Handle absent AD role groups during deployment

.gitignore

@@ -348,3 +348,6 @@ MigrationBackup/
 
 # Ionide (cross platform F# VS Code tools) working folder
 .ionide/
+
+# Ejemplos de Usuarios
+tmp/

README.md

@@ -50,6 +50,9 @@ Operational documentation:
 - [Broker location, health, timeout, and recovery](docs/broker-operations.md)
 - [Windows domain join and remote-access onboarding](docs/windows-client-onboarding.md)
 - [Required Credential Provider client enrollment](docs/client-enrollment.md)
+- [Linux client enrollment with realmd and SSSD](docs/linux-client-enrollment.md)
+- [Self-hosted RustDesk server and managed Windows remote access](docs/rustdesk-operations.md)
+- [Domain monitoring, usage reports, and six-month retention](docs/monitoring.md)
 - [Decision: do not persist password verifiers in Redis](docs/decisions/0001-no-password-cache.md)
 
 | Prefix | Role | Default OU |
@@ -105,6 +108,15 @@ Start-SguServerBootstrap.cmd 192.168.50.10
 Start-SguClientEnrollment.cmd 192.168.50.10
 ```
 
+Linux clients are enrolled through their native PAM/SSSD stack instead of the
+Windows Credential Provider:
+
+```bash
+sudo bash ./Enroll-SguLinuxDomainClient.sh \
+  --domain-controller 192.168.50.10 \
+  --enable-hyperv-enhanced-session
+```
+
 The server command creates a new forest and resumes by itself after its required
 restart. The client command registers a unique non-exportable mTLS certificate,
 installs and validates SGU before domain join, then enables the managed remote

docs/architecture.md

@@ -23,13 +23,15 @@ is forced because NTLM authentication is connection-bound.
 The authoritative logical GET is sent to `/psulsa/`, a lightweight route that
 returns the NTLM challenge without waiting for the slow application pages. A
 `401` or `403` rejects the credential; an allowed `2xx` or `3xx` proves that IIS
-accepted it. The broker then makes a separately bounded, best-effort GET to the
-administrative incident overview for `AD`, the student information page for
-`AL`, or the portal menu for `DO`. After the incident page confirms an `AD`
-employee number, two additional GETs in the same in-memory session read the
-structured name from `datos/personales.aspx` and the address from
-`datos/ubicacion.aspx`. Docentes keep the menu name as a base and attempt those
-same two shared staff modules without requiring them to exist. A supplemental
+accepted it. The broker then makes separately bounded, best-effort profile GETs.
+It uses the administrative incident overview for `AD`, the student information
+page for `AL`, and the portal menu as a conservative base for `DO`. After the
+incident page confirms an `AD` employee number, two additional GETs in the same
+in-memory session read the structured name from `datos/personales.aspx` and the
+address from `datos/ubicacion.aspx`. Docentes request
+`nomina/consultanomina.aspx` for a matching employee number, email, employee
+type and job title, then attempt the same two shared staff modules without
+requiring any optional route to exist. A supplemental
 404, changed/missing element ID, other failure, or timeout preserves fields
 already collected, and a profile timeout does not invalidate an already
 authenticated credential. NTLM may still require its normal
@@ -62,13 +64,22 @@ updates the applicable `displayName`, `givenName`, `sn`, `mail`, `title`,
 `postalCode` attributes. Administrative and student numbers must match the six
 numeric digits of the requested identity before any role-specific metadata is
 trusted. Administrative personal and location pages are accepted only after
-that incident-page match. A docente's supplemental fields remain tied to the
-fresh NTLM-authenticated portal session and are optional; the menu display name
-remains usable if neither shared page is available. Student faculty/department
+that incident-page match. Docente payroll metadata must match the requested
+six-digit number; all docente supplemental fields remain tied to the fresh
+NTLM-authenticated portal session and are optional. The menu display name
+remains usable if the payroll or shared staff pages are unavailable. Student faculty/department
 is deliberately left unset because the verified page does not expose it.
 Missing metadata does not clear existing AD values and never changes the
 password outcome.
 
+Every synchronization also enforces one idempotent security-group membership
+from the classified institutional prefix: `AL` to `SGU-Alumnos`, `AD` to
+`SGU-Administrativos`, and `DO` to `SGU-Docentes`. This happens synchronously
+inside the broker before the institutional password is written to AD. A missing
+or inaccessible role group therefore fails provisioning instead of leaving a
+new usable account without its authorization classification. Existing accounts
+are repaired automatically on their next successful SGU authentication.
+
 Human-readable SGU values are decoded with BOM/header/meta detection, strict
 UTF-8 validation, and a Windows-1252 fallback for the legacy portal. Names and
 titles are normalized with Spanish-aware casing; particles such as `de`, `del`
@@ -85,7 +96,10 @@ The generic SGU credential is rendered as a dedicated branded tile instead of
 being grouped below the anonymous **Other user** tile. Machine policy assigns
 the SGU CLSID as the default provider, hides the last signed-in identity, and
 disables local-user enumeration while retaining the built-in Microsoft password
-provider and its **Other user** recovery path. It enumerates one
+provider and its **Other user** recovery path. The computer GPO also applies
+Windows' native default account picture to named Windows accounts; client
+enrollment installs the La Salle mascot bitmap in Windows' standard account-picture
+location before that GPO takes effect. It enumerates one
 `CPFT_TILE_IMAGE` and places the `CPFT_LARGE_TEXT` heading immediately after it
 with `CPFS_DISPLAY_IN_SELECTED_TILE`. LogonUI owns field typography and vertical
 tile order: on Windows 10 and 11, the account-name title used by **Other user**
@@ -102,6 +116,28 @@ to `OU=Laboratorio`; it suppresses first-logon/privacy/diagnostic prompts,
 disables location, and enforces always-on display, sleep, and hibernation
 settings for managed clients.
 
+That computer GPO also owns the base lock-screen image and a per-logon command
+for the personalized desktop wallpaper. The client-side renderer reads the
+authenticated user's `displayName` plus the computer object's `location` and
+immediate parent OU, then composes those values over the bundled dark-blue
+background with the bundled Indivisa fonts. Missing directory attributes degrade
+to deterministic text and never block the interactive session.
+
+The domain controller is also the source-initiated Windows Event Collector for
+managed laboratory computers. Kerberos-authenticated WEF sends only selected
+logon/logoff, failed-logon, reconnect/disconnect, and operating-system power
+events to `ForwardedEvents`. Daily EVTX archives are retained for 183 days, and
+a five-minute server-side inventory records WinRM reachability and AD last-logon
+metadata. Session-duration reports correlate Windows logon IDs; no password or
+SGU HTTP payload is included in this monitoring path.
+
+Broker diagnostics use the dedicated `SGU Auth Broker` Windows log with stable
+event IDs for authorization outcomes, SGU network/timeout failures, unexpected
+profile HTML, partial enrichment, and AD synchronization warnings. The same
+daily maintenance task archives that log for 183 days. Messages identify the
+institutional user and role but never include passwords, password verifiers, or
+raw SGU HTML.
+
 Per-user synchronization is serialized inside the broker to prevent concurrent
 create/reset races. Production deployments should run the broker as a gMSA with
 delegated create-user, move-user, write-property, enable-account, and reset-password

docs/bootstrap-recovery.md

@@ -1,6 +1,6 @@
 # Recuperación desde cero y alta en una sola ejecución
 
-Los releases entregan dos ZIP independientes. Cada uno contiene sus binarios,
+Los releases entregan tres ZIP independientes. Cada uno contiene sus binarios,
 scripts, instalador offline requerido y un manifiesto SHA-256 interno. No contienen
 contraseñas, claves privadas ni certificados reutilizables.
 
@@ -55,6 +55,8 @@ El proceso crea o configura de forma idempotente:
 - RDP con NLA, WinRM/PowerShell Remoting y reglas administrativas limitadas a
   la subred privada indicada, incluso si Windows tarda en reconocer el perfil
   Domain después de la promoción;
+- servidor RustDesk OSS autoalojado (`hbbs` y `hbbr`) y su cliente administrado
+  en el propio DC, con puertos de administración limitados a la subred privada;
 - pantalla, suspensión e hibernación en Nunca.
 
 En un servidor con dos NIC, el bootstrap desactiva el registro DNS de la NIC de
@@ -66,9 +68,10 @@ continúa por la NIC que tenga el gateway predeterminado.
 El broker arranca con una lista de clientes vacía. Eso no abre el servicio: mTLS
 rechaza todos los certificados hasta que el primer cliente registra el suyo.
 Los archivos opcionales colocados en `payload\server-content\Packages` al crear
-el release se copian al recurso compartido. Si allí existe `wallpaper.jpg`,
-`wallpaper.jpeg`, `wallpaper.png` o `wallpaper.bmp`, la GPO de usuarios lo aplica
-automáticamente como fondo con ajuste Fill.
+el release se copian al recurso compartido. El paquete siempre incluye
+`welcome-wallpaper`: fondo azul, fuentes Indivisa y generador de respaldo para
+reparación o actualización de clientes. La GPO de equipos inicia la copia local
+del generador en cada sesión; ya no se impone un único fondo estático por usuario.
 
 Estado y diagnóstico:
 
@@ -110,6 +113,9 @@ equipos. La contraseña existe sólo en memoria. El bootstrap:
 8. sólo entonces ejecuta `Add-Computer` dentro de `OU=Laboratorio` y reinicia;
 9. al arrancar, activa RDP/NLA, WinRM y las reglas Domain, y vuelve a validar el
    enrolamiento.
+10. instala RustDesk desde el MSI oficial comprobado, lo apunta al servidor
+    `rustdesk.lci.lasalle.mx` y registra el ID del dispositivo en el inventario
+    protegido del DC.
 
 Para elegir adaptador o nombre del equipo explícitamente:
 
@@ -125,12 +131,42 @@ La IP del argumento es siempre la IP fija **actual del servidor**, no una IP que
 queda compilada en el Credential Provider. El proveedor usa después el nombre
 DNS `sgu-auth.lci.lasalle.mx`, que el bootstrap del servidor actualiza.
 
+La administración gráfica autoalojada se documenta en
+[rustdesk-operations.md](rustdesk-operations.md). Durante la primera instalación
+el servidor y los clientes necesitan salida HTTPS para obtener los instaladores
+RustDesk verificados; el tráfico de soporte posterior permanece dentro de la
+subred privada del laboratorio.
+
 Un administrador del dominio todavía puede ignorar deliberadamente este flujo y
 ejecutar `Add-Computer` a mano; ninguna GPO puede impedir a un administrador del
 bosque modificar el dominio. Para la operación soportada, el script aplica una
 transacción proveedor-primero y se niega a unir un equipo que no haya pasado las
 validaciones.
 
+## Cliente Linux nuevo
+
+El ZIP `sgu-linux-client-bootstrap-VERSION.zip` usa el mecanismo nativo de
+Linux: `realmd`, Kerberos, SSSD, NSS y PAM. No distribuye ni instala el
+Credential Provider de Windows.
+
+En una VM con Internet por `Default Switch` y una NIC privada conectada a
+`Laboratorio AD`, ejecutar como administrador:
+
+```bash
+sudo bash ./Enroll-SguLinuxDomainClient.sh \
+  --domain-controller 192.168.50.10 \
+  --domain-interface eth0 \
+  --domain-address 192.168.50.12/24 \
+  --enable-ssh
+```
+
+La contraseña de la cuenta autorizada para la unión se solicita de forma
+interactiva por `realmd`; no se incluye en la línea de comandos. El script
+configura DNS de AD en la NIC privada, preserva la ruta de Internet, crea la
+cuenta de equipo en `OU=Laboratorio`, habilita creación de directorio personal
+mediante PAM y valida la cuenta de equipo con `adcli testjoin`. La documentación
+de operación completa está en [linux-client-enrollment.md](linux-client-enrollment.md).
+
 ## Crear y publicar un release
 
 Desde el repositorio y con el SDK fijado en `global.json`:
@@ -150,4 +186,4 @@ la línea de comandos. Para empaquetar recursos institucionales adicionales:
   -ServerContentPath C:\Preparacion\Packages
 ```
 
-`SHA256SUMS-VERSION.txt` permite comprobar ambos ZIP antes de usarlos.
+`SHA256SUMS-VERSION.txt` permite comprobar los tres ZIP antes de usarlos.

docs/broker-operations.md

@@ -51,8 +51,9 @@ Eso es comportamiento esperado, no una caída del servicio.
   `/psulsa/`. El enriquecimiento usa el límite total independiente
   `ProfileTimeoutSeconds` —**90 segundos** en la configuración del laboratorio—
   y conserva los campos que alcance a obtener si una página de personal se
-  retrasa, no existe o cambia sus IDs. Esto incluye los módulos opcionales de
-  nombre y ubicación para docentes. El Credential Provider mantiene su propio límite de **90
+  retrasa, no existe o cambia sus IDs. Para docentes esto incluye consulta de
+  nómina —clave, nombre, correo, tipo y puesto— más los módulos opcionales de
+  nombre y ubicación. El Credential Provider mantiene su propio límite de **90
   segundos**: si SGU excede ese presupuesto, Windows continúa por el fallback
   normal de AD o credenciales de dominio en caché.
 - El instalador configura recuperación del servicio con reinicios a los 5, 15

docs/client-enrollment.md

@@ -112,6 +112,11 @@ pantalla, suspensión, hibernación y suspensión híbrida, conectado a corrient
 batería. El guard de enrolamiento vuelve a aplicar `powercfg /hibernate off` y
 los tiempos en cero al inicio y diariamente.
 
+Esa GPO también ejecuta el generador local del fondo de bienvenida y aplica el
+fondo azul base a la pantalla de bloqueo. El fondo individual se crea al abrir la
+sesión con el nombre del usuario y `location`/OU del equipo; véase
+[welcome-wallpaper.md](welcome-wallpaper.md).
+
 `HideEULAPage` no forma parte de esta GPO: es una opción de archivo Unattend para
 la fase OOBE y Microsoft la reserva para pruebas de OEM/System Builder. La GPO
 usa las alternativas soportadas `DisablePrivacyExperience=1` y

docs/lab-runbook.md

@@ -98,6 +98,7 @@ Get-Service SGUAuthBroker
 Get-NetTCPConnection -LocalPort 8443 -State Listen
 sc.exe qfailure SGUAuthBroker
 Get-ADOrganizationalUnit -Filter * -SearchBase 'OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx'
+Get-ADGroup -Filter 'SamAccountName -like "SGU-*"' -SearchBase 'OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx'
 ```
 
 ## 4. Broker preflight from Windows 10

docs/linux-client-enrollment.md

@@ -0,0 +1,122 @@
+# Enrolamiento de clientes Linux
+
+El enrolador Linux incorpora una estación Debian/Ubuntu o RHEL/Fedora/Rocky/AlmaLinux a `lci.lasalle.mx` mediante `realmd`, `adcli`, Kerberos y SSSD. No instala el Credential Provider de Windows: Linux conserva su propio inicio de sesión PAM/SSSD. También instala RustDesk, lo dirige al servidor RustDesk autoalojado y registra el ID y la contraseña de acceso desatendido en el inventario protegido del controlador de dominio.
+
+La contraseña de la cuenta autorizada para unir equipos se solicita directamente por `realmd`. Nunca se acepta como argumento, ni se escribe en archivos, registros o la línea de comandos.
+
+## Requisitos de red
+
+El equipo debe alcanzar por una interfaz privada al controlador de dominio, DNS y Kerberos. En el laboratorio:
+
+| Servicio | Destino |
+| --- | --- |
+| Controlador y DNS | `192.168.50.10` |
+| Dominio | `lci.lasalle.mx` |
+| OU de equipos | `OU=Laboratorio,DC=lci,DC=lasalle,DC=mx` |
+
+Para una VM Hyper-V con dos NIC, mantén el Internet en `Default Switch` y conecta una segunda NIC a `Laboratorio AD`. El enrolador puede configurar la segunda NIC sin modificar la ruta predeterminada:
+
+```bash
+sudo bash ./Enroll-SguLinuxDomainClient.sh \
+  --domain-controller 192.168.50.10 \
+  --domain-interface eth0 \
+  --domain-address 192.168.50.12/24 \
+  --enable-ssh \
+  --enable-hyperv-enhanced-session
+```
+
+`--domain-interface` y `--domain-address` son opcionales como pareja. Si ya se aprovisionó la red privada mediante cloud-init, DHCP o gestión de configuración, omítelos y conserva únicamente `--domain-controller`.
+
+El script se niega a reconfigurar una interfaz que posea la ruta predeterminada; así no deja a la máquina sin salida a Internet al agregar AD.
+
+En Ubuntu con GNOME, cierra la sesión gráfica de **Sesión básica** antes de
+entrar con el mismo usuario mediante **Sesión mejorada**. GNOME no admite dos
+escritorios simultáneos del mismo usuario; intentar conservar ambos produce una
+pantalla negra aunque XRDP haya autenticado correctamente. El inicio automático
+de sesión de GDM también debe permanecer deshabilitado.
+
+## Qué instala y configura
+
+1. Instala `realmd`, `adcli`, SSSD, Kerberos y los módulos NSS/PAM adecuados para la familia de distribución.
+2. Comprueba el registro DNS SRV de Active Directory y sincronización de hora ya existente.
+3. Establece el nombre de host `NOMBRE.lci.lasalle.mx` antes de crear la cuenta de equipo.
+4. Une el equipo con `adcli` en `OU=Laboratorio`.
+5. Activa SSSD, creación de directorio personal mediante PAM y valida la contraseña de la cuenta de equipo con `adcli testjoin`. En distribuciones que habilitan los respondedores NSS/PAM de SSSD tanto en `sssd.conf` como mediante sockets de systemd, desactiva los sockets duplicados para evitar una colisión al arrancar.
+6. Cuando se proporcionó la NIC privada, activa actualizaciones DNS dinámicas de SSSD en esa interfaz.
+7. Con `--enable-ssh`, instala y habilita OpenSSH y abre únicamente el servicio SSH cuando el firewall local ya está activo.
+8. Registra `lightdm` y `cinnamon-screensaver` como inicios interactivos ante las políticas GPO de SSSD. En equipos con LightDM oculta la lista de cuentas y conserva únicamente el ingreso manual: usuario y contraseña, necesario para el primer acceso de un usuario del dominio.
+9. Con `--enable-hyperv-enhanced-session`, configura XRDP sobre Hyper-V sockets para que VMConnect pueda usar **Sesión mejorada**, repara certificados incompletos, registra `xrdp-sesman` en el mismo mapa interactivo y valida ambos servicios XRDP.
+10. Instala el fondo azul, las fuentes Indivisa y un autoinicio compatible con Cinnamon, GNOME y XFCE. En cada sesión gráfica genera el saludo con el nombre del usuario y la ubicación/OU del equipo obtenidas de AD.
+11. Instala RustDesk 1.4.9 desde el paquete oficial comprobado, configura exclusivamente el servidor institucional y crea una contraseña aleatoria de acceso desatendido. También fuerza el greeter de GDM o SDDM a usar X11, porque RustDesk no admite controlar la pantalla de acceso bajo Wayland; LightDM ya usa X11. La contraseña no se muestra en Linux: viaja cifrada con la clave pública del controlador y éste la conserva mediante su inventario protegido. Si el enrolador cambia el backend gráfico, reinicia el equipo al finalizar para activarlo.
+
+El objeto de equipo aparece como `NOMBRE` en `OU=Laboratorio`. SSSD registra su registro A cuando la actualización DNS dinámica está activada.
+
+## Inicio de sesión de dominio
+
+Después de la unión se acepta directamente la clave institucional corta:
+
+```text
+al201428
+```
+
+El formato UPN explícito también permanece disponible:
+
+```text
+usuario@lci.lasalle.mx
+```
+
+En Linux Mint aparece únicamente el ingreso manual. Escribe la clave corta y
+su contraseña; no se muestra una lista ni mosaicos de cuentas locales o del
+dominio.
+
+La primera sesión crea `/home/usuario@lci.lasalle.mx`. El valor predeterminado de SSSD conserva credenciales para desconexiones breves de la red; las contraseñas no son administradas ni almacenadas por el Auth Broker.
+
+Para limitar quién puede iniciar sesión, incluye un grupo de AD:
+
+```bash
+sudo bash ./Enroll-SguLinuxDomainClient.sh \
+  --domain-controller 192.168.50.10 \
+  --allow-group 'SG-Laboratorio-Linux-Users'
+```
+
+Ese modo ejecuta `realm deny --all` seguido de `realm permit --groups`; crea y administra el grupo antes de usarlo.
+
+## Verificación y salida controlada
+
+```bash
+realm list
+sudo adcli testjoin --domain=lci.lasalle.mx
+getent passwd 'usuario@lci.lasalle.mx'
+sudo sssctl domain-status lci.lasalle.mx
+sudo sssctl user-checks usuario -a acct -s lightdm
+sudo sssctl user-checks usuario -a acct -s cinnamon-screensaver
+systemctl is-active rustdesk
+sudo cat /var/lib/sgu/rustdesk/device.json
+```
+
+En el controlador de dominio, el mismo inventario protegido usado por Windows
+muestra el ID de un cliente Linux y, únicamente bajo solicitud explícita de un
+administrador, su contraseña de RustDesk:
+
+```powershell
+& C:\ProgramData\SGU\RustDesk\Get-SguRustDeskDevice.ps1
+& C:\ProgramData\SGU\RustDesk\Get-SguRustDeskDevice.ps1 `
+  -ComputerName ALEX-LMINT -RevealPassword
+```
+
+Usa `--disable-rustdesk` sólo cuando una estación deba quedar expresamente sin
+soporte remoto. `--rustdesk-registration-share` permite especificar el UNC del
+controlador cuando una topología de DNS no puede resolver automáticamente el
+controlador de dominio.
+
+Para sacar un equipo del dominio de forma explícita:
+
+```bash
+sudo realm leave lci.lasalle.mx
+```
+
+Esta última acción elimina la relación de confianza local; debe ejecutarse sólo durante baja o reconstrucción del equipo.
+
+La personalización gráfica es deliberadamente opcional: si ImageMagick, LDAP o
+la API del escritorio fallan, no revierte la unión ni impide iniciar sesión. Consulta
+los detalles y las reglas de degradación en [welcome-wallpaper.md](welcome-wallpaper.md).

docs/monitoring.md

@@ -0,0 +1,119 @@
+# Monitoreo y registros de uso
+
+El dominio usa **Windows Event Forwarding (WEF)** y el servicio nativo
+**Windows Event Collector (Wecsvc)**. No instala un agente de telemetría y no
+registra contraseñas, contenido de escritorio ni páginas visitadas.
+
+## Datos recopilados
+
+La suscripción `SGU-Lab-Monitoring` recibe desde los equipos de
+`OU=Laboratorio`:
+
+- inicios de sesión correctos y fallidos (`4624` y `4625`);
+- cierre de sesión, desconexión y reconexión (`4634`, `4647`, `4778`, `4779`);
+- arranque, apagado, reinicio y apagado inesperado (`12`, `13`, `41`, `1074`,
+  `6005`, `6006`, `6008`).
+
+Con el identificador de sesión de Windows se obtiene quién usó qué equipo,
+hora de entrada, hora de salida y duración. Los eventos fallidos conservan el
+estado de Windows, pero nunca la contraseña introducida.
+
+El broker escribe un registro separado de Windows llamado `SGU Auth Broker`.
+Cada solicitud válida queda correlacionada mediante usuario institucional,
+rol, `TraceId`, resultado y tiempo total. Los Event ID estables distinguen:
+
+- `1000` autorización completada; `1001` credenciales rechazadas; `1002`
+  servicio no disponible; `1003` solicitud inválida;
+- `1100` SGU aceptó la autenticación; `1101` timeout; `1102` fallo de red/DNS;
+- `1200` enriquecimiento completado y cantidad de campos; `1201` HTML sin los
+  IDs admitidos; `1202` timeout; `1203` excepción; `1204` página opcional no
+  disponible;
+- `1300` fallo de sincronización AD; `1301` metadatos opcionales no aplicados;
+  `1302` membresía RDP opcional no aplicada; `1303` cuenta agregada a su grupo
+  institucional de Alumnos, Administrativos o Docentes.
+
+No se almacena HTML, contraseña, hash de contraseña ni contenido de la
+respuesta SGU.
+
+## Retención
+
+`ForwardedEvents` tiene un límite de 512 MB. La tarea
+`SGU-Monitoring-Retention` lo archiva diariamente en:
+
+```text
+C:\ProgramData\SGU\Monitoring\Archive
+```
+
+El mismo ciclo archiva `SGU Auth Broker` en `Archive\Broker`. Solo elimina
+archivos `.evtx` cuya antigüedad supera **183 días**. La tarea
+`SGU-Monitoring-Inventory` actualiza cada cinco minutos el inventario en:
+
+```text
+C:\ProgramData\SGU\Monitoring\Reports\machine-status.json
+C:\ProgramData\SGU\Monitoring\Reports\machine-status.csv
+```
+
+`Encendida` significa que WinRM respondió en TCP 5985. `Apagada o inaccesible`
+también puede significar que el equipo está arrancando, perdió la red o tiene
+el puerto bloqueado; Active Directory por sí solo no conoce el estado eléctrico
+instantáneo de un PC.
+
+## Consultas
+
+En el servidor, como administrador:
+
+```powershell
+# Estado actual de las máquinas
+Get-Content 'C:\ProgramData\SGU\Monitoring\Reports\machine-status.json' -Raw |
+    ConvertFrom-Json | Format-Table ComputerName,Status,IPv4Address,LastDomainLogon
+
+# Uso de los últimos seis meses
+& 'C:\ProgramData\SGU\Monitoring\Get-SguUsageReport.ps1' |
+    Format-Table User,Computer,StartedAt,EndedAt,DurationMinutes,Result
+
+# Un usuario o una máquina
+& 'C:\ProgramData\SGU\Monitoring\Get-SguUsageReport.ps1' -UserName AL201428
+& 'C:\ProgramData\SGU\Monitoring\Get-SguUsageReport.ps1' -ComputerName LCI-W11-01
+
+# Diagnóstico del broker; admite -UserName, -Level, -EventId y -Text
+& 'C:\ProgramData\SGU\Monitoring\Get-SguBrokerLog.ps1' -UserName AL201428 |
+    Format-Table TimeCreated,Level,EventId,EventName,Message -Wrap
+& 'C:\ProgramData\SGU\Monitoring\Get-SguBrokerLog.ps1' -Level Warning
+
+# Exportación
+& 'C:\ProgramData\SGU\Monitoring\Get-SguUsageReport.ps1' `
+    -OutputCsv 'C:\ProgramData\SGU\Monitoring\Reports\usage.csv'
+```
+
+Para revisar la salud del colector:
+
+```powershell
+Get-Service Wecsvc
+wecutil enum-subscription
+wecutil get-subscriptionruntimestatus SGU-Lab-Monitoring
+Get-WinEvent -LogName ForwardedEvents -MaxEvents 20
+Get-WinEvent -LogName 'SGU Auth Broker' -MaxEvents 20
+Get-ScheduledTask -TaskName 'SGU-Monitoring-*'
+```
+
+> **Windows Server 2025:** no consultes `ForwardedEvents` mediante
+> `-FilterHashtable` ni XPath. Algunas compilaciones tienen una regresión que
+> termina el servicio Windows Event Log (`wevtsvc.dll`, `0xc0000420`). El
+> reporte incluido lee el canal sin consulta estructurada y aplica los filtros
+> en memoria.
+
+El bootstrap del servidor crea el colector, la suscripción y las tareas. El GPO
+`SGU - Windows client experience` publica el Subscription Manager por FQDN. El
+bootstrap y la reparación diaria del cliente habilitan las subcategorías de
+auditoría y el acceso de `NETWORK SERVICE` al registro Security.
+
+La suscripción usa `ContentFormat=Events`: conserva el XML original que emplea
+el reporte y evita que cada cliente tenga que renderizar texto localizado antes
+de enviarlo.
+
+Referencias de Microsoft:
+
+- <https://learn.microsoft.com/en-us/windows/win32/wec/setting-up-a-source-initiated-subscription>
+- <https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/wecutil>
+- <https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4624>
+- <https://learn.microsoft.com/en-us/windows/security/threat-protection/auditing/event-4634>

docs/rustdesk-operations.md

@@ -0,0 +1,97 @@
+# RustDesk autoalojado y acceso remoto administrado
+
+El bootstrap del controlador de dominio instala un servidor RustDesk OSS
+autoalojado y el bootstrap de cada cliente Windows inscrito instala el agente
+RustDesk administrado. Esto permite administrar el propio controlador y cada
+cliente del laboratorio sin depender de los servidores públicos de RustDesk.
+
+## Componentes y red
+
+El controlador inicia ambos componentes bajo `SYSTEM` mediante las tareas
+programadas `SGU-RustDesk-hbbs` y `SGU-RustDesk-hbbr`:
+
+| Componente | Función | Puerto entrante |
+| --- | --- | --- |
+| `hbbs` | ID/rendezvous y prueba NAT | TCP 21115-21116 y UDP 21116 |
+| `hbbr` | Relay para sesiones que no pueden ser directas | TCP 21117 |
+
+Las reglas se llaman **SGU RustDesk** y sólo aceptan la subred privada que se
+indicó al bootstrap del servidor. No se habilitan el servidor web ni los puertos
+21118/21119. Los clientes y el servidor necesitan salida HTTPS a GitHub sólo
+durante una primera instalación o actualización, para descargar el binario
+verificado por SHA-256.
+
+El nombre interno usado por los clientes es `rustdesk.lci.lasalle.mx`; el
+bootstrap del DC mantiene su registro A en DNS apuntando a la IP fija del
+controlador.
+
+## Alta automática de un equipo Windows
+
+Al finalizar `Invoke-SguClientBootstrap.ps1`, antes de considerar válido el
+enrolamiento, el flujo:
+
+1. lee la clave pública del servidor a través de la sesión autenticada con el
+   DC;
+2. instala RustDesk desde el MSI oficial, comprobando el SHA-256 fijado;
+3. instala y arranca el servicio `RustDesk` como automático;
+4. configura ID, relay y clave pública del servidor privado en el contexto del
+   servicio y para perfiles nuevos;
+5. crea una contraseña única de acceso desatendido, cifrada con DPAPI local y
+   protegida por ACL para `SYSTEM` y administradores locales;
+6. registra únicamente el ID y la contraseña cifrada en el inventario del DC.
+
+La contraseña no se imprime, no se pone en el manifiesto y no se añade a los
+logs. El inventario del servidor usa DPAPI de la máquina y está limitado por ACL
+a `SYSTEM` y administradores del servidor.
+
+El mismo flujo se aplica al DC, por lo que también se puede administrar de forma
+remota. Reejecutar el bootstrap mantiene el ID y la contraseña existentes, y
+vuelve a validar configuración, tareas, servicio y conectividad sin crear otro
+registro.
+
+## Verificación y operación
+
+En el DC, como administrador:
+
+```powershell
+Get-ScheduledTask SGU-RustDesk-hbbs,SGU-RustDesk-hbbr |
+  Select-Object TaskName,State
+Get-NetTCPConnection -State Listen -LocalPort 21116,21117
+Get-Content C:\ProgramData\SGU\RustDesk\server.json
+& C:\ProgramData\SGU\RustDesk\Get-SguRustDeskDevice.ps1
+```
+
+El último comando muestra los nombres, IDs y fecha de alta, sin contraseñas. Si
+un administrador necesita recuperar una contraseña para conectarse desde el
+cliente controlador de RustDesk, puede hacerlo explícitamente en la consola del
+DC:
+
+```powershell
+& C:\ProgramData\SGU\RustDesk\Get-SguRustDeskDevice.ps1 `
+  -ComputerName LCI-01 -RevealPassword
+```
+
+Trata esa salida como una credencial administrativa: no la pegues en tickets,
+capturas ni registros. En RustDesk, conecta usando el ID inventariado y el modo
+de autenticación por contraseña permanente.
+
+En un cliente, los indicadores locales son:
+
+```powershell
+Get-Service RustDesk
+Get-Content C:\ProgramData\SGU\RustDesk\Client\device.json
+Test-NetConnection rustdesk.lci.lasalle.mx -Port 21116
+```
+
+Si un agente deja de funcionar, se puede repetir el bootstrap del cliente. El
+guardián de enrolamiento también repara la configuración de RustDesk al inicio
+cuando la información del servidor sigue presente en su estado de enrolamiento.
+
+## Límites operativos
+
+Este alcance automatiza el cliente Windows entregado por
+`Invoke-SguClientBootstrap.ps1`. El bootstrap Linux conserva su inicio PAM/SSSD
+independiente y usa un flujo propio de inventario: autentica con la cuenta de
+equipo Kerberos, cifra la contraseña de RustDesk para el controlador y recibe
+su confirmación desde la cola protegida. No reutiliza ni expone contraseñas de
+Windows.

docs/security.md

@@ -43,16 +43,20 @@
   city/municipality, state, and postal code from known element IDs.
 - Student CURP, birth date, sex, blood type, marital status, telephone, mobile,
   guardian, medical, financial, and academic-history values are ignored.
-- Professor enrichment keeps the menu display name as its base and optionally
-  reads only the same name and postal-address element IDs used by staff pages.
-  A missing professor route or element never makes authentication fail.
-- Incident details, calendars, photographs, manager names, and manager positions
-  are deliberately ignored.
+- Professor enrichment keeps the menu display name as its base. From the payroll
+  consultation header it reads only a matching employee number, name, email,
+  employee type/status, job title, and the optional department field. It then
+  optionally reads the same structured-name and postal-address element IDs used
+  by staff pages. A missing professor route or element never makes authentication
+  fail.
+- Payroll/receipt contents, incident details, calendars, photographs, manager
+  names, and manager positions are deliberately ignored.
 - The employee or student number must match the authenticated `AD` or `AL` key
   before role-specific metadata is synchronized. The two supplemental
   administrative pages are never requested unless the incident page supplied
-  the matching employee number. Professor supplemental data comes from the
-  same fresh, request-scoped NTLM session as its menu fallback.
+  the matching employee number. Professor payroll metadata independently
+  requires the matching six-digit number, and every supplemental request uses
+  the same fresh, request-scoped NTLM session as its menu fallback.
 - If SGU changes its HTML, authentication and exact-password synchronization
   continue without enrichment; existing AD metadata is not erased.
 - Slow profile pages cannot change an accepted credential into a rejection. The

docs/welcome-wallpaper.md

@@ -0,0 +1,62 @@
+# Fondo de bienvenida personalizado
+
+El enrolamiento instala un fondo base azul, las familias `Indivisa Text Sans` y
+`Indivisa Text Serif`, y un generador local. La GPO de equipos
+`SGU - Windows client experience` ejecuta el generador al abrir cada sesión y
+mantiene el fondo base en la pantalla de bloqueo.
+
+Windows no conoce todavía la identidad que se autenticará mientras muestra la
+pantalla previa al inicio de sesión. Por ello, esa pantalla utiliza el fondo base
+sin datos personales y la composición individual se genera inmediatamente
+después de autenticar, antes de que el usuario empiece a trabajar en el escritorio.
+
+## Datos y degradación controlada
+
+El generador consulta Active Directory con la identidad ya autenticada y sin
+guardar credenciales. Obtiene:
+
+- `displayName` del usuario; si falta, utiliza `sAMAccountName`.
+- `location` del objeto de equipo.
+- La OU padre inmediata a partir de `distinguishedName`.
+
+El texto secundario sigue estas reglas:
+
+1. Con `location` y OU: `Estás ubicado en la Sala de Inmersión del Centro de Experiencia Digital.`
+2. Con sólo uno de los datos: muestra únicamente el dato disponible.
+3. Sin ambos: `Bienvenido al Laboratorio de Cómputo de Ingeniería.`
+
+La ausencia de AD, de un atributo o de una tipografía nunca bloquea la sesión.
+Los errores de generación se registran en
+`%LOCALAPPDATA%\SGU\Logs\welcome-wallpaper.log`.
+
+## Windows
+
+El paquete de cliente copia los recursos a `C:\ProgramData\SGU\Branding`. La
+GPO crea el valor de equipo `SGUWelcomeWallpaper` bajo
+`HKLM\Software\Microsoft\Windows\CurrentVersion\Run`; por tanto, se ejecuta en
+el contexto de cada usuario y puede leer sus datos de AD. El resultado se guarda
+en `%LOCALAPPDATA%\SGU\Wallpapers` y se aplica con la API nativa de Windows.
+
+La antigua directiva estática de escritorio se elimina para que no sobrescriba
+el archivo individual. La personalización sigue estando gobernada por dominio:
+el comando de inicio y la pantalla de bloqueo pertenecen a la GPO de equipos.
+
+## Linux
+
+El paquete Linux instala el generador en
+`/usr/local/lib/sgu-welcome-wallpaper` y registra
+`/etc/xdg/autostart/sgu-welcome-wallpaper.desktop`. Utiliza el ticket Kerberos
+creado por SSSD para consultar el objeto de equipo mediante LDAP; nunca contiene
+una contraseña de enlace.
+
+Se admiten Cinnamon, GNOME y XFCE. La composición requiere ImageMagick; si la
+dependencia o la API del escritorio no está disponible, el enrolamiento y el
+inicio de sesión continúan normalmente y se escribe un diagnóstico en
+`~/.local/state/sgu/welcome-wallpaper.log`.
+
+## Tipografía
+
+Los archivos OTF necesarios viajan dentro de cada paquete y se cargan en memoria
+para renderizar el fondo; no se sustituyen fuentes del sistema. Se usa Sans en el
+saludo y la ubicación, y Serif Bold Italic en el nombre. Si los archivos no
+pueden cargarse, Windows usa Segoe UI/Georgia y Linux usa DejaVu Sans/Serif.

docs/windows-client-onboarding.md

@@ -129,6 +129,12 @@ configuración siempre activa y evita las experiencias iniciales de privacidad,
 telemetría, ubicación y **Hi / Preparing Windows** antes de que un usuario SGU
 entre por primera vez.
 
+La misma GPO configura el fondo azul de bloqueo y ejecuta el generador local al
+abrir cada sesión. El generador usa el `displayName` del usuario, la propiedad
+`location` del equipo y su OU padre inmediata para crear el fondo individual.
+Consulta [welcome-wallpaper.md](welcome-wallpaper.md) para conocer los fallbacks
+y la ubicación de los diagnósticos.
+
 Microsoft documenta este derecho en:
 <https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-userrights#allowlogonthroughremotedesktop>
 y PowerShell Remoting en:

scripts/Deploy-AuthBroker.ps1

@@ -22,6 +22,8 @@ param(
     [ValidatePattern('^/')]
     [string]$StudentProfilePath = '/psulsa/alumnos/consultainformacionalumnos/consultainformacion.aspx',
     [ValidatePattern('^/')]
+    [string]$ProfessorPayrollProfilePath = '/psulsa/gadmon/nomina/consultanomina.aspx',
+    [ValidatePattern('^/')]
     [string]$MenuProfilePath = '/psulsa/menu.aspx',
     [ValidateRange(32768, 2097152)]
     [int]$MaxProfileBytes = 524288,
@@ -29,6 +31,9 @@ param(
     [string]$BaseDn = 'DC=lci,DC=lasalle,DC=mx',
     [string]$DomainNetbios = 'LCI',
     [string]$UpnSuffix = 'lci.lasalle.mx',
+    [string]$ProfessorGroupDn = '',
+    [string]$StudentGroupDn = '',
+    [string]$AdministrativeGroupDn = '',
     [string]$RemoteDesktopGroupDn = '',
     [ValidateLength(1, 64)]
     [string]$DefaultCompany = 'La Salle',
@@ -46,6 +51,8 @@ param(
 $ErrorActionPreference = 'Stop'
 $serviceName = 'SGUAuthBroker'
 $installPath = Join-Path $env:ProgramFiles 'SGU\AuthBroker'
+$brokerEventLogName = 'SGU Auth Broker'
+$brokerEventSource = 'SGU.AuthBroker.Operational'
 $normalizedClientThumbprints = @($AllowedClientThumbprints | ForEach-Object { $_ -replace ' ', '' })
 if ($normalizedClientThumbprints.Where({ $_.Length -ne 40 }).Count -gt 0) {
     throw 'Client certificate thumbprints must contain exactly 40 hexadecimal characters.'
@@ -68,10 +75,20 @@ if (-not $serverCertificate.Verify()) {
     throw 'The HTTPS server certificate chain is not trusted or is outside its validity period. Import the issuing CA chain; for a self-signed lab certificate, trust its public .cer in LocalMachine\Root.'
 }
 
+Import-Module ActiveDirectory -ErrorAction Stop
+$usersOuName = 'Usuarios-SGU'
+$usersOuDn = "OU=$usersOuName,$BaseDn"
+if ([string]::IsNullOrWhiteSpace($ProfessorGroupDn)) {
+    $ProfessorGroupDn = "CN=SGU-Docentes,$usersOuDn"
+}
+if ([string]::IsNullOrWhiteSpace($StudentGroupDn)) {
+    $StudentGroupDn = "CN=SGU-Alumnos,$usersOuDn"
+}
+if ([string]::IsNullOrWhiteSpace($AdministrativeGroupDn)) {
+    $AdministrativeGroupDn = "CN=SGU-Administrativos,$usersOuDn"
+}
+
 if ($CreateMissingOus) {
-    Import-Module ActiveDirectory -ErrorAction Stop
-    $usersOuName = 'Usuarios-SGU'
-    $usersOuDn = "OU=$usersOuName,$BaseDn"
     if (-not (Get-ADOrganizationalUnit -LDAPFilter "(ou=$usersOuName)" -SearchBase $BaseDn -SearchScope OneLevel -Server $LdapHost -ErrorAction SilentlyContinue)) {
         New-ADOrganizationalUnit -Name $usersOuName -Path $BaseDn -ProtectedFromAccidentalDeletion $true -Server $LdapHost | Out-Null
     }
@@ -113,8 +130,46 @@ if ($CreateMissingOus) {
     }
 }
 
+$roleGroupDefinitions = @(
+    [pscustomobject]@{ Role = 'Professor'; Dn = $ProfessorGroupDn; Description = 'SGU accounts with the DO institutional prefix.' }
+    [pscustomobject]@{ Role = 'Student'; Dn = $StudentGroupDn; Description = 'SGU accounts with the AL institutional prefix.' }
+    [pscustomobject]@{ Role = 'Administrative'; Dn = $AdministrativeGroupDn; Description = 'SGU accounts with the AD institutional prefix.' }
+)
+foreach ($definition in $roleGroupDefinitions) {
+    if (-not $definition.Dn.EndsWith(",$BaseDn", [StringComparison]::OrdinalIgnoreCase)) {
+        throw "$($definition.Role)GroupDn must identify a security group beneath BaseDn."
+    }
+
+    try {
+        $roleGroup = Get-ADGroup -Identity $definition.Dn -Server $LdapHost -ErrorAction Stop
+    }
+    catch [Microsoft.ActiveDirectory.Management.ADIdentityNotFoundException] {
+        $roleGroup = $null
+    }
+    if (-not $roleGroup -and $CreateMissingOus) {
+        $groupDnMatch = [regex]::Match($definition.Dn, '^CN=(?<Name>[^,]+),(?<Path>.+)$', [Text.RegularExpressions.RegexOptions]::IgnoreCase)
+        if (-not $groupDnMatch.Success) {
+            throw "$($definition.Role)GroupDn must start with a simple CN component."
+        }
+        $groupName = $groupDnMatch.Groups['Name'].Value
+        if ($groupName.Length -gt 20) {
+            throw "$($definition.Role) group name exceeds the 20-character sAMAccountName limit."
+        }
+        New-ADGroup -Name $groupName -SamAccountName $groupName `
+            -GroupCategory Security -GroupScope Global `
+            -Path $groupDnMatch.Groups['Path'].Value `
+            -Description $definition.Description -Server $LdapHost | Out-Null
+        $roleGroup = Get-ADGroup -Identity $definition.Dn -Server $LdapHost -ErrorAction Stop
+    }
+    if (-not $roleGroup) {
+        throw "The required $($definition.Role) security group does not exist: $($definition.Dn)"
+    }
+    if ($roleGroup.GroupCategory -ne 'Security') {
+        throw "$($definition.Role)GroupDn must identify a security group."
+    }
+}
+
 if ($RemoteDesktopGroupDn) {
-    Import-Module ActiveDirectory -ErrorAction Stop
     $remoteDesktopGroup = Get-ADGroup -Identity $RemoteDesktopGroupDn -Server $LdapHost -ErrorAction Stop
     if ($remoteDesktopGroup.GroupCategory -ne 'Security' -or
         -not $remoteDesktopGroup.DistinguishedName.EndsWith(",$BaseDn", [StringComparison]::OrdinalIgnoreCase)) {
@@ -129,6 +184,14 @@ foreach ($file in @('SGU.AuthBroker.exe', 'SGU.AuthBroker.dll', 'appsettings.jso
 }
 
 $productionSettings = @{
+    Logging = @{
+        EventLog = @{
+            LogLevel = @{
+                Default = 'Information'
+                'Microsoft.AspNetCore' = 'Warning'
+            }
+        }
+    }
     Kestrel = @{
         Endpoints = @{
             Https = @{
@@ -143,6 +206,9 @@ $productionSettings = @{
         }
     }
     Broker = @{
+        Diagnostics = @{
+            UseDedicatedEventLog = $true
+        }
         Tls = @{
             AllowedClientThumbprints = $normalizedClientThumbprints
             CheckCertificateRevocation = -not $DisableCertificateRevocationCheckForLab
@@ -158,6 +224,7 @@ $productionSettings = @{
             AdministrativePersonalProfilePath = $AdministrativePersonalProfilePath
             AdministrativeLocationProfilePath = $AdministrativeLocationProfilePath
             StudentProfilePath = $StudentProfilePath
+            ProfessorPayrollProfilePath = $ProfessorPayrollProfilePath
             MenuProfilePath = $MenuProfilePath
             MaxProfileBytes = $MaxProfileBytes
             AllowedRedirectHosts = $AllowedNtlmRedirectHosts
@@ -170,6 +237,9 @@ $productionSettings = @{
             ProfessorOuDn = "OU=Docentes,OU=Usuarios-SGU,$BaseDn"
             StudentOuDn = "OU=Alumnos,OU=Usuarios-SGU,$BaseDn"
             AdministrativeOuDn = "OU=Administrativos,OU=Usuarios-SGU,$BaseDn"
+            ProfessorGroupDn = $ProfessorGroupDn
+            StudentGroupDn = $StudentGroupDn
+            AdministrativeGroupDn = $AdministrativeGroupDn
             RemoteDesktopGroupDn = $RemoteDesktopGroupDn
             DefaultCompany = $DefaultCompany
             CreateMissingOus = [bool]$CreateMissingOus
@@ -198,6 +268,18 @@ if ($PSCmdlet.ShouldProcess($installPath, 'Install the SGU Authentication Broker
         $settingsJson,
         $utf8WithoutBom)
 
+    if ([Diagnostics.EventLog]::SourceExists($brokerEventSource)) {
+        $registeredLog = [Diagnostics.EventLog]::LogNameFromSourceName($brokerEventSource, '.')
+        if (-not $registeredLog.Equals($brokerEventLogName, [StringComparison]::OrdinalIgnoreCase)) {
+            throw "Event source $brokerEventSource is already registered to $registeredLog."
+        }
+    }
+    else {
+        New-EventLog -LogName $brokerEventLogName -Source $brokerEventSource
+    }
+    Limit-EventLog -LogName $brokerEventLogName -MaximumSize 268435456 `
+        -OverflowAction OverwriteAsNeeded
+
     if (-not (Get-Service -Name $serviceName -ErrorAction SilentlyContinue)) {
         New-Service -Name $serviceName `
             -DisplayName 'SGU Authentication Broker' `
@@ -249,4 +331,5 @@ if ($PSCmdlet.ShouldProcess($installPath, 'Install the SGU Authentication Broker
     Start-Service -Name $serviceName
 }
 
-Get-Service -Name $serviceName | Select-Object Name, Status, StartType
+Get-Service -Name $serviceName | Select-Object Name, Status, StartType,
+    @{ Name = 'EventLog'; Expression = { $brokerEventLogName } }

scripts/Enable-SguClientMonitoring.ps1

@@ -0,0 +1,61 @@
+[CmdletBinding(SupportsShouldProcess)]
+param()
+
+$ErrorActionPreference = 'Stop'
+
+$identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+$principal = [Security.Principal.WindowsPrincipal]::new($identity)
+if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+    throw 'Run this script from an elevated Windows PowerShell session.'
+}
+
+# Use invariant audit subcategory GUIDs so this works on English and Spanish
+# installations. Logon, logoff, and other logon/logoff events provide the
+# session identifiers required to correlate usage centrally.
+$auditSubcategories = @(
+    '{0CCE9215-69AE-11D9-BED3-505054503030}', # Logon
+    '{0CCE9216-69AE-11D9-BED3-505054503030}', # Logoff
+    '{0CCE921C-69AE-11D9-BED3-505054503030}'  # Other Logon/Logoff Events
+)
+
+if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Enable SGU session auditing and event forwarding prerequisites')) {
+    foreach ($subcategory in $auditSubcategories) {
+        & auditpol.exe /set "/subcategory:$subcategory" /success:enable /failure:enable | Out-Null
+        if ($LASTEXITCODE -ne 0) {
+            throw "auditpol failed for subcategory $subcategory with exit code $LASTEXITCODE."
+        }
+    }
+
+    # Security events are read by the Windows Event Forwarding plug-in under
+    # NETWORK SERVICE. Resolve both principals by SID for localized Windows.
+    $eventLogReadersSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-573')
+    $networkServiceSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-20')
+    $members = @(Get-LocalGroupMember -SID $eventLogReadersSid -ErrorAction SilentlyContinue)
+    $eventLogReaderMembershipChanged = $false
+    if ($members.SID.Value -notcontains $networkServiceSid.Value) {
+        $networkServiceAccount = $networkServiceSid.Translate([Security.Principal.NTAccount]).Value
+        Add-LocalGroupMember -SID $eventLogReadersSid -Member $networkServiceAccount
+        $eventLogReaderMembershipChanged = $true
+    }
+
+    Set-Service WinRM -StartupType Automatic
+    if ((Get-Service WinRM).Status -ne 'Running') {
+        Start-Service WinRM
+    }
+    elseif ($eventLogReaderMembershipChanged) {
+        Restart-Service WinRM -Force
+    }
+
+    & wevtutil.exe set-log Security /maxsize:268435456 /retention:false /autobackup:false
+    if ($LASTEXITCODE -ne 0) {
+        throw "wevtutil failed to configure the local Security log with exit code $LASTEXITCODE."
+    }
+}
+
+[pscustomobject]@{
+    ComputerName = $env:COMPUTERNAME
+    WinRM = (Get-Service WinRM).Status.ToString()
+    SecurityLogMaximumBytes = (Get-WinEvent -ListLog Security).MaximumSizeInBytes
+    AuditSubcategories = $auditSubcategories
+    EventForwardingPolicy = Test-Path 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\EventLog\EventForwarding\SubscriptionManager'
+}

scripts/Enroll-SguDomainClient.ps1

@@ -24,6 +24,8 @@ param(
     [string[]]$DomainDnsServerAddresses = @('192.168.50.10'),
     [string]$RemoteDesktopPrincipal = 'LCI\SG-Laboratorio-Usuarios-RDP',
     [string]$DotNetRuntimeInstallerPath,
+    [string]$RustDeskServerAddress,
+    [string]$RustDeskServerPublicKey,
     [switch]$SkipRestart
 )
 
@@ -39,7 +41,9 @@ foreach ($scriptName in @(
     'Install-SguEnrollmentGuard.ps1',
     'Test-SguClientEnrollment.ps1',
     'Repair-SguClientEnrollment.ps1',
-    'Enable-LabRemoteAccess.ps1')) {
+    'Enable-LabRemoteAccess.ps1',
+    'Enable-SguClientMonitoring.ps1',
+    'Install-SguRustDeskClient.ps1')) {
     if (-not (Test-Path -LiteralPath (Join-Path $PSScriptRoot $scriptName) -PathType Leaf)) {
         throw "$scriptName must be beside Enroll-SguDomainClient.ps1."
     }
@@ -72,8 +76,16 @@ $guardParams = @{
     TimeoutSeconds = 90
     RemoteDesktopPrincipal = $RemoteDesktopPrincipal
     DotNetRuntimeInstallerPath = $DotNetRuntimeInstallerPath
+    RustDeskServerAddress = $RustDeskServerAddress
+    RustDeskServerPublicKey = $RustDeskServerPublicKey
 }
 
+if ([string]::IsNullOrWhiteSpace($RustDeskServerAddress) -xor
+    [string]::IsNullOrWhiteSpace($RustDeskServerPublicKey)) {
+    throw 'RustDeskServerAddress and RustDeskServerPublicKey must be supplied together.'
+}
+$rustDeskResult = $null
+
 if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and verify SGU before joining the domain')) {
     # The broker uses a domain DNS name even before the machine joins the
     # domain. Point at AD DNS first so the provider-first health check works on
@@ -84,10 +96,19 @@ if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and verify SGU before jo
     Resolve-DnsName -Type SRV "_ldap._tcp.dc._msdcs.$DomainName" -ErrorAction Stop | Out-Null
 
     & (Join-Path $PSScriptRoot 'Install-CredentialProvider.ps1') @installParams | Out-Null
+    if ($RustDeskServerAddress) {
+        $rustDeskResult = & (Join-Path $PSScriptRoot 'Install-SguRustDeskClient.ps1') `
+            -ServerAddress $RustDeskServerAddress `
+            -ServerPublicKey $RustDeskServerPublicKey
+    }
     & (Join-Path $PSScriptRoot 'Install-SguEnrollmentGuard.ps1') @guardParams | Out-Null
 
-    $preJoin = & (Join-Path $PSScriptRoot 'Test-SguClientEnrollment.ps1') `
-        -RequireBrokerHealth
+    $testParameters = @{ RequireBrokerHealth = $true }
+    if ($RustDeskServerAddress) {
+        $testParameters.RequireRustDesk = $true
+        $testParameters.RustDeskServerAddress = $RustDeskServerAddress
+    }
+    $preJoin = & (Join-Path $PSScriptRoot 'Test-SguClientEnrollment.ps1') @testParameters
     if (-not $preJoin.IsValid) {
         throw "Domain join refused because SGU enrollment is invalid: $($preJoin.Issues -join ' ')"
     }
@@ -96,10 +117,19 @@ if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and verify SGU before jo
         & (Join-Path $PSScriptRoot 'Enable-LabRemoteAccess.ps1') `
             -RemoteDesktopPrincipal $RemoteDesktopPrincipal `
             -EnableAdministrativeFirewallGroups | Out-Null
-        return & (Join-Path $PSScriptRoot 'Test-SguClientEnrollment.ps1') `
-            -RequireDomainJoined `
-            -RequireRemoteAccess `
-            -RemoteDesktopPrincipal $RemoteDesktopPrincipal
+        & (Join-Path $PSScriptRoot 'Enable-SguClientMonitoring.ps1') | Out-Null
+        $postJoinParameters = @{
+            RequireDomainJoined = $true
+            RequireRemoteAccess = $true
+            RemoteDesktopPrincipal = $RemoteDesktopPrincipal
+        }
+        if ($RustDeskServerAddress) {
+            $postJoinParameters.RequireRustDesk = $true
+            $postJoinParameters.RustDeskServerAddress = $RustDeskServerAddress
+        }
+        $postJoin = & (Join-Path $PSScriptRoot 'Test-SguClientEnrollment.ps1') @postJoinParameters
+        $postJoin | Add-Member -NotePropertyName RustDesk -NotePropertyValue $rustDeskResult
+        return $postJoin
     }
 
     if (-not $DomainCredential) {
@@ -130,5 +160,6 @@ if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and verify SGU before jo
     ComputerName = if ($NewComputerName) { $NewComputerName } else { $env:COMPUTERNAME }
     DomainName = $DomainName
     ProviderValidatedBeforeJoin = $true
+    RustDesk = $rustDeskResult
     RestartRequired = [bool]$SkipRestart
 }

scripts/Enroll-SguLinuxDomainClient.sh

@@ -0,0 +1,513 @@
+#!/usr/bin/env bash
+# Enroll-SguLinuxDomainClient.sh
+#
+# Idempotently joins a Debian/Ubuntu or RHEL-family Linux workstation to the
+# SGU Active Directory laboratory. The join password is always requested by
+# realmd; this script never accepts, logs, or stores it.
+
+set -Eeuo pipefail
+IFS=$'\n\t'
+SCRIPT_DIRECTORY=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
+
+DOMAIN_NAME='lci.lasalle.mx'
+DOMAIN_CONTROLLER=''
+DOMAIN_DNS=''
+COMPUTER_OU='OU=Laboratorio,DC=lci,DC=lasalle,DC=mx'
+JOIN_USER='Administrator'
+DOMAIN_INTERFACE=''
+DOMAIN_ADDRESS=''
+COMPUTER_NAME=''
+ALLOW_GROUP=''
+ENABLE_SSH=false
+ENABLE_HYPERV_ENHANCED_SESSION=false
+ENABLE_RUSTDESK=true
+RUSTDESK_REGISTRATION_SHARE=''
+
+usage() {
+    cat <<'EOF'
+Usage:
+  sudo ./Enroll-SguLinuxDomainClient.sh --domain-controller <IPv4-or-FQDN> [options]
+
+Required:
+  --domain-controller VALUE  Fixed IPv4 address or DNS name of the AD controller.
+
+Options:
+  --domain-name VALUE        AD DNS domain (default: lci.lasalle.mx).
+  --domain-dns VALUE         DNS server for the AD network (default: domain controller).
+  --computer-ou DN           Destination computer OU.
+  --join-user USER           AD account permitted to join computers (default: Administrator).
+  --computer-name NAME       NetBIOS host name; its FQDN becomes NAME.DOMAIN.
+  --domain-interface IFACE   Private NIC connected to the AD network.
+  --domain-address CIDR      Static IPv4 address for --domain-interface, e.g. 192.168.50.12/24.
+  --allow-group GROUP        Restrict Linux sign-in to this AD group after joining.
+  --enable-ssh               Install, enable, and (when active) permit OpenSSH in the local firewall.
+  --enable-hyperv-enhanced-session
+                             Install and configure XRDP over Hyper-V sockets for VMConnect.
+  --disable-rustdesk         Do not install the managed RustDesk remote-support client.
+  --rustdesk-registration-share UNC
+                             Override the protected controller SMB enrollment share.
+  --help                     Show this help.
+
+Network safety:
+  --domain-interface and --domain-address must be supplied together. The selected
+  interface must not own the default route, so the command cannot replace the
+  Internet route while attaching a private AD NIC.
+
+The AD password is requested interactively by realmd. It is never accepted as an
+argument or written to a file, log, or command line.
+EOF
+}
+
+fail() {
+    printf 'ERROR: %s\n' "$*" >&2
+    exit 1
+}
+
+need_command() {
+    command -v "$1" >/dev/null 2>&1 || fail "Required command is unavailable: $1"
+}
+
+packages_are_installed() {
+    local package_name
+    for package_name in "$@"; do
+        dpkg-query -W -f='${db:Status-Status}' "$package_name" 2>/dev/null | grep -Fxq 'installed' \
+            || return 1
+    done
+}
+
+apt_get_with_retry() {
+    local attempt
+    for attempt in $(seq 1 60); do
+        if apt-get "$@"; then
+            return 0
+        fi
+        if fuser /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock /var/lib/apt/lists/lock \
+            >/dev/null 2>&1; then
+            printf 'Waiting for another package operation before retrying apt-get %s.\n' "$1" >&2
+            sleep 5
+            continue
+        fi
+        fail "apt-get $1 failed for a reason other than a temporary package lock."
+    done
+    fail 'Timed out waiting for another package operation to finish.'
+}
+
+while (($#)); do
+    case "$1" in
+        --domain-controller) DOMAIN_CONTROLLER=${2:?Missing value for --domain-controller}; shift 2 ;;
+        --domain-name) DOMAIN_NAME=${2:?Missing value for --domain-name}; shift 2 ;;
+        --domain-dns) DOMAIN_DNS=${2:?Missing value for --domain-dns}; shift 2 ;;
+        --computer-ou) COMPUTER_OU=${2:?Missing value for --computer-ou}; shift 2 ;;
+        --join-user) JOIN_USER=${2:?Missing value for --join-user}; shift 2 ;;
+        --computer-name) COMPUTER_NAME=${2:?Missing value for --computer-name}; shift 2 ;;
+        --domain-interface) DOMAIN_INTERFACE=${2:?Missing value for --domain-interface}; shift 2 ;;
+        --domain-address) DOMAIN_ADDRESS=${2:?Missing value for --domain-address}; shift 2 ;;
+        --allow-group) ALLOW_GROUP=${2:?Missing value for --allow-group}; shift 2 ;;
+        --enable-ssh) ENABLE_SSH=true; shift ;;
+        --enable-hyperv-enhanced-session) ENABLE_HYPERV_ENHANCED_SESSION=true; shift ;;
+        --disable-rustdesk) ENABLE_RUSTDESK=false; shift ;;
+        --rustdesk-registration-share) RUSTDESK_REGISTRATION_SHARE=${2:?Missing value for --rustdesk-registration-share}; shift 2 ;;
+        --help|-h) usage; exit 0 ;;
+        *) fail "Unknown argument: $1. Use --help for usage." ;;
+    esac
+done
+
+[[ ${EUID} -eq 0 ]] || fail 'Run this command with sudo or as root.'
+[[ -n $DOMAIN_CONTROLLER ]] || fail '--domain-controller is required.'
+
+if [[ -z $DOMAIN_DNS ]]; then
+    DOMAIN_DNS=$DOMAIN_CONTROLLER
+fi
+
+if [[ -n $DOMAIN_INTERFACE || -n $DOMAIN_ADDRESS ]]; then
+    [[ -n $DOMAIN_INTERFACE && -n $DOMAIN_ADDRESS ]] || \
+        fail '--domain-interface and --domain-address must be supplied together.'
+fi
+
+if [[ -z $COMPUTER_NAME ]]; then
+    COMPUTER_NAME=$(hostname -s)
+fi
+COMPUTER_NAME=${COMPUTER_NAME^^}
+HOST_FQDN="${COMPUTER_NAME,,}.${DOMAIN_NAME,,}"
+
+install_prerequisites() {
+    local -a packages=()
+    if command -v apt-get >/dev/null 2>&1; then
+        packages=(realmd sssd sssd-tools adcli libnss-sss libpam-sss krb5-user packagekit samba-common-bin)
+        if [[ $ENABLE_SSH == true ]]; then
+            packages+=(openssh-server)
+        fi
+        if [[ $ENABLE_HYPERV_ENHANCED_SESSION == true ]]; then
+            packages+=(xrdp xorgxrdp ssl-cert)
+
+            # XRDP's Debian post-install script cannot replace a dangling
+            # certificate symlink left by an interrupted/older installation.
+            # Remove only dangling links so dpkg can recreate them safely.
+            local xrdp_link
+            for xrdp_link in /etc/xrdp/cert.pem /etc/xrdp/key.pem; do
+                if [[ -L $xrdp_link && ! -e $xrdp_link ]]; then
+                    rm -f -- "$xrdp_link"
+                fi
+            done
+        fi
+        export DEBIAN_FRONTEND=noninteractive
+        if ! packages_are_installed "${packages[@]}"; then
+            apt_get_with_retry update
+            apt_get_with_retry install -y "${packages[@]}"
+        fi
+        # `pam-auth-update` takes the debconf database lock even when its
+        # profile is already enabled.  Avoid that unnecessary package-manager
+        # dependency on repeat enrollment runs.
+        if ! grep -Eq '^[[:space:]]*[^#].*pam_mkhomedir\.so' /etc/pam.d/common-session; then
+            pam-auth-update --enable mkhomedir --force
+        fi
+        return
+    fi
+
+    if command -v dnf >/dev/null 2>&1; then
+        packages=(realmd sssd sssd-tools adcli oddjob oddjob-mkhomedir samba-common-tools krb5-workstation)
+        if [[ $ENABLE_SSH == true ]]; then
+            packages+=(openssh-server)
+        fi
+        dnf install -y "${packages[@]}"
+        authselect select sssd with-mkhomedir --force
+        return
+    fi
+
+    fail 'Supported package managers are apt-get (Debian/Ubuntu) and dnf (RHEL/Fedora/Rocky/AlmaLinux).'
+}
+
+configure_private_ad_interface() {
+    [[ -n $DOMAIN_INTERFACE ]] || return 0
+    need_command nmcli
+    ip link show "$DOMAIN_INTERFACE" >/dev/null 2>&1 || \
+        fail "Network interface does not exist: $DOMAIN_INTERFACE"
+
+    local default_interface
+    default_interface=$(ip route show default | awk 'NR == 1 { print $5 }')
+    if [[ $default_interface == "$DOMAIN_INTERFACE" ]]; then
+        fail "Refusing to reconfigure $DOMAIN_INTERFACE because it owns the default route. Use the private AD NIC."
+    fi
+
+    local connection_name="SGU-Lab-AD-${DOMAIN_INTERFACE}"
+    if ! nmcli -t -f NAME connection show | grep -Fxq "$connection_name"; then
+        nmcli connection add type ethernet ifname "$DOMAIN_INTERFACE" con-name "$connection_name"
+    fi
+    nmcli connection modify "$connection_name" \
+        connection.autoconnect yes \
+        ipv4.method manual \
+        ipv4.addresses "$DOMAIN_ADDRESS" \
+        ipv4.dns "$DOMAIN_DNS" \
+        ipv4.dns-search "$DOMAIN_NAME" \
+        ipv4.never-default yes \
+        ipv6.method ignore
+    nmcli connection up "$connection_name"
+}
+
+enable_sssd_dyndns() {
+    [[ -n $DOMAIN_INTERFACE ]] || return 0
+    local configuration_directory='/etc/sssd/conf.d'
+    local configuration_path="${configuration_directory}/90-sgu-dyndns.conf"
+    local temporary_path
+    temporary_path=$(mktemp)
+    printf '%s\n' \
+        "[domain/${DOMAIN_NAME,,}]" \
+        "ad_hostname = ${HOST_FQDN}" \
+        'dyndns_update = True' \
+        'dyndns_update_ptr = True' \
+        "dyndns_iface = ${DOMAIN_INTERFACE}" \
+        'dyndns_refresh_interval = 43200' >"$temporary_path"
+    install -d -o root -g root -m 700 "$configuration_directory"
+    install -o root -g root -m 600 "$temporary_path" "$configuration_path"
+    rm -f "$temporary_path"
+}
+
+enable_short_domain_login_names() {
+    local configuration_path='/etc/sssd/sssd.conf'
+    [[ -f $configuration_path ]] || return 0
+
+    # Institutional account names (AL/AD/DO) are unique in this lab and are
+    # the identifiers users already know. Keep UPN logins valid while also
+    # allowing the short form in PAM applications such as XRDP/VMConnect.
+    if grep -Eq '^[[:space:]]*use_fully_qualified_names[[:space:]]*=' "$configuration_path"; then
+        sed -Ei 's/^[[:space:]]*use_fully_qualified_names[[:space:]]*=.*/use_fully_qualified_names = False/' \
+            "$configuration_path"
+    else
+        sed -Ei "/^\[domain\/${DOMAIN_NAME//./\\.}\]$/a use_fully_qualified_names = False" \
+            "$configuration_path"
+    fi
+    chmod 600 "$configuration_path"
+}
+
+configure_sssd_responder_mode() {
+    local configuration_path='/etc/sssd/sssd.conf'
+    [[ -f $configuration_path ]] || return 0
+
+    # realmd writes a persistent responder list, while recent Debian-family
+    # packages can enable the same NSS/PAM responders through systemd sockets.
+    # Running both modes makes the sockets fail at boot and can leave graphical
+    # PAM clients unable to contact SSSD reliably. Keep realmd's persistent
+    # responders and disable only the duplicate socket units when they exist.
+    local unit
+    for unit in sssd-nss.socket sssd-pam.socket sssd-pam-priv.socket; do
+        if systemctl list-unit-files "$unit" --no-legend 2>/dev/null | grep -q "^${unit}"; then
+            systemctl disable --now "$unit" >/dev/null 2>&1 || true
+            systemctl reset-failed "$unit" >/dev/null 2>&1 || true
+        fi
+    done
+}
+
+configure_graphical_domain_login() {
+    local sssd_configuration_directory='/etc/sssd/conf.d'
+    local temporary_sssd_configuration
+    local interactive_services='+lightdm,+cinnamon-screensaver'
+    if [[ $ENABLE_HYPERV_ENHANCED_SESSION == true ]]; then
+        interactive_services+=',+xrdp-sesman'
+    fi
+
+    temporary_sssd_configuration=$(mktemp)
+    printf '%s\n' \
+        "[domain/${DOMAIN_NAME,,}]" \
+        "ad_gpo_map_interactive = ${interactive_services}" >"$temporary_sssd_configuration"
+    install -d -o root -g root -m 700 "$sssd_configuration_directory"
+    install -o root -g root -m 600 "$temporary_sssd_configuration" \
+        "${sssd_configuration_directory}/91-sgu-graphical-login.conf"
+    rm -f "$temporary_sssd_configuration"
+    rm -f "${sssd_configuration_directory}/91-sgu-xrdp.conf"
+
+    # Do not disclose a list of local/domain accounts at the console.  Slick
+    # Greeter still provides the explicit manual prompt needed for a first AD
+    # sign-in (AL/AD/DO identifier and password).
+    if [[ -d /etc/lightdm/lightdm.conf.d ]]; then
+        local temporary_lightdm_configuration
+        temporary_lightdm_configuration=$(mktemp)
+        printf '%s\n' \
+            '[Seat:*]' \
+            'greeter-show-manual-login=true' \
+            'greeter-hide-users=true' >"$temporary_lightdm_configuration"
+        install -o root -g root -m 644 "$temporary_lightdm_configuration" \
+            '/etc/lightdm/lightdm.conf.d/91-sgu-domain-login.conf'
+        rm -f "$temporary_lightdm_configuration"
+    fi
+}
+
+enable_ssh() {
+    [[ $ENABLE_SSH == true ]] || return 0
+    local service_name='sshd'
+    if systemctl list-unit-files ssh.service >/dev/null 2>&1; then
+        service_name='ssh'
+    fi
+    systemctl enable --now "$service_name"
+    if command -v ufw >/dev/null 2>&1 && ufw status | grep -q '^Status: active'; then
+        ufw allow OpenSSH
+    elif command -v firewall-cmd >/dev/null 2>&1 && systemctl is-active --quiet firewalld; then
+        firewall-cmd --permanent --add-service=ssh
+        firewall-cmd --reload
+    fi
+}
+
+configure_hyperv_enhanced_session() {
+    [[ $ENABLE_HYPERV_ENHANCED_SESSION == true ]] || return 0
+
+    command -v xrdp >/dev/null 2>&1 || {
+        printf 'WARNING: XRDP is unavailable; Hyper-V Enhanced Session was not enabled.\n' >&2
+        return 0
+    }
+
+    local xrdp_configuration='/etc/xrdp/xrdp.ini'
+    [[ -f $xrdp_configuration ]] || {
+        printf 'WARNING: %s is missing; Hyper-V Enhanced Session was not enabled.\n' "$xrdp_configuration" >&2
+        return 0
+    }
+
+    # VMConnect uses AF_VSOCK rather than TCP. Only change the first occurrence,
+    # which belongs to [Globals]; later port entries describe XRDP backends.
+    sed -Ei '0,/^port=.*/s|^port=.*|port=vsock://-1:3389|' "$xrdp_configuration"
+    if grep -q '^use_vsock=' "$xrdp_configuration"; then
+        sed -Ei '0,/^use_vsock=.*/s|^use_vsock=.*|use_vsock=true|' "$xrdp_configuration"
+    else
+        sed -Ei '/^port=vsock:\/\/-1:3389/a use_vsock=true' "$xrdp_configuration"
+    fi
+    sed -Ei '0,/^security_layer=.*/s|^security_layer=.*|security_layer=rdp|' "$xrdp_configuration"
+    sed -Ei '0,/^crypt_level=.*/s|^crypt_level=.*|crypt_level=none|' "$xrdp_configuration"
+
+    # A clean Ubuntu installation can contain XRDP symlinks before the
+    # snake-oil certificate has actually been generated.
+    if [[ ! -s /etc/ssl/certs/ssl-cert-snakeoil.pem || \
+          ! -s /etc/ssl/private/ssl-cert-snakeoil.key ]]; then
+        if command -v make-ssl-cert >/dev/null 2>&1; then
+            make-ssl-cert generate-default-snakeoil --force-overwrite
+        else
+            printf 'WARNING: make-ssl-cert is unavailable; XRDP certificate generation was skipped.\n' >&2
+        fi
+    fi
+    usermod -aG ssl-cert xrdp
+
+    # xrdp-sesman (root) and xrdp (the xrdp account) share /run/xrdp. Give the
+    # directory the shared group/mode so the second service can create its PID
+    # file instead of timing out while VMConnect remains at "Connecting".
+    local override_directory='/etc/systemd/system/xrdp-sesman.service.d'
+    local temporary_override
+    temporary_override=$(mktemp)
+    printf '%s\n' \
+        '[Service]' \
+        'Group=xrdp' \
+        'RuntimeDirectory=xrdp' \
+        'RuntimeDirectoryMode=0775' >"$temporary_override"
+    install -d -o root -g root -m 755 "$override_directory"
+    install -o root -g root -m 644 "$temporary_override" \
+        "${override_directory}/sgu-runtime.conf"
+    rm -f "$temporary_override"
+
+    systemctl daemon-reload
+    systemctl enable xrdp xrdp-sesman
+    systemctl restart xrdp
+    systemctl is-active --quiet xrdp
+    systemctl is-active --quiet xrdp-sesman
+}
+
+install_welcome_wallpaper() {
+    local source_directory="${SCRIPT_DIRECTORY}/welcome-wallpaper"
+    local source_script="${source_directory}/Set-SguWelcomeWallpaper.sh"
+    local source_image="${source_directory}/darkblue.jpg"
+    local install_directory='/usr/local/lib/sgu-welcome-wallpaper'
+    local configuration_directory='/etc/sgu'
+    local autostart_directory='/etc/xdg/autostart'
+
+    if [[ ! -r $source_script || ! -r $source_image ]]; then
+        printf 'WARNING: Welcome wallpaper assets are absent; domain enrollment will continue without desktop branding.\n' >&2
+        return 0
+    fi
+
+    # Desktop branding is optional and must never invalidate an otherwise valid
+    # domain join. Install its distribution-specific dependencies best-effort.
+    if command -v apt-get >/dev/null 2>&1; then
+        if ! apt_get_with_retry install -y imagemagick ldap-utils fontconfig; then
+            printf 'WARNING: Could not install welcome wallpaper dependencies; enrollment remains valid.\n' >&2
+            return 0
+        fi
+    elif command -v dnf >/dev/null 2>&1; then
+        if ! dnf install -y ImageMagick openldap-clients fontconfig; then
+            printf 'WARNING: Could not install welcome wallpaper dependencies; enrollment remains valid.\n' >&2
+            return 0
+        fi
+    fi
+
+    install -d -o root -g root -m 755 "$install_directory" "$configuration_directory" "$autostart_directory"
+    install -o root -g root -m 755 "$source_script" "${install_directory}/Set-SguWelcomeWallpaper.sh"
+    install -o root -g root -m 644 "$source_image" "${install_directory}/darkblue.jpg"
+    if compgen -G "${source_directory}/fonts/*.[ot]tf" >/dev/null; then
+        install -d -o root -g root -m 755 "${install_directory}/fonts"
+        install -o root -g root -m 644 "${source_directory}"/fonts/*.[ot]tf "${install_directory}/fonts/"
+    fi
+
+    local base_dn=''
+    local component
+    IFS='.' read -ra domain_components <<<"$DOMAIN_NAME"
+    for component in "${domain_components[@]}"; do
+        if [[ -n $base_dn ]]; then
+            base_dn+=','
+        fi
+        base_dn+="DC=${component}"
+    done
+
+    local temporary_configuration
+    temporary_configuration=$(mktemp)
+    printf 'DOMAIN_CONTROLLER=%q\nDOMAIN_NAME=%q\nBASE_DN=%q\n' \
+        "$DOMAIN_CONTROLLER" "$DOMAIN_NAME" "$base_dn" >"$temporary_configuration"
+    install -o root -g root -m 644 "$temporary_configuration" \
+        "${configuration_directory}/welcome-wallpaper.conf"
+    rm -f "$temporary_configuration"
+
+    local temporary_autostart
+    temporary_autostart=$(mktemp)
+    cat >"$temporary_autostart" <<'EOF'
+[Desktop Entry]
+Type=Application
+Name=SGU welcome wallpaper
+Comment=Generate a personalized La Salle laboratory welcome wallpaper
+Exec=/usr/local/lib/sgu-welcome-wallpaper/Set-SguWelcomeWallpaper.sh
+Terminal=false
+NoDisplay=true
+X-GNOME-Autostart-enabled=true
+X-Cinnamon-Autostart-enabled=true
+EOF
+    install -o root -g root -m 644 "$temporary_autostart" \
+        "${autostart_directory}/sgu-welcome-wallpaper.desktop"
+    rm -f "$temporary_autostart"
+}
+
+install_managed_rustdesk() {
+    [[ $ENABLE_RUSTDESK == true ]] || return 0
+    local installer="${SCRIPT_DIRECTORY}/Install-SguLinuxRustDeskClient.sh"
+    if [[ ! -r $installer ]]; then
+        fail 'The managed Linux RustDesk installer is missing from this bootstrap package.'
+    fi
+    local -a parameters=(--domain-name "$DOMAIN_NAME")
+    if [[ -n $RUSTDESK_REGISTRATION_SHARE ]]; then
+        parameters+=(--registration-share "$RUSTDESK_REGISTRATION_SHARE")
+    fi
+    bash "$installer" "${parameters[@]}"
+}
+
+verify_domain_connectivity() {
+    need_command getent
+    getent ahostsv4 "$DOMAIN_CONTROLLER" >/dev/null || \
+        fail "Could not resolve the domain controller: $DOMAIN_CONTROLLER"
+    if command -v resolvectl >/dev/null 2>&1; then
+        resolvectl query --type=SRV "_ldap._tcp.dc._msdcs.${DOMAIN_NAME}" >/dev/null || \
+            fail "AD DNS does not provide _ldap._tcp.dc._msdcs.${DOMAIN_NAME}."
+    fi
+}
+
+configure_private_ad_interface
+install_prerequisites
+verify_domain_connectivity
+
+# Establish a canonical host name before adcli creates or refreshes the
+# computer object, SPNs, and keytab entries.
+hostnamectl set-hostname "$HOST_FQDN"
+
+if realm list --name-only 2>/dev/null | grep -Fxqi "$DOMAIN_NAME"; then
+    printf 'Computer is already joined to %s; validating and refreshing configuration.\n' "$DOMAIN_NAME"
+else
+    realm discover "$DOMAIN_NAME" >/dev/null
+    printf 'Joining %s. realmd will request the password for %s interactively.\n' "$DOMAIN_NAME" "$JOIN_USER"
+    realm join \
+        --membership-software=adcli \
+        --client-software=sssd \
+        --computer-ou="$COMPUTER_OU" \
+        --user="$JOIN_USER" \
+        "$DOMAIN_NAME"
+fi
+
+enable_sssd_dyndns
+enable_short_domain_login_names
+configure_sssd_responder_mode
+configure_graphical_domain_login
+systemctl enable --now sssd
+sssctl config-check
+systemctl restart sssd
+adcli update --domain="$DOMAIN_NAME" --host-fqdn="$HOST_FQDN" --computer-name="$COMPUTER_NAME"
+adcli testjoin --domain="$DOMAIN_NAME"
+
+if [[ -n $ALLOW_GROUP ]]; then
+    realm deny --all
+    realm permit --groups "$ALLOW_GROUP"
+fi
+
+enable_ssh
+configure_hyperv_enhanced_session
+install_welcome_wallpaper
+install_managed_rustdesk
+
+printf '\nLinux enrollment completed.\n'
+printf '  Host: %s\n' "$HOST_FQDN"
+printf '  Domain: %s\n' "$DOMAIN_NAME"
+printf '  OU: %s\n' "$COMPUTER_OU"
+printf '  Login format: %%U@%s\n' "$DOMAIN_NAME"
+printf '  Welcome wallpaper: generated at each graphical sign-in when the desktop is supported.\n'
+if [[ $ENABLE_RUSTDESK == true ]]; then
+    printf '  RustDesk: configured and registered in the controller inventory.\n'
+fi
+realm list

scripts/Get-SguBrokerLog.ps1

@@ -0,0 +1,82 @@
+#Requires -Version 5.1
+[CmdletBinding()]
+param(
+    [datetime]$Since = (Get-Date).AddDays(-183),
+    [datetime]$Until = (Get-Date),
+    [string]$UserName,
+    [ValidateSet('Critical','Error','Warning','Information','Verbose')]
+    [string]$Level,
+    [int[]]$EventId,
+    [string]$Text,
+    [string]$MonitoringRoot = 'C:\ProgramData\SGU\Monitoring',
+    [string]$BrokerEventLogName = 'SGU Auth Broker',
+    [string]$OutputCsv
+)
+
+$ErrorActionPreference = 'Stop'
+$events = [Collections.Generic.List[object]]::new()
+$eventNames = @{
+    900 = 'BrokerStarted'
+    1000 = 'AuthenticationAuthorized'
+    1001 = 'AuthenticationRejected'
+    1002 = 'AuthenticationUnavailable'
+    1003 = 'AuthenticationInvalidRequest'
+    1100 = 'SguAuthenticationAccepted'
+    1101 = 'SguAuthenticationTimeout'
+    1102 = 'SguAuthenticationNetworkFailure'
+    1200 = 'ProfileEnrichmentCompleted'
+    1201 = 'ProfileHtmlUnexpected'
+    1202 = 'ProfileEnrichmentTimeout'
+    1203 = 'ProfileEnrichmentFailure'
+    1204 = 'ProfilePageUnavailable'
+    1300 = 'DirectorySynchronizationFailure'
+    1301 = 'DirectoryOptionalMetadataFailure'
+    1302 = 'DirectoryGroupMembershipFailure'
+    1303 = 'DirectoryRoleGroupMembershipAdded'
+}
+
+# Keep these reads unfiltered. Besides making archived and current logs behave
+# identically, this avoids the Windows Server 2025 ForwardedEvents query defect.
+if (Get-WinEvent -ListLog $BrokerEventLogName -ErrorAction SilentlyContinue) {
+    Get-WinEvent -LogName $BrokerEventLogName -ErrorAction SilentlyContinue |
+        Where-Object { $_.TimeCreated -ge $Since -and $_.TimeCreated -le $Until } |
+        ForEach-Object { $events.Add($_) }
+}
+
+$brokerArchiveRoot = Join-Path $MonitoringRoot 'Archive\Broker'
+Get-ChildItem -LiteralPath $brokerArchiveRoot -Filter '*.evtx' -File -ErrorAction SilentlyContinue |
+    Where-Object LastWriteTime -ge $Since.AddDays(-1) |
+    ForEach-Object {
+        try {
+            Get-WinEvent -Path $_.FullName -Oldest -ErrorAction Stop |
+                Where-Object { $_.TimeCreated -ge $Since -and $_.TimeCreated -le $Until } |
+                ForEach-Object { $events.Add($_) }
+        }
+        catch {
+            Write-Warning "Could not read broker archive $($_.FullName): $($_.Exception.Message)"
+        }
+    }
+
+$result = @($events | Where-Object {
+    (-not $UserName -or $_.Message -like "*$UserName*") -and
+    (-not $Level -or $_.LevelDisplayName -eq $Level) -and
+    (-not $EventId -or $_.Id -in $EventId) -and
+    (-not $Text -or $_.Message -like "*$Text*")
+} | Sort-Object TimeCreated -Descending | ForEach-Object {
+    [pscustomobject]@{
+        TimeCreated = $_.TimeCreated
+        Level = $_.LevelDisplayName
+        EventId = $_.Id
+        EventName = $eventNames[[int]$_.Id]
+        Provider = $_.ProviderName
+        Message = $_.Message
+    }
+})
+
+if ($OutputCsv) {
+    $resolvedOutput = [IO.Path]::GetFullPath($OutputCsv)
+    New-Item -ItemType Directory -Path (Split-Path $resolvedOutput -Parent) -Force | Out-Null
+    $result | Export-Csv -LiteralPath $resolvedOutput -NoTypeInformation -Encoding UTF8
+}
+
+$result

scripts/Get-SguRustDeskDevice.ps1

@@ -0,0 +1,71 @@
+[CmdletBinding()]
+param(
+    [string]$ComputerName,
+    [switch]$RevealPassword,
+    [string]$InventoryRoot = "$env:ProgramData\SGU\RustDesk\Devices"
+)
+
+$ErrorActionPreference = 'Stop'
+
+function Assert-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = [Security.Principal.WindowsPrincipal]::new($identity)
+    if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        throw 'Only a local administrator can read the RustDesk device inventory.'
+    }
+}
+
+function Initialize-DataProtection {
+    if (-not ('SguRustDeskDataProtection' -as [type])) {
+        Add-Type -TypeDefinition @'
+using System;
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+public static class SguRustDeskDataProtection {
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+    private struct DataBlob { public int cbData; public IntPtr pbData; }
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptProtectData(ref DataBlob input, string description, IntPtr entropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptUnprotectData(ref DataBlob input, IntPtr description, IntPtr entropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+    [DllImport("kernel32.dll", SetLastError = true)] private static extern IntPtr LocalFree(IntPtr memory);
+    private const int CryptProtectLocalMachine = 0x4;
+    private static DataBlob ToBlob(byte[] value) { var blob = new DataBlob { cbData = value.Length, pbData = IntPtr.Zero }; if (value.Length > 0) { blob.pbData = Marshal.AllocHGlobal(value.Length); Marshal.Copy(value, 0, blob.pbData, value.Length); } return blob; }
+    private static byte[] FromBlob(DataBlob blob) { var value = new byte[blob.cbData]; if (blob.cbData > 0) Marshal.Copy(blob.pbData, value, 0, blob.cbData); return value; }
+    public static byte[] Protect(byte[] value) { var input = ToBlob(value); var output = new DataBlob(); try { if (!CryptProtectData(ref input, null, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, CryptProtectLocalMachine, out output)) throw new Win32Exception(Marshal.GetLastWin32Error()); return FromBlob(output); } finally { if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData); if (output.pbData != IntPtr.Zero) LocalFree(output.pbData); } }
+    public static byte[] Unprotect(byte[] value) { var input = ToBlob(value); var output = new DataBlob(); try { if (!CryptUnprotectData(ref input, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0, out output)) throw new Win32Exception(Marshal.GetLastWin32Error()); return FromBlob(output); } finally { if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData); if (output.pbData != IntPtr.Zero) LocalFree(output.pbData); } }
+}
+'@ -ErrorAction Stop
+    }
+}
+
+Assert-Administrator
+Initialize-DataProtection
+if (-not (Test-Path -LiteralPath $InventoryRoot -PathType Container)) {
+    return @()
+}
+
+$entries = @(Get-ChildItem -LiteralPath $InventoryRoot -Filter '*.json' -File |
+    ForEach-Object {
+        $metadata = Get-Content -LiteralPath $_.FullName -Raw | ConvertFrom-Json
+        if ($ComputerName -and -not $metadata.ComputerName.Equals($ComputerName, [StringComparison]::OrdinalIgnoreCase)) {
+            return
+        }
+        $result = [ordered]@{
+            ComputerName = [string]$metadata.ComputerName
+            RustDeskId = [string]$metadata.RustDeskId
+            RegisteredAt = [datetime]$metadata.RegisteredAt
+        }
+        if ($RevealPassword) {
+            $secretPath = [string]$metadata.SecretPath
+            if (-not (Test-Path -LiteralPath $secretPath -PathType Leaf)) {
+                throw "The protected RustDesk credential for $($metadata.ComputerName) is missing."
+            }
+            $result.AccessPassword = [Text.Encoding]::UTF8.GetString(
+                [SguRustDeskDataProtection]::Unprotect(
+                    [IO.File]::ReadAllBytes($secretPath)))
+        }
+        [pscustomobject]$result
+    })
+
+$entries | Sort-Object ComputerName

scripts/Get-SguUsageReport.ps1

@@ -0,0 +1,176 @@
+#Requires -Version 5.1
+[CmdletBinding()]
+param(
+    [datetime]$Since = (Get-Date).AddDays(-183),
+    [datetime]$Until = (Get-Date),
+    [string]$UserName,
+    [string]$ComputerName,
+    [string]$MonitoringRoot = 'C:\ProgramData\SGU\Monitoring',
+    [string]$OutputCsv
+)
+
+$ErrorActionPreference = 'Stop'
+$eventIds = @(4624,4625,4634,4647,4778,4779,6005,6006,6008)
+$events = [Collections.Generic.List[object]]::new()
+
+try {
+    # Windows Server 2025 can crash the Windows Event Log service when a
+    # structured query is evaluated against ForwardedEvents (wevtsvc.dll,
+    # exception 0xc0000420). Read the channel without a server-side query and
+    # apply every predicate in this process instead.
+    Get-WinEvent -LogName 'ForwardedEvents' -ErrorAction Stop |
+        Where-Object {
+            $_.Id -in $eventIds -and
+            $_.TimeCreated -ge $Since -and
+            $_.TimeCreated -le $Until
+        } |
+        ForEach-Object { $events.Add($_) }
+}
+catch [System.Exception] {
+    if ($_.FullyQualifiedErrorId -notlike 'NoMatchingEventsFound*') {
+        Write-Verbose $_.Exception.Message
+    }
+}
+
+$archiveRoot = Join-Path $MonitoringRoot 'Archive'
+Get-ChildItem -LiteralPath $archiveRoot -Filter '*.evtx' -File -ErrorAction SilentlyContinue |
+    Where-Object LastWriteTime -ge $Since.AddDays(-1) |
+    ForEach-Object {
+        try {
+            Get-WinEvent -Path $_.FullName -Oldest -ErrorAction Stop |
+                Where-Object { $_.Id -in $eventIds -and $_.TimeCreated -ge $Since -and $_.TimeCreated -le $Until } |
+                ForEach-Object { $events.Add($_) }
+        }
+        catch {
+            Write-Warning "Could not read archive $($_.FullName): $($_.Exception.Message)"
+        }
+    }
+
+function Get-EventData {
+    param([Parameter(Mandatory)]$EventRecord)
+
+    $xml = [xml]$EventRecord.ToXml()
+    $data = @{}
+    foreach ($item in @($xml.Event.EventData.Data)) {
+        if ($item.Name) {
+            $data[[string]$item.Name] = [string]$item.'#text'
+        }
+    }
+    [pscustomobject]@{
+        Computer = [string]$xml.Event.System.Computer
+        Data = $data
+    }
+}
+
+$openSessions = @{}
+$rows = [Collections.Generic.List[object]]::new()
+$ignoredUsers = @('ANONYMOUS LOGON','DWM-1','DWM-2','DWM-3','LOCAL SERVICE','NETWORK SERVICE','SYSTEM','UMFD-0','UMFD-1','UMFD-2','UMFD-3')
+
+foreach ($eventRecord in @($events | Sort-Object TimeCreated,RecordId)) {
+    $parsed = Get-EventData -EventRecord $eventRecord
+    $machine = ($parsed.Computer -split '\.')[0].ToUpperInvariant()
+    $data = $parsed.Data
+
+    if ($eventRecord.Id -in 6005,6006,6008) {
+        foreach ($key in @($openSessions.Keys | Where-Object { $_ -like "$machine|*" })) {
+            $session = $openSessions[$key]
+            $rows.Add([pscustomobject]@{
+                User = $session.User
+                Computer = $machine
+                StartedAt = $session.StartedAt
+                EndedAt = $eventRecord.TimeCreated
+                Duration = $eventRecord.TimeCreated - $session.StartedAt
+                DurationMinutes = [math]::Round(($eventRecord.TimeCreated - $session.StartedAt).TotalMinutes, 2)
+                LogonType = $session.LogonType
+                Result = 'Interrumpida por apagado o reinicio'
+                FailureStatus = $null
+            })
+            $openSessions.Remove($key)
+        }
+        continue
+    }
+
+    if ($eventRecord.Id -eq 4625) {
+        $failedUser = [string]$data.TargetUserName
+        if ($failedUser -and $failedUser -notlike '*$' -and $failedUser.ToUpperInvariant() -notin $ignoredUsers) {
+            $rows.Add([pscustomobject]@{
+                User = if ($data.TargetDomainName) { "$($data.TargetDomainName)\$failedUser" } else { $failedUser }
+                Computer = $machine
+                StartedAt = $eventRecord.TimeCreated
+                EndedAt = $eventRecord.TimeCreated
+                Duration = [timespan]::Zero
+                DurationMinutes = 0
+                LogonType = [string]$data.LogonType
+                Result = 'Fallida'
+                FailureStatus = "$($data.Status)/$($data.SubStatus)"
+            })
+        }
+        continue
+    }
+
+    if ($eventRecord.Id -eq 4624) {
+        $logonType = [string]$data.LogonType
+        $targetUser = [string]$data.TargetUserName
+        if ($logonType -notin @('2','10','11') -or -not $targetUser -or $targetUser -like '*$' -or
+            $targetUser.ToUpperInvariant() -in $ignoredUsers) {
+            continue
+        }
+        $logonId = [string]$data.TargetLogonId
+        $key = "$machine|$logonId"
+        $openSessions[$key] = [pscustomobject]@{
+            User = if ($data.TargetDomainName) { "$($data.TargetDomainName)\$targetUser" } else { $targetUser }
+            StartedAt = $eventRecord.TimeCreated
+            LogonType = $logonType
+        }
+        continue
+    }
+
+    if ($eventRecord.Id -in 4634,4647) {
+        $logonId = if ($eventRecord.Id -eq 4634) { [string]$data.TargetLogonId } else { [string]$data.SubjectLogonId }
+        $key = "$machine|$logonId"
+        if ($openSessions.ContainsKey($key)) {
+            $session = $openSessions[$key]
+            $rows.Add([pscustomobject]@{
+                User = $session.User
+                Computer = $machine
+                StartedAt = $session.StartedAt
+                EndedAt = $eventRecord.TimeCreated
+                Duration = $eventRecord.TimeCreated - $session.StartedAt
+                DurationMinutes = [math]::Round(($eventRecord.TimeCreated - $session.StartedAt).TotalMinutes, 2)
+                LogonType = $session.LogonType
+                Result = 'Completada'
+                FailureStatus = $null
+            })
+            $openSessions.Remove($key)
+        }
+    }
+}
+
+foreach ($key in $openSessions.Keys) {
+    $session = $openSessions[$key]
+    $machine = ($key -split '\|', 2)[0]
+    $rows.Add([pscustomobject]@{
+        User = $session.User
+        Computer = $machine
+        StartedAt = $session.StartedAt
+        EndedAt = $null
+        Duration = $Until - $session.StartedAt
+        DurationMinutes = [math]::Round(($Until - $session.StartedAt).TotalMinutes, 2)
+        LogonType = $session.LogonType
+        Result = 'Sesión posiblemente activa'
+        FailureStatus = $null
+    })
+}
+
+$result = @($rows | Where-Object {
+    (-not $UserName -or $_.User -like "*$UserName*") -and
+    (-not $ComputerName -or $_.Computer -like "*$ComputerName*")
+} | Sort-Object StartedAt -Descending)
+
+if ($OutputCsv) {
+    $resolvedOutput = [IO.Path]::GetFullPath($OutputCsv)
+    New-Item -ItemType Directory -Path (Split-Path $resolvedOutput -Parent) -Force | Out-Null
+    $result | Export-Csv -LiteralPath $resolvedOutput -NoTypeInformation -Encoding UTF8
+}
+
+$result

scripts/Initialize-SguDomainController.ps1

@@ -10,6 +10,7 @@ param(
     [string]$DomainName = 'lci.lasalle.mx',
     [string]$DomainNetbios = 'LCI',
     [string]$BrokerRecordName = 'sgu-auth',
+    [string]$RustDeskRecordName = 'rustdesk',
     [string]$PackageSharePath = 'C:\Packages',
     [securestring]$SafeModeAdministratorPassword,
     [switch]$SkipRestart,
@@ -313,6 +314,7 @@ if ($Resume -or (-not $ServerIPv4Address -and $existingState)) {
     $DomainName = [string]$existingState.DomainName
     $DomainNetbios = [string]$existingState.DomainNetbios
     $BrokerRecordName = [string]$existingState.BrokerRecordName
+    $RustDeskRecordName = if ($existingState.RustDeskRecordName) { [string]$existingState.RustDeskRecordName } else { $RustDeskRecordName }
     $PackageSharePath = [string]$existingState.PackageSharePath
 }
 
@@ -336,6 +338,7 @@ else {
 $NetworkInterfaceAlias = Resolve-PrivateInterfaceAlias -RequestedAlias $NetworkInterfaceAlias
 $baseDn = Get-DomainBaseDn -DnsDomainName $DomainName
 $brokerDnsName = "$BrokerRecordName.$DomainName"
+$rustDeskDnsName = "$RustDeskRecordName.$DomainName"
 $stagedScriptPath = Join-Path $bootstrapRoot 'Initialize-SguDomainController.ps1'
 $scriptsRoot = Join-Path $bootstrapRoot 'payload\scripts'
 $brokerPublishPath = Join-Path $bootstrapRoot 'payload\broker'
@@ -348,6 +351,16 @@ foreach ($requiredPath in @(
     (Join-Path $scriptsRoot 'Set-SguDomainComputerPolicies.ps1'),
     (Join-Path $scriptsRoot 'Set-SguDomainUserPolicies.ps1'),
     (Join-Path $scriptsRoot 'Enable-SguServerRemoteManagement.ps1'),
+    (Join-Path $scriptsRoot 'Install-SguDomainMonitoring.ps1'),
+    (Join-Path $scriptsRoot 'Install-SguRustDeskClient.ps1'),
+    (Join-Path $scriptsRoot 'Install-SguRustDeskLinuxEnrollment.ps1'),
+    (Join-Path $scriptsRoot 'Install-SguRustDeskServer.ps1'),
+    (Join-Path $scriptsRoot 'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1'),
+    (Join-Path $scriptsRoot 'Invoke-SguMonitoringMaintenance.ps1'),
+    (Join-Path $scriptsRoot 'Get-SguRustDeskDevice.ps1'),
+    (Join-Path $scriptsRoot 'Get-SguUsageReport.ps1'),
+    (Join-Path $scriptsRoot 'Get-SguBrokerLog.ps1'),
+    (Join-Path $scriptsRoot 'Register-SguRustDeskDevice.ps1'),
     (Join-Path $brokerPublishPath 'SGU.AuthBroker.exe'))) {
     if (-not (Test-Path -LiteralPath $requiredPath -PathType Leaf)) {
         throw "The server bootstrap package is incomplete: $requiredPath"
@@ -374,6 +387,7 @@ if (-not $existingState) {
         DomainName = $DomainName
         DomainNetbios = $DomainNetbios
         BrokerRecordName = $BrokerRecordName
+        RustDeskRecordName = $RustDeskRecordName
         PackageSharePath = $PackageSharePath
     }
     [IO.File]::WriteAllText(
@@ -512,6 +526,10 @@ if (-not $remoteDesktopGroup) {
     -RecordName $BrokerRecordName `
     -IPv4Address $ServerIPv4Address `
     -ExternalForwarders $DnsForwarders | Out-Null
+& (Join-Path $scriptsRoot 'Set-LabBrokerDns.ps1') `
+    -ZoneName $DomainName `
+    -RecordName $RustDeskRecordName `
+    -IPv4Address $ServerIPv4Address | Out-Null
 
 $certificateDirectory = Join-Path $bootstrapRoot 'certificates'
 $serverCertificate = Get-ChildItem Cert:\LocalMachine\My |
@@ -606,21 +624,57 @@ else {
             -RemoteAddress $privateSubnet | Out-Null
 }
 
+$collectorFqdn = "$env:COMPUTERNAME.$DomainName"
 & (Join-Path $scriptsRoot 'Set-SguDomainComputerPolicies.ps1') `
-    -TargetOuDn $laboratoryOuDn -DomainController $env:COMPUTERNAME | Out-Null
+    -TargetOuDn $laboratoryOuDn `
+    -DomainController $env:COMPUTERNAME `
+    -EventCollectorFqdn $collectorFqdn | Out-Null
+& (Join-Path $scriptsRoot 'Install-SguDomainMonitoring.ps1') `
+    -CollectorFqdn $collectorFqdn `
+    -ComputerOuDn $laboratoryOuDn `
+    -RetentionDays 183 | Out-Null
 $userPolicyParameters = @{
     TargetOuDn = $usersOuDn
     DomainController = $env:COMPUTERNAME
-}
-$wallpaper = Get-ChildItem -LiteralPath $PackageSharePath -File -ErrorAction SilentlyContinue |
-    Where-Object { $_.BaseName -eq 'wallpaper' -and $_.Extension -in @('.jpg','.jpeg','.png','.bmp') } |
-    Sort-Object Name |
-    Select-Object -First 1
-if ($wallpaper) {
-    $userPolicyParameters.WallpaperPath = "\\$env:COMPUTERNAME\Packages\$($wallpaper.Name)"
+    ClearManagedWallpaper = $true
 }
 & (Join-Path $scriptsRoot 'Set-SguDomainUserPolicies.ps1') @userPolicyParameters | Out-Null
 
+$rustDeskServer = & (Join-Path $scriptsRoot 'Install-SguRustDeskServer.ps1') `
+    -ServerAddress $rustDeskDnsName `
+    -FirewallRemoteAddress $privateSubnet
+$rustDeskManagementRoot = Join-Path $env:ProgramData 'SGU\RustDesk'
+New-Item -ItemType Directory -Path $rustDeskManagementRoot -Force | Out-Null
+foreach ($scriptName in @(
+    'Register-SguRustDeskDevice.ps1',
+    'Get-SguRustDeskDevice.ps1',
+    'Install-SguRustDeskLinuxEnrollment.ps1',
+    'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1')) {
+    Copy-Item -LiteralPath (Join-Path $scriptsRoot $scriptName) `
+        -Destination (Join-Path $rustDeskManagementRoot $scriptName) -Force
+}
+$rustDeskLinuxEnrollment = & (Join-Path $rustDeskManagementRoot 'Install-SguRustDeskLinuxEnrollment.ps1') `
+    -DomainName $DomainName `
+    -ServerAddress $rustDeskDnsName `
+    -ServerPublicKey $rustDeskServer.PublicKey `
+    -ProcessorScriptPath (Join-Path $rustDeskManagementRoot 'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1')
+$rustDeskServerClient = & (Join-Path $scriptsRoot 'Install-SguRustDeskClient.ps1') `
+    -ServerAddress $rustDeskDnsName `
+    -ServerPublicKey $rustDeskServer.PublicKey
+$rustDeskPasswordPointer = [Runtime.InteropServices.Marshal]::SecureStringToBSTR(
+    $rustDeskServerClient.AccessPassword)
+try {
+    $rustDeskPassword = [Runtime.InteropServices.Marshal]::PtrToStringBSTR($rustDeskPasswordPointer)
+    & (Join-Path $rustDeskManagementRoot 'Register-SguRustDeskDevice.ps1') `
+        -ComputerName $env:COMPUTERNAME `
+        -RustDeskId $rustDeskServerClient.RustDeskId `
+        -AccessPassword $rustDeskPassword | Out-Null
+}
+finally {
+    [Runtime.InteropServices.Marshal]::ZeroFreeBSTR($rustDeskPasswordPointer)
+    $rustDeskPassword = $null
+}
+
 $validation = [ordered]@{
     CompletedAt = (Get-Date).ToString('o')
     ComputerName = $env:COMPUTERNAME
@@ -632,6 +686,16 @@ $validation = [ordered]@{
     BrokerPortListening = [bool](Get-NetTCPConnection -LocalPort 8443 -State Listen -ErrorAction SilentlyContinue)
     WinRM = (Get-Service WinRM).Status.ToString()
     RemoteDesktop = (Get-Service TermService).Status.ToString()
+    RustDeskServerAddress = $rustDeskServer.ServerAddress
+    RustDeskHbbsTask = $rustDeskServer.HbbsTask
+    RustDeskHbbrTask = $rustDeskServer.HbbrTask
+    RustDeskHbbsListening = $rustDeskServer.HbbsListening
+    RustDeskHbbrListening = $rustDeskServer.HbbrListening
+    RustDeskLinuxRegistrationTask = (Get-ScheduledTask -TaskName $rustDeskLinuxEnrollment.RegistrationTask).State.ToString()
+    RustDeskServerClientId = $rustDeskServerClient.RustDeskId
+    EventCollector = (Get-Service Wecsvc).Status.ToString()
+    EventSubscription = @(& wecutil.exe enum-subscription) -contains 'SGU-Lab-Monitoring'
+    MonitoringRetentionDays = 183
     PackageShare = "\\$env:COMPUTERNAME\Packages"
     LaboratoryOu = $laboratoryOuDn
     UsersOu = $usersOuDn
@@ -643,7 +707,14 @@ $validation = [ordered]@{
 if ($validation.BrokerService -ne 'Running' -or
     -not $validation.BrokerPortListening -or
     $validation.WinRM -ne 'Running' -or
-    $validation.RemoteDesktop -ne 'Running') {
+    $validation.RemoteDesktop -ne 'Running' -or
+    $validation.RustDeskHbbsTask -ne 'Running' -or
+    $validation.RustDeskHbbrTask -ne 'Running' -or
+    $validation.RustDeskLinuxRegistrationTask -notin @('Ready', 'Running') -or
+    -not $validation.RustDeskHbbsListening -or
+    -not $validation.RustDeskHbbrListening -or
+    $validation.EventCollector -ne 'Running' -or
+    -not $validation.EventSubscription) {
     throw 'Server finalization did not pass service validation. Review bootstrap.log and re-run the bootstrap.'
 }
 

scripts/Install-CredentialProvider.ps1

@@ -35,6 +35,12 @@ $providerRegistryPath = "HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Authent
 $classRegistryPath = "HKLM:\SOFTWARE\Classes\CLSID\$providerClassId\InprocServer32"
 $defaultProviderPolicyPath = 'HKLM:\SOFTWARE\Policies\Microsoft\Windows\System'
 $interactiveLogonPolicyPath = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System'
+$accountPictureSourcePath = Join-Path $PublishPath 'branding\user.png'
+$accountPictureDirectory = Join-Path $env:ProgramData 'Microsoft\User Account Pictures'
+$welcomeWallpaperSourcePath = Join-Path $PublishPath 'branding\darkblue.jpg'
+$welcomeWallpaperScriptSourcePath = Join-Path $PublishPath 'branding\Set-SguWelcomeWallpaper.ps1'
+$welcomeFontsSourcePath = Join-Path $PublishPath 'branding\fonts'
+$welcomeWallpaperDirectory = Join-Path $env:ProgramData 'SGU\Branding'
 
 $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
 $principal = [Security.Principal.WindowsPrincipal]::new($identity)
@@ -56,6 +62,89 @@ function Test-DotNet10Runtime {
     return $false
 }
 
+function Install-DefaultAccountPicture {
+    param([Parameter(Mandatory)][string]$SourcePath)
+
+    if (-not (Test-Path -LiteralPath $SourcePath -PathType Leaf)) {
+        return $false
+    }
+
+    Add-Type -AssemblyName System.Drawing
+    New-Item -ItemType Directory -Path $accountPictureDirectory -Force | Out-Null
+
+    function Save-AccountPicture {
+        param(
+            [Parameter(Mandatory)][Drawing.Image]$Image,
+            [Parameter(Mandatory)][string]$Path,
+            [Parameter(Mandatory)][Drawing.Imaging.ImageFormat]$Format
+        )
+
+        $stream = [IO.MemoryStream]::new()
+        try {
+            $Image.Save($stream, $Format)
+            [IO.File]::WriteAllBytes($Path, $stream.ToArray())
+        }
+        finally {
+            $stream.Dispose()
+        }
+    }
+
+    $source = [Drawing.Image]::FromFile($SourcePath)
+    try {
+        foreach ($size in @(192, 48, 40, 32)) {
+            $bitmap = [Drawing.Bitmap]::new($size, $size)
+            try {
+                $graphics = [Drawing.Graphics]::FromImage($bitmap)
+                try {
+                    $graphics.Clear([Drawing.Color]::Transparent)
+                    $graphics.InterpolationMode = [Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic
+                    $graphics.DrawImage($source, [Drawing.Rectangle]::new(0, 0, $size, $size))
+                    Save-AccountPicture -Image $bitmap `
+                        -Path (Join-Path $accountPictureDirectory "user-$size.png") `
+                        -Format ([Drawing.Imaging.ImageFormat]::Png)
+                }
+                finally {
+                    $graphics.Dispose()
+                }
+            }
+            finally {
+                $bitmap.Dispose()
+            }
+        }
+
+        Save-AccountPicture -Image $source `
+            -Path (Join-Path $accountPictureDirectory 'user.png') `
+            -Format ([Drawing.Imaging.ImageFormat]::Png)
+        Save-AccountPicture -Image $source `
+            -Path (Join-Path $accountPictureDirectory 'user.bmp') `
+            -Format ([Drawing.Imaging.ImageFormat]::Bmp)
+    }
+    finally {
+        $source.Dispose()
+    }
+
+    return $true
+}
+
+function Install-WelcomeWallpaperAssets {
+    if (-not (Test-Path -LiteralPath $welcomeWallpaperSourcePath -PathType Leaf) -or
+        -not (Test-Path -LiteralPath $welcomeWallpaperScriptSourcePath -PathType Leaf)) {
+        return $false
+    }
+
+    New-Item -ItemType Directory -Path $welcomeWallpaperDirectory -Force | Out-Null
+    Copy-Item -LiteralPath $welcomeWallpaperSourcePath `
+        -Destination (Join-Path $welcomeWallpaperDirectory 'darkblue.jpg') -Force
+    Copy-Item -LiteralPath $welcomeWallpaperScriptSourcePath `
+        -Destination (Join-Path $welcomeWallpaperDirectory 'Set-SguWelcomeWallpaper.ps1') -Force
+    if (Test-Path -LiteralPath $welcomeFontsSourcePath -PathType Container) {
+        $fontDestination = Join-Path $welcomeWallpaperDirectory 'fonts'
+        New-Item -ItemType Directory -Path $fontDestination -Force | Out-Null
+        Copy-Item -Path (Join-Path $welcomeFontsSourcePath '*') -Destination $fontDestination -Force
+    }
+    return $true
+}
+
 if (-not (Test-DotNet10Runtime)) {
     if (-not $InstallDotNetRuntime) {
         throw 'Microsoft .NET 10 x64 runtime is required. Re-run with -InstallDotNetRuntime or install it first.'
@@ -166,6 +255,11 @@ if ($PSCmdlet.ShouldProcess($installPath, 'Install and register the SGU Credenti
         [IO.File]::WriteAllText($completeMarker, $packageHash, [Text.UTF8Encoding]::new($false))
     }
 
+    # The domain GPO selects the Windows default account picture. Install its
+    # branded bitmap during enrollment so no per-machine manual setup is needed.
+    Install-DefaultAccountPicture -SourcePath $accountPictureSourcePath | Out-Null
+    Install-WelcomeWallpaperAssets | Out-Null
+
     New-Item -ItemType Directory -Path (Split-Path $settingsPath -Parent) -Force | Out-Null
     $settingsJson = @{
         BrokerEndpoint = $BrokerEndpoint
@@ -254,4 +348,7 @@ catch {
         -LiteralPath $defaultProviderPolicyPath `
         -Name EnumerateLocalUsers) -eq 0
     SystemPasswordProviderPreserved = $true
+    WelcomeWallpaperAssetsInstalled =
+        (Test-Path -LiteralPath (Join-Path $welcomeWallpaperDirectory 'darkblue.jpg') -PathType Leaf) -and
+        (Test-Path -LiteralPath (Join-Path $welcomeWallpaperDirectory 'Set-SguWelcomeWallpaper.ps1') -PathType Leaf)
 }

scripts/Install-SguDomainMonitoring.ps1

@@ -0,0 +1,147 @@
+#Requires -Version 5.1
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [string]$CollectorFqdn = "$env:COMPUTERNAME.$env:USERDNSDOMAIN",
+    [string]$ComputerOuDn = 'OU=Laboratorio,DC=lci,DC=lasalle,DC=mx',
+    [string]$MonitoringRoot = 'C:\ProgramData\SGU\Monitoring',
+    [ValidateRange(30, 730)]
+    [int]$RetentionDays = 183
+)
+
+$ErrorActionPreference = 'Stop'
+$subscriptionId = 'SGU-Lab-Monitoring'
+$maintenanceScriptName = 'Invoke-SguMonitoringMaintenance.ps1'
+$reportScriptName = 'Get-SguUsageReport.ps1'
+$brokerReportScriptName = 'Get-SguBrokerLog.ps1'
+
+$identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+$principal = [Security.Principal.WindowsPrincipal]::new($identity)
+if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+    throw 'Run this script from an elevated Windows PowerShell session on the domain event collector.'
+}
+
+Import-Module ActiveDirectory -ErrorAction Stop
+Get-ADOrganizationalUnit -Identity $ComputerOuDn -ErrorAction Stop | Out-Null
+
+foreach ($requiredScript in $maintenanceScriptName,$reportScriptName,$brokerReportScriptName) {
+    if (-not (Test-Path -LiteralPath (Join-Path $PSScriptRoot $requiredScript) -PathType Leaf)) {
+        throw "$requiredScript must be beside Install-SguDomainMonitoring.ps1."
+    }
+}
+
+if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install the SGU domain monitoring collector')) {
+    Set-Service EventLog -StartupType Automatic
+    if ((Get-Service EventLog).Status -ne 'Running') {
+        Start-Service EventLog
+    }
+    & wecutil.exe quick-config /quiet
+    if ($LASTEXITCODE -ne 0) {
+        throw "wecutil quick-config failed with exit code $LASTEXITCODE."
+    }
+    Set-Service Wecsvc -StartupType Automatic
+    Start-Service Wecsvc
+    & wevtutil.exe set-log ForwardedEvents /enabled:true /maxsize:536870912 /retention:false /autobackup:false
+    if ($LASTEXITCODE -ne 0) {
+        throw "wevtutil failed to configure ForwardedEvents with exit code $LASTEXITCODE."
+    }
+
+    $query = @'
+<QueryList>
+  <Query Id="0">
+    <Select Path="Security">*[System[(EventID=4624 or EventID=4625 or EventID=4634 or EventID=4647 or EventID=4778 or EventID=4779)]]</Select>
+    <Select Path="System">*[System[(EventID=12 or EventID=13 or EventID=41 or EventID=1074 or EventID=6005 or EventID=6006 or EventID=6008)]]</Select>
+  </Query>
+</QueryList>
+'@
+    $escapedQuery = [Security.SecurityElement]::Escape($query)
+    $subscriptionXml = @"
+<?xml version="1.0" encoding="UTF-8"?>
+<Subscription xmlns="http://schemas.microsoft.com/2006/03/windows/events/subscription">
+  <SubscriptionId>$subscriptionId</SubscriptionId>
+  <SubscriptionType>SourceInitiated</SubscriptionType>
+  <Description>SGU interactive sessions, failures, reconnects, and workstation power state.</Description>
+  <Enabled>true</Enabled>
+  <Uri>http://schemas.microsoft.com/wbem/wsman/1/windows/EventLog</Uri>
+  <ConfigurationMode>Custom</ConfigurationMode>
+  <Delivery Mode="Push">
+    <Batching><MaxItems>5</MaxItems><MaxLatencyTime>30000</MaxLatencyTime></Batching>
+    <PushSettings><Heartbeat Interval="60000"/></PushSettings>
+  </Delivery>
+  <Query>$escapedQuery</Query>
+  <ReadExistingEvents>false</ReadExistingEvents>
+  <TransportName>HTTP</TransportName>
+  <ContentFormat>Events</ContentFormat>
+  <Locale Language="es-MX"/>
+  <LogFile>ForwardedEvents</LogFile>
+  <AllowedSourceDomainComputers>O:NSG:NSD:(A;;GA;;;DC)(A;;GA;;;NS)</AllowedSourceDomainComputers>
+</Subscription>
+"@
+
+    New-Item -ItemType Directory -Path $MonitoringRoot -Force | Out-Null
+    $subscriptionPath = Join-Path $MonitoringRoot 'SGU-Lab-Monitoring.xml'
+    [IO.File]::WriteAllText($subscriptionPath, $subscriptionXml, [Text.UTF8Encoding]::new($true))
+    $existingSubscriptions = @(& wecutil.exe enum-subscription 2>$null)
+    if ($existingSubscriptions -contains $subscriptionId) {
+        & wecutil.exe delete-subscription $subscriptionId
+        if ($LASTEXITCODE -ne 0) {
+            throw "Could not replace the existing $subscriptionId subscription."
+        }
+    }
+    & wecutil.exe create-subscription $subscriptionPath
+    if ($LASTEXITCODE -ne 0) {
+        throw "Could not create the $subscriptionId subscription."
+    }
+
+    foreach ($scriptName in $maintenanceScriptName,$reportScriptName,$brokerReportScriptName) {
+        Copy-Item -LiteralPath (Join-Path $PSScriptRoot $scriptName) `
+            -Destination (Join-Path $MonitoringRoot $scriptName) -Force
+    }
+
+    $configuration = [ordered]@{
+        CollectorFqdn = $CollectorFqdn
+        ComputerOuDn = $ComputerOuDn
+        RetentionDays = $RetentionDays
+        SubscriptionId = $subscriptionId
+    }
+    [IO.File]::WriteAllText(
+        (Join-Path $MonitoringRoot 'monitoring.json'),
+        ($configuration | ConvertTo-Json),
+        [Text.UTF8Encoding]::new($false))
+
+    $powerShell = "$env:SystemRoot\System32\WindowsPowerShell\v1.0\powershell.exe"
+    $maintenanceScript = Join-Path $MonitoringRoot $maintenanceScriptName
+    $inventoryAction = New-ScheduledTaskAction -Execute $powerShell -Argument (
+        "-NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -File `"$maintenanceScript`" " +
+        "-MonitoringRoot `"$MonitoringRoot`" -ComputerOuDn `"$ComputerOuDn`" -RetentionDays $RetentionDays -InventoryOnly")
+    $inventoryTrigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) `
+        -RepetitionInterval (New-TimeSpan -Minutes 5) `
+        -RepetitionDuration (New-TimeSpan -Days 3650)
+    $taskSettings = New-ScheduledTaskSettingsSet -StartWhenAvailable `
+        -ExecutionTimeLimit (New-TimeSpan -Minutes 10) -RestartCount 2 `
+        -RestartInterval (New-TimeSpan -Minutes 1)
+    Register-ScheduledTask -TaskName 'SGU-Monitoring-Inventory' -Action $inventoryAction `
+        -Trigger $inventoryTrigger -Settings $taskSettings -User 'SYSTEM' -RunLevel Highest -Force | Out-Null
+
+    $retentionAction = New-ScheduledTaskAction -Execute $powerShell -Argument (
+        "-NoLogo -NoProfile -NonInteractive -ExecutionPolicy Bypass -File `"$maintenanceScript`" " +
+        "-MonitoringRoot `"$MonitoringRoot`" -ComputerOuDn `"$ComputerOuDn`" -RetentionDays $RetentionDays")
+    $retentionTrigger = New-ScheduledTaskTrigger -Daily -At '12:10 AM'
+    Register-ScheduledTask -TaskName 'SGU-Monitoring-Retention' -Action $retentionAction `
+        -Trigger $retentionTrigger -Settings $taskSettings -User 'SYSTEM' -RunLevel Highest -Force | Out-Null
+
+    & $maintenanceScript -MonitoringRoot $MonitoringRoot -ComputerOuDn $ComputerOuDn `
+        -RetentionDays $RetentionDays -InventoryOnly | Out-Null
+}
+
+[pscustomobject]@{
+    Collector = $CollectorFqdn
+    CollectorService = (Get-Service Wecsvc).Status.ToString()
+    SubscriptionId = $subscriptionId
+    SubscriptionEnabled = @(& wecutil.exe enum-subscription) -contains $subscriptionId
+    RetentionDays = $RetentionDays
+    InventoryTask = (Get-ScheduledTask -TaskName 'SGU-Monitoring-Inventory').State
+    RetentionTask = (Get-ScheduledTask -TaskName 'SGU-Monitoring-Retention').State
+    MachineStatusPath = Join-Path $MonitoringRoot 'Reports\machine-status.json'
+    UsageReportCommand = "& '$MonitoringRoot\$reportScriptName'"
+    BrokerLogCommand = "& '$MonitoringRoot\$brokerReportScriptName'"
+}

scripts/Install-SguEnrollmentGuard.ps1

@@ -19,7 +19,9 @@ param(
     [ValidateRange(2, 90)]
     [int]$TimeoutSeconds = 90,
     [string]$RemoteDesktopPrincipal = 'LCI\SG-Laboratorio-Usuarios-RDP',
-    [string]$DotNetRuntimeInstallerPath
+    [string]$DotNetRuntimeInstallerPath,
+    [string]$RustDeskServerAddress,
+    [string]$RustDeskServerPublicKey
 )
 
 $ErrorActionPreference = 'Stop'
@@ -28,6 +30,8 @@ $enrollmentRoot = Join-Path $env:ProgramData 'SGU\Enrollment'
 $sourceScripts = @(
     'Install-CredentialProvider.ps1',
     'Enable-LabRemoteAccess.ps1',
+    'Enable-SguClientMonitoring.ps1',
+    'Install-SguRustDeskClient.ps1',
     'Test-SguClientEnrollment.ps1',
     'Repair-SguClientEnrollment.ps1'
 )
@@ -53,6 +57,10 @@ if ($DotNetRuntimeInstallerPath -and
     -not (Test-Path -LiteralPath $DotNetRuntimeInstallerPath -PathType Leaf)) {
     throw 'DotNetRuntimeInstallerPath does not exist.'
 }
+if ([string]::IsNullOrWhiteSpace($RustDeskServerAddress) -xor
+    [string]::IsNullOrWhiteSpace($RustDeskServerPublicKey)) {
+    throw 'RustDeskServerAddress and RustDeskServerPublicKey must be supplied together.'
+}
 
 if ($PSCmdlet.ShouldProcess($enrollmentRoot, 'Install the SGU enrollment repair guard')) {
     New-Item -ItemType Directory -Path $enrollmentRoot -Force | Out-Null
@@ -87,6 +95,8 @@ if ($PSCmdlet.ShouldProcess($enrollmentRoot, 'Install the SGU enrollment repair
         TimeoutSeconds = $TimeoutSeconds
         RemoteDesktopPrincipal = $RemoteDesktopPrincipal
         DotNetRuntimeInstallerPath = $guardRuntimeInstaller
+        RustDeskServerAddress = $RustDeskServerAddress
+        RustDeskServerPublicKey = $RustDeskServerPublicKey
     }
     $configurationPath = Join-Path $enrollmentRoot 'enrollment.json'
     [IO.File]::WriteAllText(

scripts/Install-SguLinuxRustDeskClient.sh

@@ -0,0 +1,427 @@
+#!/usr/bin/env bash
+# Install-SguLinuxRustDeskClient.sh
+#
+# Installs/configures a RustDesk client on an AD-joined Linux workstation and
+# registers its randomly generated unattended-access credential with the
+# protected inventory on the SGU domain controller.  The credential is never
+# emitted to stdout and is sent to the controller only in an RSA-OAEP envelope.
+
+set -Eeuo pipefail
+IFS=$'\n\t'
+
+DOMAIN_NAME='lci.lasalle.mx'
+REGISTRATION_SHARE=''
+STATE_ROOT='/var/lib/sgu/rustdesk'
+CLIENT_VERSION='1.4.9'
+DOWNLOAD_URI='https://github.com/rustdesk/rustdesk/releases/download/1.4.9/rustdesk-1.4.9-x86_64.deb'
+EXPECTED_SHA256='7244BA47C40E804172044BFBE659467C54CE46554C98E78C8C0406F1D612FDA3'
+
+usage() {
+    cat <<'EOF'
+Usage:
+  sudo ./Install-SguLinuxRustDeskClient.sh [options]
+
+Options:
+  --domain-name VALUE             AD DNS domain (default: lci.lasalle.mx).
+  --registration-share UNC        SMB enrollment share. Defaults to the first
+                                  AD domain controller's SGU RustDesk share.
+  --state-root PATH               Root-owned local RustDesk state directory.
+  --help                          Show this help.
+
+The computer must already be joined to Active Directory.  The script uses the
+machine keytab to authenticate to the enrollment share, configures the
+self-hosted RustDesk server, creates an unattended-access password, and waits
+for the controller to confirm protected inventory registration.
+EOF
+}
+
+fail() {
+    printf 'ERROR: %s\n' "$*" >&2
+    exit 1
+}
+
+need_command() {
+    command -v "$1" >/dev/null 2>&1 || fail "Required command is unavailable: $1"
+}
+
+apt_get_with_retry() {
+    local attempt
+    for attempt in $(seq 1 60); do
+        if apt-get "$@"; then
+            return 0
+        fi
+        if fuser /var/lib/dpkg/lock-frontend /var/lib/dpkg/lock /var/lib/apt/lists/lock \
+            >/dev/null 2>&1; then
+            printf 'Waiting for another package operation before retrying apt-get %s.\n' "$1" >&2
+            sleep 5
+            continue
+        fi
+        fail "apt-get $1 failed for a reason other than a temporary package lock."
+    done
+    fail 'Timed out waiting for another package operation to finish.'
+}
+
+while (($#)); do
+    case "$1" in
+        --domain-name) DOMAIN_NAME=${2:?Missing value for --domain-name}; shift 2 ;;
+        --registration-share) REGISTRATION_SHARE=${2:?Missing value for --registration-share}; shift 2 ;;
+        --state-root) STATE_ROOT=${2:?Missing value for --state-root}; shift 2 ;;
+        --help|-h) usage; exit 0 ;;
+        *) fail "Unknown argument: $1. Use --help for usage." ;;
+    esac
+done
+
+[[ ${EUID} -eq 0 ]] || fail 'Run this command with sudo or as root.'
+[[ -r /etc/krb5.keytab ]] || fail 'The AD machine keytab is missing. Join the computer to the domain first.'
+
+install_prerequisites() {
+    if command -v apt-get >/dev/null 2>&1; then
+        export DEBIAN_FRONTEND=noninteractive
+        apt_get_with_retry update
+        apt_get_with_retry install -y curl openssl smbclient dnsutils
+        return
+    fi
+    if command -v dnf >/dev/null 2>&1; then
+        dnf install -y curl openssl samba-client bind-utils
+        return
+    fi
+    fail 'RustDesk enrollment supports apt-get (Debian/Ubuntu) and dnf (RHEL/Fedora/Rocky/AlmaLinux).'
+}
+
+resolve_registration_share() {
+    if [[ -n $REGISTRATION_SHARE ]]; then
+        return
+    fi
+
+    local controller
+    controller=$(host -t SRV "_ldap._tcp.dc._msdcs.${DOMAIN_NAME}" 2>/dev/null |
+        awk '/SRV record/ { print $NF; exit }' | sed 's/\.$//')
+    [[ -n $controller ]] || controller=$DOMAIN_NAME
+    REGISTRATION_SHARE="//${controller}/SGU-RustDesk-Enrollment$"
+}
+
+initialize_machine_kerberos() {
+    local principal
+    # adcli places the machine-account principal in the keytab.  Prefer it to
+    # host/FQDN: some AD deployments retain the latter locally even when its
+    # SPN is not accepted by the KDC for an initial ticket request.
+    principal=$(klist -k /etc/krb5.keytab 2>/dev/null |
+        awk '$NF ~ /^[^/@]+\$@/ { print $NF; exit }')
+    if [[ -z $principal ]]; then
+        principal=$(klist -k /etc/krb5.keytab 2>/dev/null |
+            awk '$NF ~ /^host\// { print $NF; exit }')
+    fi
+    [[ -n $principal ]] || fail 'No host principal was found in /etc/krb5.keytab.'
+
+    KRB5CCNAME="FILE:${STATE_ROOT}/machine-krb5cc"
+    export KRB5CCNAME
+    rm -f -- "${KRB5CCNAME#FILE:}"
+    kinit -k -t /etc/krb5.keytab "$principal"
+}
+
+smb_get() {
+    local remote_name=$1
+    local local_path=$2
+    smbclient --use-kerberos=required -N "$REGISTRATION_SHARE" \
+        -c "get ${remote_name} ${local_path}" >/dev/null
+}
+
+smb_put() {
+    local local_path=$1
+    local remote_name=$2
+    smbclient --use-kerberos=required -N "$REGISTRATION_SHARE" \
+        -c "put ${local_path} ${remote_name}" >/dev/null
+}
+
+install_rustdesk() {
+    local installer_path="${STATE_ROOT}/rustdesk-${CLIENT_VERSION}-x86_64.deb"
+    local installed_version=''
+    if command -v rustdesk >/dev/null 2>&1; then
+        installed_version=$(rustdesk --version 2>/dev/null | head -n 1 || true)
+    fi
+
+    if [[ $installed_version != *"${CLIENT_VERSION}"* ]]; then
+        curl --fail --location --proto '=https' --tlsv1.2 \
+            --output "$installer_path" "$DOWNLOAD_URI"
+        local actual_hash
+        actual_hash=$(sha256sum "$installer_path" | awk '{ print toupper($1) }')
+        [[ $actual_hash == "$EXPECTED_SHA256" ]] || fail 'RustDesk package SHA-256 verification failed.'
+
+        if command -v apt-get >/dev/null 2>&1; then
+            dpkg -i "$installer_path" || apt_get_with_retry install -f -y
+        else
+            fail 'The pinned RustDesk package is currently provided as a Debian package only.'
+        fi
+    fi
+
+    need_command rustdesk
+    systemctl enable rustdesk
+}
+
+read_server_configuration() {
+    local configuration_path="${STATE_ROOT}/rustdesk-client.json"
+    smb_get 'rustdesk-client.json' "$configuration_path"
+
+    RUSTDESK_SERVER_ADDRESS=$(python3 - "$configuration_path" <<'PY'
+import json
+import sys
+with open(sys.argv[1], encoding='utf-8') as source:
+    value = json.load(source)
+address = value.get('ServerAddress', '')
+key = value.get('ServerPublicKey', '')
+if not isinstance(address, str) or not isinstance(key, str) or not address or not key:
+    raise SystemExit('The controller RustDesk configuration is incomplete.')
+print(address)
+PY
+)
+    RUSTDESK_SERVER_PUBLIC_KEY=$(python3 - "$configuration_path" <<'PY'
+import json
+import sys
+with open(sys.argv[1], encoding='utf-8') as source:
+    print(json.load(source)['ServerPublicKey'])
+PY
+)
+}
+
+configure_rustdesk() {
+    local configuration
+    configuration=$(cat <<EOF
+rendezvous_server = '${RUSTDESK_SERVER_ADDRESS}:21116'
+nat_type = 1
+serial = 0
+
+[options]
+custom-rendezvous-server = '${RUSTDESK_SERVER_ADDRESS}:21116'
+relay-server = '${RUSTDESK_SERVER_ADDRESS}:21117'
+key = '${RUSTDESK_SERVER_PUBLIC_KEY}'
+verification-method = 'use-permanent-password'
+approve-mode = 'password'
+EOF
+)
+
+    # The service starts as root but RustDesk hands its graphical server to the
+    # LightDM session account.  Configure both profiles; writing only root's
+    # profile leaves the greeter-side server using a temporary password.
+    install -d -o root -g root -m 700 /root/.config/rustdesk /etc/rustdesk
+    printf '%s\n' "$configuration" | install -o root -g root -m 600 /dev/stdin \
+        /root/.config/rustdesk/RustDesk2.toml
+    printf '%s\n' "$configuration" | install -o root -g root -m 644 /dev/stdin \
+        /etc/rustdesk/RustDesk2.toml
+    if id lightdm >/dev/null 2>&1; then
+        install -d -o lightdm -g lightdm -m 700 /var/lib/lightdm/.config/rustdesk
+        printf '%s\n' "$configuration" | install -o lightdm -g lightdm -m 600 /dev/stdin \
+            /var/lib/lightdm/.config/rustdesk/RustDesk2.toml
+    fi
+
+    systemctl restart rustdesk
+    systemctl is-active --quiet rustdesk || fail 'The RustDesk service did not start.'
+    wait_for_rustdesk_server
+}
+
+configure_x11_login_screen() {
+    local display_manager=''
+    local configuration_changed=false
+    local configuration_path=''
+    local temporary_configuration=''
+
+    if [[ -L /etc/systemd/system/display-manager.service ]]; then
+        display_manager=$(basename "$(readlink -f /etc/systemd/system/display-manager.service)")
+    fi
+
+    case "$display_manager" in
+        gdm3.service|gdm.service)
+            # Ubuntu exposes the unit as gdm.service on some releases while
+            # the package still reads /etc/gdm3/custom.conf. Prefer the
+            # distribution-specific directory instead of inferring it only
+            # from the unit name.
+            if [[ -d /etc/gdm3 || -f /etc/gdm3/custom.conf ]]; then
+                configuration_path='/etc/gdm3/custom.conf'
+            else
+                configuration_path='/etc/gdm/custom.conf'
+            fi
+            install -d -o root -g root -m 755 "$(dirname "$configuration_path")"
+            [[ -f $configuration_path ]] || printf '[daemon]\n' >"$configuration_path"
+            temporary_configuration=$(mktemp)
+            python3 - "$configuration_path" "$temporary_configuration" <<'PY'
+import re
+import sys
+from pathlib import Path
+
+source = Path(sys.argv[1])
+destination = Path(sys.argv[2])
+lines = source.read_text(encoding='utf-8').splitlines()
+daemon_start = None
+daemon_end = len(lines)
+for index, line in enumerate(lines):
+    if re.match(r'^\s*\[daemon\]\s*$', line, re.IGNORECASE):
+        daemon_start = index
+        continue
+    if daemon_start is not None and index > daemon_start and re.match(r'^\s*\[[^]]+\]\s*$', line):
+        daemon_end = index
+        break
+
+if daemon_start is None:
+    if lines and lines[-1]:
+        lines.append('')
+    lines.extend(['[daemon]', 'WaylandEnable=false'])
+else:
+    setting = re.compile(r'^\s*[#;]?\s*WaylandEnable\s*=.*$', re.IGNORECASE)
+    for index in range(daemon_start + 1, daemon_end):
+        if setting.match(lines[index]):
+            lines[index] = 'WaylandEnable=false'
+            break
+    else:
+        lines.insert(daemon_end, 'WaylandEnable=false')
+
+destination.write_text('\n'.join(lines) + '\n', encoding='utf-8')
+PY
+            if ! cmp -s "$temporary_configuration" "$configuration_path"; then
+                install -o root -g root -m 644 "$temporary_configuration" "$configuration_path"
+                configuration_changed=true
+            fi
+            rm -f "$temporary_configuration"
+            ;;
+        sddm.service)
+            configuration_path='/etc/sddm.conf.d/91-sgu-rustdesk-x11.conf'
+            install -d -o root -g root -m 755 "$(dirname "$configuration_path")"
+            temporary_configuration=$(mktemp)
+            printf '%s\n' '[General]' 'DisplayServer=x11' >"$temporary_configuration"
+            if ! cmp -s "$temporary_configuration" "$configuration_path"; then
+                install -o root -g root -m 644 "$temporary_configuration" "$configuration_path"
+                configuration_changed=true
+            fi
+            rm -f "$temporary_configuration"
+            ;;
+        lightdm.service)
+            # LightDM's greeter already runs on X11, which RustDesk supports.
+            ;;
+        *)
+            printf 'WARNING: Could not identify a supported display manager; RustDesk login-screen access may require X11 configuration.\n' >&2
+            ;;
+    esac
+
+    if [[ $configuration_changed == true ]]; then
+        printf 'RustDesk login-screen support was configured for X11; reboot after enrollment to activate it.\n'
+    fi
+}
+
+wait_for_rustdesk_server() {
+    local attempt
+    local candidate_id
+
+    # `systemctl is-active` only confirms that the launcher is alive.  On Linux
+    # it still needs to start the `--server` process for the greeter account.
+    # Calling `rustdesk --password` during that short window returns successfully
+    # but does not persist a password for the remote-access process.
+    for attempt in $(seq 1 20); do
+        if systemctl is-active --quiet rustdesk \
+            && pgrep -f '/usr/share/rustdesk/rustdesk --server' >/dev/null 2>&1; then
+            candidate_id=$(rustdesk --get-id 2>/dev/null | tail -n 1 | tr -d '[:space:]')
+            if [[ $candidate_id =~ ^[0-9]+$ ]]; then
+                RUSTDESK_ID=$candidate_id
+                return
+            fi
+        fi
+        sleep 1
+    done
+
+    fail 'The RustDesk greeter-side server did not become ready within 20 seconds.'
+}
+
+set_access_password() {
+    local secret_path="${STATE_ROOT}/access.secret"
+    if [[ -r $secret_path ]] && [[ $(wc -c <"$secret_path") -le 32 ]]; then
+        ACCESS_PASSWORD=$(<"$secret_path")
+    else
+        # RustDesk's permanent-password UI is reliable with a short, printable
+        # credential.  Earlier Linux enrollment generated 48 hexadecimal
+        # characters; rotate that legacy value to a 24-character password.
+        ACCESS_PASSWORD="Sgu-$(openssl rand -hex 10)"
+        umask 077
+        printf '%s' "$ACCESS_PASSWORD" >"$secret_path"
+        chmod 600 "$secret_path"
+    fi
+
+    local password_result
+    wait_for_rustdesk_server
+    password_result=$(rustdesk --password "$ACCESS_PASSWORD" 2>&1) \
+        || fail "RustDesk rejected the permanent password update: $password_result"
+    [[ $password_result == *Done!* ]] \
+        || fail "RustDesk did not acknowledge the permanent password update: $password_result"
+    rustdesk --option verification-method use-permanent-password >/dev/null
+    rustdesk --option approve-mode password >/dev/null
+    systemctl restart rustdesk
+    systemctl is-active --quiet rustdesk || fail 'The RustDesk service did not restart after setting its permanent password.'
+    wait_for_rustdesk_server
+}
+
+register_with_controller() {
+    local certificate_path="${STATE_ROOT}/registration-public.cer"
+    local public_key_path="${STATE_ROOT}/registration-public.pem"
+    local request_path="${STATE_ROOT}/registration.request"
+    local encrypted_request_path="${STATE_ROOT}/registration.request.enc"
+    local result_path="${STATE_ROOT}/registration.result.json"
+    local request_id
+    request_id=$(cat /proc/sys/kernel/random/uuid)
+    local computer_name
+    computer_name=$(hostname -s | tr '[:lower:]' '[:upper:]')
+    [[ $computer_name =~ ^[A-Z0-9][A-Z0-9-]{0,62}$ ]] || fail 'The Linux computer name is not valid for RustDesk inventory.'
+
+    smb_get 'registration-public.cer' "$certificate_path"
+    openssl x509 -inform DER -in "$certificate_path" -pubkey -noout >"$public_key_path"
+    chmod 600 "$public_key_path"
+
+    # AccessPassword is hexadecimal and the other values are constrained, so
+    # this compact JSON is safe to construct without echoing sensitive data.
+    printf '{"ComputerName":"%s","RustDeskId":"%s","AccessPassword":"%s","RequestId":"%s"}' \
+        "$computer_name" "$RUSTDESK_ID" "$ACCESS_PASSWORD" "$request_id" >"$request_path"
+    openssl pkeyutl -encrypt -pubin -inkey "$public_key_path" \
+        -pkeyopt rsa_padding_mode:oaep -pkeyopt rsa_oaep_md:sha256 \
+        -in "$request_path" -out "$encrypted_request_path"
+    chmod 600 "$request_path" "$encrypted_request_path"
+
+    local remote_request="${computer_name}-${request_id}.request"
+    smb_put "$encrypted_request_path" "Requests/${remote_request}"
+
+    local attempt=0
+    while ((attempt < 18)); do
+        rm -f -- "$result_path"
+        if smb_get "Requests/${request_id}.result.json" "$result_path" 2>/dev/null; then
+            python3 - "$result_path" "$computer_name" "$RUSTDESK_ID" <<'PY'
+import json
+import sys
+with open(sys.argv[1], encoding='utf-8') as source:
+    result = json.load(source)
+if result.get('Status') != 'Registered':
+    raise SystemExit(result.get('Error', 'The controller rejected the RustDesk registration.'))
+if result.get('ComputerName') != sys.argv[2] or result.get('RustDeskId') != sys.argv[3]:
+    raise SystemExit('The controller response did not match this computer or RustDesk ID.')
+PY
+            rm -f -- "$request_path" "$encrypted_request_path" "$public_key_path" "$certificate_path" "$result_path"
+            return
+        fi
+        sleep 5
+        ((attempt+=1))
+    done
+    fail 'RustDesk was configured locally, but the domain controller did not confirm inventory registration within 90 seconds.'
+}
+
+install -d -o root -g root -m 700 "$STATE_ROOT"
+trap 'if [[ -n ${KRB5CCNAME:-} ]]; then rm -f -- "${KRB5CCNAME#FILE:}"; fi' EXIT
+install_prerequisites
+resolve_registration_share
+initialize_machine_kerberos
+install_rustdesk
+read_server_configuration
+configure_x11_login_screen
+configure_rustdesk
+set_access_password
+register_with_controller
+
+device_path="${STATE_ROOT}/device.json"
+printf '{"ComputerName":"%s","RustDeskId":"%s","ServerAddress":"%s","ConfiguredAt":"%s"}\n' \
+    "$(hostname -s | tr '[:lower:]' '[:upper:]')" "$RUSTDESK_ID" "$RUSTDESK_SERVER_ADDRESS" \
+    "$(date --iso-8601=seconds)" >"$device_path"
+chmod 600 "$device_path"
+
+printf 'RustDesk enrollment completed. ID: %s\n' "$RUSTDESK_ID"

scripts/Install-SguRustDeskClient.ps1

@@ -0,0 +1,356 @@
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9][A-Za-z0-9.-]*$')]
+    [string]$ServerAddress,
+
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9+/=]+$')]
+    [string]$ServerPublicKey,
+
+    [securestring]$AccessPassword,
+    [string]$InstallRoot = "$env:ProgramFiles\RustDesk",
+    [string]$StateRoot = "$env:ProgramData\SGU\RustDesk\Client",
+    [string]$ClientVersion = '1.4.9',
+    [uri]$DownloadUri = 'https://github.com/rustdesk/rustdesk/releases/download/1.4.9/rustdesk-1.4.9-x86_64.msi',
+    [ValidatePattern('^[A-Fa-f0-9]{64}$')]
+    [string]$ExpectedSha256 = 'C87D2F4CEF2A5ACD6003B6507DCFBF5D5168A256DB082CD90B54D35193224AAA'
+)
+
+$ErrorActionPreference = 'Stop'
+$ProgressPreference = 'SilentlyContinue'
+$downloadRoot = Join-Path $env:ProgramData 'SGU\RustDesk\Downloads'
+$installerPath = Join-Path $downloadRoot "rustdesk-$ClientVersion-x86_64.msi"
+$installerLogPath = Join-Path $downloadRoot "rustdesk-$ClientVersion-install.log"
+$secretPath = Join-Path $StateRoot 'access.secret'
+$devicePath = Join-Path $StateRoot 'device.json'
+
+function Assert-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = [Security.Principal.WindowsPrincipal]::new($identity)
+    if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        throw 'Run this script from an elevated Windows PowerShell session.'
+    }
+}
+
+function Initialize-DataProtection {
+    if (-not ('SguRustDeskDataProtection' -as [type])) {
+        Add-Type -TypeDefinition @'
+using System;
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+
+public static class SguRustDeskDataProtection {
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+    private struct DataBlob { public int cbData; public IntPtr pbData; }
+
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptProtectData(ref DataBlob input, string description,
+        IntPtr optionalEntropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptUnprotectData(ref DataBlob input, IntPtr description,
+        IntPtr optionalEntropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+
+    [DllImport("kernel32.dll", SetLastError = true)]
+    private static extern IntPtr LocalFree(IntPtr memory);
+
+    private const int CryptProtectLocalMachine = 0x4;
+
+    private static DataBlob ToBlob(byte[] value) {
+        var blob = new DataBlob { cbData = value.Length, pbData = IntPtr.Zero };
+        if (value.Length > 0) {
+            blob.pbData = Marshal.AllocHGlobal(value.Length);
+            Marshal.Copy(value, 0, blob.pbData, value.Length);
+        }
+        return blob;
+    }
+
+    private static byte[] FromBlob(DataBlob blob) {
+        var value = new byte[blob.cbData];
+        if (blob.cbData > 0) Marshal.Copy(blob.pbData, value, 0, blob.cbData);
+        return value;
+    }
+
+    public static byte[] Protect(byte[] value) {
+        var input = ToBlob(value); var output = new DataBlob();
+        try {
+            if (!CryptProtectData(ref input, null, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero,
+                    CryptProtectLocalMachine, out output)) {
+                throw new Win32Exception(Marshal.GetLastWin32Error());
+            }
+            return FromBlob(output);
+        } finally {
+            if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData);
+            if (output.pbData != IntPtr.Zero) LocalFree(output.pbData);
+        }
+    }
+
+    public static byte[] Unprotect(byte[] value) {
+        var input = ToBlob(value); var output = new DataBlob();
+        try {
+            if (!CryptUnprotectData(ref input, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero,
+                    0, out output)) {
+                throw new Win32Exception(Marshal.GetLastWin32Error());
+            }
+            return FromBlob(output);
+        } finally {
+            if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData);
+            if (output.pbData != IntPtr.Zero) LocalFree(output.pbData);
+        }
+    }
+}
+'@ -ErrorAction Stop
+    }
+}
+
+function Set-PrivateDirectoryAcl {
+    param([Parameter(Mandatory)][string]$Path)
+
+    New-Item -ItemType Directory -Path $Path -Force | Out-Null
+    $acl = New-Object Security.AccessControl.DirectorySecurity
+    $acl.SetAccessRuleProtection($true, $false)
+    $inheritance = [Security.AccessControl.InheritanceFlags]'ContainerInherit,ObjectInherit'
+    $allow = [Security.AccessControl.AccessControlType]::Allow
+    foreach ($sid in @('S-1-5-18', 'S-1-5-32-544')) {
+        $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
+            [Security.Principal.SecurityIdentifier]::new($sid),
+            [Security.AccessControl.FileSystemRights]::FullControl,
+            $inheritance,
+            [Security.AccessControl.PropagationFlags]::None,
+            $allow))
+    }
+    Set-Acl -LiteralPath $Path -AclObject $acl
+}
+
+function ConvertTo-PlainText {
+    param([Parameter(Mandatory)][securestring]$SecureString)
+
+    $pointer = [Runtime.InteropServices.Marshal]::SecureStringToBSTR($SecureString)
+    try {
+        return [Runtime.InteropServices.Marshal]::PtrToStringBSTR($pointer)
+    }
+    finally {
+        [Runtime.InteropServices.Marshal]::ZeroFreeBSTR($pointer)
+    }
+}
+
+function New-RandomAccessPassword {
+    $characters = 'ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz23456789!@#$%*+-_'.ToCharArray()
+    $bytes = New-Object byte[] 24
+    $rng = [Security.Cryptography.RandomNumberGenerator]::Create()
+    try {
+        $rng.GetBytes($bytes)
+    }
+    finally {
+        $rng.Dispose()
+    }
+    $value = -join ($bytes | ForEach-Object { $characters[$_ % $characters.Length] })
+    return (ConvertTo-SecureString -String $value -AsPlainText -Force)
+}
+
+function Save-AccessPassword {
+    param([Parameter(Mandatory)][securestring]$Password)
+
+    $plainText = ConvertTo-PlainText -SecureString $Password
+    try {
+        $cipherText = [SguRustDeskDataProtection]::Protect(
+            [Text.Encoding]::UTF8.GetBytes($plainText))
+        [IO.File]::WriteAllBytes($secretPath, $cipherText)
+    }
+    finally {
+        $plainText = $null
+    }
+}
+
+function Get-SavedAccessPassword {
+    if (-not (Test-Path -LiteralPath $secretPath -PathType Leaf)) {
+        return $null
+    }
+    $plainText = [Text.Encoding]::UTF8.GetString(
+        [SguRustDeskDataProtection]::Unprotect(
+            [IO.File]::ReadAllBytes($secretPath)))
+    try {
+        return (ConvertTo-SecureString -String $plainText -AsPlainText -Force)
+    }
+    finally {
+        $plainText = $null
+    }
+}
+
+function Assert-FileHash {
+    param(
+        [Parameter(Mandatory)][string]$Path,
+        [Parameter(Mandatory)][string]$ExpectedHash
+    )
+
+    $actualHash = (Get-FileHash -LiteralPath $Path -Algorithm SHA256).Hash
+    if (-not $actualHash.Equals($ExpectedHash, [StringComparison]::OrdinalIgnoreCase)) {
+        throw "SHA-256 verification failed for $Path."
+    }
+}
+
+function Test-TcpConnection {
+    param([Parameter(Mandatory)][string]$HostName, [Parameter(Mandatory)][int]$Port)
+
+    $client = [Net.Sockets.TcpClient]::new()
+    try {
+        $connect = $client.BeginConnect($HostName, $Port, $null, $null)
+        if (-not $connect.AsyncWaitHandle.WaitOne(5000)) {
+            return $false
+        }
+        $client.EndConnect($connect)
+        return $true
+    }
+    catch {
+        return $false
+    }
+    finally {
+        $client.Dispose()
+    }
+}
+
+Assert-Administrator
+Initialize-DataProtection
+if (-not $PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and configure the managed RustDesk client')) {
+    return
+}
+
+Set-PrivateDirectoryAcl -Path $StateRoot
+New-Item -ItemType Directory -Path $downloadRoot -Force | Out-Null
+$rustDeskExecutable = Join-Path $InstallRoot 'RustDesk.exe'
+$installedVersion = if (Test-Path -LiteralPath $rustDeskExecutable -PathType Leaf) {
+    [string](Get-Item -LiteralPath $rustDeskExecutable).VersionInfo.ProductVersion
+}
+else {
+    ''
+}
+if (-not $installedVersion.StartsWith($ClientVersion, [StringComparison]::OrdinalIgnoreCase)) {
+    if (-not (Test-Path -LiteralPath $installerPath -PathType Leaf) -or
+        (Get-FileHash -LiteralPath $installerPath -Algorithm SHA256).Hash -ne $ExpectedSha256) {
+        Invoke-WebRequest -Uri $DownloadUri -OutFile $installerPath -UseBasicParsing
+    }
+    Assert-FileHash -Path $installerPath -ExpectedHash $ExpectedSha256
+    # The vendor's MSI is the supported path for managed, silent Windows
+    # deployment.  Unlike the GUI-oriented EXE it does not require an
+    # interactive desktop, which matters for startup/bootstrap execution.
+    $msiArguments = "/i `"$installerPath`" /qn /norestart " +
+        "INSTALLFOLDER=`"$InstallRoot`" CREATESTARTMENUSHORTCUTS=`"N`" " +
+        "CREATEDESKTOPSHORTCUTS=`"N`" INSTALLPRINTER=`"N`" /l*v `"$installerLogPath`""
+    $installer = Start-Process -FilePath (Join-Path $env:WINDIR 'System32\msiexec.exe') `
+        -ArgumentList $msiArguments -Wait -PassThru
+    if ($installer.ExitCode -notin @(0, 3010)) {
+        throw "RustDesk MSI installation failed with exit code $($installer.ExitCode). See $installerLogPath."
+    }
+}
+
+if (-not (Test-Path -LiteralPath $rustDeskExecutable -PathType Leaf)) {
+    throw "RustDesk installation did not create $rustDeskExecutable."
+}
+
+$rustDeskService = Get-Service -Name 'RustDesk' -ErrorAction SilentlyContinue
+if (-not $rustDeskService) {
+    $serviceInstaller = Start-Process -FilePath $rustDeskExecutable -ArgumentList '--install-service' `
+        -Wait -PassThru
+    if ($serviceInstaller.ExitCode -ne 0) {
+        throw "RustDesk service installation failed with exit code $($serviceInstaller.ExitCode)."
+    }
+    Start-Sleep -Seconds 2
+    $rustDeskService = Get-Service -Name 'RustDesk' -ErrorAction SilentlyContinue
+}
+if (-not $rustDeskService) {
+    throw 'RustDesk did not register its Windows service.'
+}
+
+Set-Service -Name $rustDeskService.Name -StartupType Automatic
+if ($rustDeskService.Status -ne 'Stopped') {
+    Stop-Service -Name $rustDeskService.Name -Force
+    $rustDeskService.WaitForStatus('Stopped', (New-TimeSpan -Seconds 20))
+}
+
+$rendezvousAddress = "$ServerAddress`:21116"
+$relayAddress = "$ServerAddress`:21117"
+$configuration = @"
+rendezvous_server = '$rendezvousAddress'
+nat_type = 1
+serial = 0
+
+[options]
+custom-rendezvous-server = '$rendezvousAddress'
+relay-server = '$relayAddress'
+key = '$ServerPublicKey'
+"@
+$configurationPaths = @(
+    (Join-Path $env:ProgramData 'RustDesk\config\RustDesk2.toml'),
+    (Join-Path $env:WINDIR 'ServiceProfiles\LocalService\AppData\Roaming\RustDesk\config\RustDesk2.toml'),
+    (Join-Path $env:WINDIR 'System32\config\systemprofile\AppData\Roaming\RustDesk\config\RustDesk2.toml'),
+    (Join-Path $env:SystemDrive 'Users\Default\AppData\Roaming\RustDesk\config\RustDesk2.toml')
+)
+foreach ($configurationPath in $configurationPaths) {
+    New-Item -ItemType Directory -Path (Split-Path $configurationPath -Parent) -Force | Out-Null
+    [IO.File]::WriteAllText($configurationPath, $configuration, [Text.UTF8Encoding]::new($false))
+}
+
+$existingPassword = Get-SavedAccessPassword
+if ($AccessPassword) {
+    $managedPassword = $AccessPassword
+    Save-AccessPassword -Password $managedPassword
+    $passwordWasGenerated = $false
+}
+elseif ($existingPassword) {
+    $managedPassword = $existingPassword
+    $passwordWasGenerated = $false
+}
+else {
+    $managedPassword = New-RandomAccessPassword
+    Save-AccessPassword -Password $managedPassword
+    $passwordWasGenerated = $true
+}
+
+Start-Service -Name $rustDeskService.Name
+$rustDeskService = Get-Service -Name $rustDeskService.Name
+$rustDeskService.WaitForStatus('Running', (New-TimeSpan -Seconds 20))
+
+$plainPassword = ConvertTo-PlainText -SecureString $managedPassword
+try {
+    # RustDesk on Windows only reliably treats its CLI output path as a command
+    # invocation when stdout is consumed.  Without the pipeline it can attach
+    # to the GUI instance and leave a non-interactive bootstrap waiting.
+    $null = & $rustDeskExecutable --password $plainPassword | Out-String
+    if ($LASTEXITCODE -ne 0) {
+        throw "RustDesk could not set the managed access password (exit code $LASTEXITCODE)."
+    }
+}
+finally {
+    $plainPassword = $null
+}
+
+$rustDeskId = ((& $rustDeskExecutable --get-id | Out-String).Trim() -split "`r?`n" |
+    Select-Object -Last 1).Trim()
+if ($rustDeskId -notmatch '^\d+$') {
+    throw "RustDesk returned an invalid device ID: $rustDeskId"
+}
+if (-not (Test-TcpConnection -HostName $ServerAddress -Port 21116)) {
+    throw "The RustDesk rendezvous server $rendezvousAddress is not reachable from this client."
+}
+
+$device = [ordered]@{
+    ComputerName = $env:COMPUTERNAME
+    RustDeskId = $rustDeskId
+    ServerAddress = $ServerAddress
+    ServerPublicKeySha256 = ([Security.Cryptography.SHA256]::Create().ComputeHash(
+        [Text.Encoding]::UTF8.GetBytes($ServerPublicKey)) | ForEach-Object ToString x2) -join ''
+    ConfiguredAt = (Get-Date).ToString('o')
+}
+[IO.File]::WriteAllText($devicePath, ($device | ConvertTo-Json), [Text.UTF8Encoding]::new($false))
+
+[pscustomobject]@{
+    RustDeskId = $rustDeskId
+    ServerAddress = $ServerAddress
+    ServiceName = $rustDeskService.Name
+    ServiceStatus = (Get-Service -Name $rustDeskService.Name).Status.ToString()
+    RendezvousReachable = $true
+    AccessPassword = $managedPassword
+    AccessPasswordWasGenerated = $passwordWasGenerated
+    DevicePath = $devicePath
+}

scripts/Install-SguRustDeskLinuxEnrollment.ps1

@@ -0,0 +1,128 @@
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9][A-Za-z0-9.-]*$')]
+    [string]$DomainName,
+
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9][A-Za-z0-9.-]*$')]
+    [string]$ServerAddress,
+
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9+/=]+$')]
+    [string]$ServerPublicKey,
+
+    [string]$RegistrationShareName = 'SGU-RustDesk-Enrollment$',
+    [string]$DataRoot = "$env:ProgramData\SGU\RustDesk\LinuxEnrollment",
+    [string]$ProcessorScriptPath = (Join-Path $PSScriptRoot 'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1')
+)
+
+$ErrorActionPreference = 'Stop'
+
+function Assert-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = [Security.Principal.WindowsPrincipal]::new($identity)
+    if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        throw 'Only a local administrator can install Linux RustDesk enrollment.'
+    }
+}
+
+function Get-EnrollmentCertificate {
+    param([Parameter(Mandatory)][string]$FriendlyName)
+
+    $certificate = Get-ChildItem -Path Cert:\LocalMachine\My |
+        Where-Object FriendlyName -eq $FriendlyName |
+        Where-Object HasPrivateKey |
+        Select-Object -First 1
+    if (-not $certificate) {
+        $certificate = New-SelfSignedCertificate `
+            -Subject 'CN=SGU RustDesk Linux enrollment' `
+            -FriendlyName $FriendlyName `
+            -CertStoreLocation 'Cert:\LocalMachine\My' `
+            -KeyAlgorithm RSA `
+            -KeyLength 3072 `
+            -KeyUsage KeyEncipherment,DigitalSignature `
+            -NotAfter (Get-Date).AddYears(5)
+    }
+    return $certificate
+}
+
+function Set-EnrollmentDirectoryAcl {
+    param(
+        [Parameter(Mandatory)][string]$Path,
+        [Parameter(Mandatory)][string]$DomainNetbiosName
+    )
+
+    New-Item -ItemType Directory -Path $Path -Force | Out-Null
+    $arguments = @(
+        "`"$Path`"", '/inheritance:r',
+        '/grant:r', 'SYSTEM:(OI)(CI)(F)',
+        'BUILTIN\Administrators:(OI)(CI)(F)',
+        "$DomainNetbiosName\Domain Computers:(OI)(CI)(M)"
+    )
+    & icacls.exe @arguments | Out-Null
+    if ($LASTEXITCODE -ne 0) {
+        throw "Could not secure the Linux RustDesk enrollment directory $Path."
+    }
+}
+
+Assert-Administrator
+Import-Module ActiveDirectory -ErrorAction Stop
+if (-not (Test-Path -LiteralPath $ProcessorScriptPath -PathType Leaf)) {
+    throw "The Linux RustDesk registration processor is missing: $ProcessorScriptPath"
+}
+if (-not $PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install the protected Linux RustDesk enrollment endpoint')) {
+    return
+}
+
+$domain = Get-ADDomain -Identity $DomainName
+$publicRoot = Join-Path $DataRoot 'Public'
+$requestsRoot = Join-Path $publicRoot 'Requests'
+$archiveRoot = Join-Path $publicRoot 'Archive'
+$rejectedRoot = Join-Path $publicRoot 'Rejected'
+foreach ($path in @($DataRoot, $publicRoot, $requestsRoot, $archiveRoot, $rejectedRoot)) {
+    Set-EnrollmentDirectoryAcl -Path $path -DomainNetbiosName $domain.NetBIOSName
+}
+
+$certificate = Get-EnrollmentCertificate -FriendlyName 'SGU RustDesk Linux enrollment'
+$publicCertificatePath = Join-Path $publicRoot 'registration-public.cer'
+Export-Certificate -Cert $certificate -FilePath $publicCertificatePath -Force | Out-Null
+$clientConfiguration = [ordered]@{
+    ServerAddress = $ServerAddress
+    ServerPublicKey = $ServerPublicKey
+    RegistrationShare = "\\$env:COMPUTERNAME\$RegistrationShareName"
+    UpdatedAt = (Get-Date).ToString('o')
+}
+[IO.File]::WriteAllText((Join-Path $publicRoot 'rustdesk-client.json'),
+    ($clientConfiguration | ConvertTo-Json), [Text.UTF8Encoding]::new($false))
+
+$share = Get-SmbShare -Name $RegistrationShareName -ErrorAction SilentlyContinue
+if (-not $share) {
+    New-SmbShare -Name $RegistrationShareName -Path $publicRoot `
+        -FullAccess @('SYSTEM', 'BUILTIN\Administrators') `
+        -ChangeAccess "$($domain.NetBIOSName)\Domain Computers" | Out-Null
+}
+elseif ($share.Path -ne $publicRoot) {
+    throw "The existing SMB share $RegistrationShareName points to $($share.Path), not $publicRoot."
+}
+
+$installedProcessor = Join-Path $DataRoot 'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1'
+Copy-Item -LiteralPath $ProcessorScriptPath -Destination $installedProcessor -Force
+$processorArguments = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -File `"$installedProcessor`" -DataRoot `"$DataRoot`" -CertificateThumbprint $($certificate.Thumbprint)"
+$action = New-ScheduledTaskAction -Execute (Join-Path $env:WINDIR 'System32\WindowsPowerShell\v1.0\powershell.exe') `
+    -Argument $processorArguments
+$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date).AddMinutes(1) `
+    -RepetitionInterval (New-TimeSpan -Minutes 1) -RepetitionDuration (New-TimeSpan -Days 3650)
+$principal = New-ScheduledTaskPrincipal -UserId 'SYSTEM' -LogonType ServiceAccount -RunLevel Highest
+Register-ScheduledTask -TaskName 'SGU-RustDesk-LinuxRegistration' -Action $action -Trigger $trigger `
+    -Principal $principal -Description 'Registers encrypted RustDesk credentials sent by domain-joined Linux computers.' -Force | Out-Null
+
+New-NetFirewallRule -DisplayName 'SGU RustDesk Linux enrollment SMB' -Group 'SGU RustDesk' `
+    -Direction Inbound -Action Allow -Protocol TCP -LocalPort 445 -Profile Domain -ErrorAction SilentlyContinue | Out-Null
+
+[pscustomobject]@{
+    RegistrationShare = "\\$env:COMPUTERNAME\$RegistrationShareName"
+    PublicCertificatePath = $publicCertificatePath
+    RegistrationTask = 'SGU-RustDesk-LinuxRegistration'
+    CertificateThumbprint = $certificate.Thumbprint
+}

scripts/Install-SguRustDeskServer.ps1

@@ -0,0 +1,240 @@
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9][A-Za-z0-9.-]*$')]
+    [string]$ServerAddress,
+
+    [string]$InstallRoot = "$env:ProgramFiles\SGU\RustDeskServer",
+    [string]$DataRoot = "$env:ProgramData\SGU\RustDesk\Server",
+    [string]$FirewallRemoteAddress = '192.168.50.0/24',
+    [uri]$DownloadUri = 'https://github.com/rustdesk/rustdesk-server/releases/download/1.1.16/rustdesk-server-windows-x86_64-unsigned.zip',
+    [ValidatePattern('^[A-Fa-f0-9]{64}$')]
+    [string]$ExpectedSha256 = 'B865A3A62FC8755B45480C508F1C4871C3338590408DDA8C58C7E9C373B7ADB0'
+)
+
+$ErrorActionPreference = 'Stop'
+$ProgressPreference = 'SilentlyContinue'
+$hbbsTaskName = 'SGU-RustDesk-hbbs'
+$hbbrTaskName = 'SGU-RustDesk-hbbr'
+$downloadRoot = Join-Path $env:ProgramData 'SGU\RustDesk\Downloads'
+$archivePath = Join-Path $downloadRoot 'rustdesk-server-windows-x86_64-1.1.16.zip'
+
+function Assert-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = [Security.Principal.WindowsPrincipal]::new($identity)
+    if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        throw 'Run this script from an elevated Windows PowerShell session.'
+    }
+}
+
+function Set-PrivateDirectoryAcl {
+    param([Parameter(Mandatory)][string]$Path)
+
+    New-Item -ItemType Directory -Path $Path -Force | Out-Null
+    $acl = New-Object Security.AccessControl.DirectorySecurity
+    $acl.SetAccessRuleProtection($true, $false)
+    $inheritance = [Security.AccessControl.InheritanceFlags]'ContainerInherit,ObjectInherit'
+    $allow = [Security.AccessControl.AccessControlType]::Allow
+    foreach ($sid in @('S-1-5-18', 'S-1-5-32-544')) {
+        $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
+            [Security.Principal.SecurityIdentifier]::new($sid),
+            [Security.AccessControl.FileSystemRights]::FullControl,
+            $inheritance,
+            [Security.AccessControl.PropagationFlags]::None,
+            $allow))
+    }
+    Set-Acl -LiteralPath $Path -AclObject $acl
+}
+
+function Assert-FileHash {
+    param(
+        [Parameter(Mandatory)][string]$Path,
+        [Parameter(Mandatory)][string]$ExpectedHash
+    )
+
+    $actualHash = (Get-FileHash -LiteralPath $Path -Algorithm SHA256).Hash
+    if (-not $actualHash.Equals($ExpectedHash, [StringComparison]::OrdinalIgnoreCase)) {
+        throw "SHA-256 verification failed for $Path."
+    }
+}
+
+function Copy-IfDifferent {
+    param(
+        [Parameter(Mandatory)][string]$Source,
+        [Parameter(Mandatory)][string]$Destination
+    )
+
+    if (-not (Test-Path -LiteralPath $Destination -PathType Leaf) -or
+        (Get-FileHash -LiteralPath $Source -Algorithm SHA256).Hash -ne
+        (Get-FileHash -LiteralPath $Destination -Algorithm SHA256).Hash) {
+        Copy-Item -LiteralPath $Source -Destination $Destination -Force
+        return $true
+    }
+    return $false
+}
+
+function Set-RustDeskFirewallRule {
+    param(
+        [Parameter(Mandatory)][string]$Name,
+        [Parameter(Mandatory)][ValidateSet('TCP', 'UDP')][string]$Protocol,
+        [Parameter(Mandatory)][string]$LocalPort
+    )
+
+    $rule = Get-NetFirewallRule -DisplayName $Name -ErrorAction SilentlyContinue
+    if (-not $rule) {
+        $rule = New-NetFirewallRule -DisplayName $Name -Group 'SGU RustDesk' `
+            -Direction Inbound -Action Allow -Protocol $Protocol -LocalPort $LocalPort `
+            -RemoteAddress $FirewallRemoteAddress -Profile Domain -Enabled True
+    }
+    else {
+        $rule | Set-NetFirewallRule -Enabled True -Profile Domain -Action Allow | Out-Null
+        $rule | Get-NetFirewallPortFilter | Set-NetFirewallPortFilter `
+            -Protocol $Protocol -LocalPort $LocalPort | Out-Null
+        $rule | Get-NetFirewallAddressFilter | Set-NetFirewallAddressFilter `
+            -RemoteAddress $FirewallRemoteAddress | Out-Null
+    }
+}
+
+function Stop-RustDeskTasks {
+    foreach ($taskName in @($hbbsTaskName, $hbbrTaskName)) {
+        $task = Get-ScheduledTask -TaskName $taskName -ErrorAction SilentlyContinue
+        if ($task -and $task.State -eq 'Running') {
+            Stop-ScheduledTask -TaskName $taskName
+        }
+    }
+    Start-Sleep -Seconds 1
+}
+
+function Register-RustDeskServerTask {
+    param(
+        [Parameter(Mandatory)][string]$TaskName,
+        [Parameter(Mandatory)][string]$Executable,
+        [string]$Arguments
+    )
+
+    # New-ScheduledTaskAction rejects an empty -Argument value.  hbbr has no
+    # command-line arguments, whereas hbbs needs the relay endpoint, so add
+    # the parameter only when it is meaningful.
+    $actionParameters = @{
+        Execute = $Executable
+        WorkingDirectory = $DataRoot
+    }
+    if (-not [string]::IsNullOrWhiteSpace($Arguments)) {
+        $actionParameters.Argument = $Arguments
+    }
+    $action = New-ScheduledTaskAction @actionParameters
+    $trigger = New-ScheduledTaskTrigger -AtStartup
+    $trigger.Delay = 'PT30S'
+    $settings = New-ScheduledTaskSettingsSet -StartWhenAvailable `
+        -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries `
+        -ExecutionTimeLimit ([TimeSpan]::Zero) `
+        -RestartCount 3 -RestartInterval (New-TimeSpan -Minutes 1)
+    Register-ScheduledTask -TaskName $TaskName -Action $action -Trigger $trigger `
+        -Settings $settings -User 'SYSTEM' -RunLevel Highest -Force | Out-Null
+    $registeredTask = Get-ScheduledTask -TaskName $TaskName -ErrorAction Stop
+    if ($registeredTask.State -ne 'Running') {
+        Start-ScheduledTask -TaskName $TaskName
+    }
+}
+
+function Wait-ForRustDeskServer {
+    for ($attempt = 1; $attempt -le 30; $attempt++) {
+        $hbbsListening = [bool](Get-NetTCPConnection -LocalPort 21116 -State Listen `
+            -ErrorAction SilentlyContinue)
+        $hbbrListening = [bool](Get-NetTCPConnection -LocalPort 21117 -State Listen `
+            -ErrorAction SilentlyContinue)
+        $publicKeyReady = Test-Path -LiteralPath (Join-Path $DataRoot 'id_ed25519.pub') -PathType Leaf
+        if ($hbbsListening -and $hbbrListening -and $publicKeyReady) {
+            return
+        }
+        Start-Sleep -Seconds 2
+    }
+    throw 'RustDesk hbbs/hbbr did not become ready within 60 seconds.'
+}
+
+Assert-Administrator
+if (-not $PSCmdlet.ShouldProcess($env:COMPUTERNAME, 'Install and configure the RustDesk OSS rendezvous and relay server')) {
+    return
+}
+
+Set-PrivateDirectoryAcl -Path $DataRoot
+$managementRoot = Split-Path $DataRoot -Parent
+Set-PrivateDirectoryAcl -Path $managementRoot
+New-Item -ItemType Directory -Path $InstallRoot,$downloadRoot -Force | Out-Null
+
+if (-not (Test-Path -LiteralPath $archivePath -PathType Leaf) -or
+    (Get-FileHash -LiteralPath $archivePath -Algorithm SHA256).Hash -ne $ExpectedSha256) {
+    Invoke-WebRequest -Uri $DownloadUri -OutFile $archivePath -UseBasicParsing
+}
+Assert-FileHash -Path $archivePath -ExpectedHash $ExpectedSha256
+
+$stagingRoot = Join-Path $env:TEMP ('sgu-rustdesk-server-' + [Guid]::NewGuid().ToString('N'))
+try {
+    Expand-Archive -LiteralPath $archivePath -DestinationPath $stagingRoot -Force
+    $payloadRoot = Join-Path $stagingRoot 'x86_64'
+    $sourceHbbs = Join-Path $payloadRoot 'hbbs.exe'
+    $sourceHbbr = Join-Path $payloadRoot 'hbbr.exe'
+    foreach ($required in @($sourceHbbs, $sourceHbbr)) {
+        if (-not (Test-Path -LiteralPath $required -PathType Leaf)) {
+            throw "The verified RustDesk archive is missing $required."
+        }
+    }
+
+    $targetHbbs = Join-Path $InstallRoot 'hbbs.exe'
+    $targetHbbr = Join-Path $InstallRoot 'hbbr.exe'
+    $requiresBinaryUpdate =
+        -not (Test-Path -LiteralPath $targetHbbs) -or
+        -not (Test-Path -LiteralPath $targetHbbr) -or
+        (Get-FileHash -LiteralPath $sourceHbbs -Algorithm SHA256).Hash -ne
+            (Get-FileHash -LiteralPath $targetHbbs -Algorithm SHA256).Hash -or
+        (Get-FileHash -LiteralPath $sourceHbbr -Algorithm SHA256).Hash -ne
+            (Get-FileHash -LiteralPath $targetHbbr -Algorithm SHA256).Hash
+    if ($requiresBinaryUpdate) {
+        Stop-RustDeskTasks
+        Copy-IfDifferent -Source $sourceHbbs -Destination $targetHbbs | Out-Null
+        Copy-IfDifferent -Source $sourceHbbr -Destination $targetHbbr | Out-Null
+    }
+}
+finally {
+    if (Test-Path -LiteralPath $stagingRoot) {
+        Remove-Item -LiteralPath $stagingRoot -Recurse -Force
+    }
+}
+
+Set-RustDeskFirewallRule -Name 'SGU RustDesk hbbs (TCP)' -Protocol TCP -LocalPort '21115-21116'
+Set-RustDeskFirewallRule -Name 'SGU RustDesk hbbr (TCP)' -Protocol TCP -LocalPort '21117'
+Set-RustDeskFirewallRule -Name 'SGU RustDesk hbbs (UDP)' -Protocol UDP -LocalPort '21116'
+
+Register-RustDeskServerTask -TaskName $hbbrTaskName -Executable (Join-Path $InstallRoot 'hbbr.exe')
+Register-RustDeskServerTask -TaskName $hbbsTaskName -Executable (Join-Path $InstallRoot 'hbbs.exe') `
+    -Arguments "-r $ServerAddress`:21117"
+Wait-ForRustDeskServer
+
+$publicKey = (Get-Content -LiteralPath (Join-Path $DataRoot 'id_ed25519.pub') -Raw).Trim()
+if ([string]::IsNullOrWhiteSpace($publicKey)) {
+    throw 'RustDesk generated an empty public key.'
+}
+$statusPath = Join-Path (Split-Path $DataRoot -Parent) 'server.json'
+$status = [ordered]@{
+    ServerAddress = $ServerAddress
+    PublicKey = $publicKey
+    PublicKeySha256 = ([Security.Cryptography.SHA256]::Create().ComputeHash(
+        [Text.Encoding]::UTF8.GetBytes($publicKey)) | ForEach-Object ToString x2) -join ''
+    HbbsTaskName = $hbbsTaskName
+    HbbrTaskName = $hbbrTaskName
+    HbbsTcpPort = 21116
+    HbbrTcpPort = 21117
+    InstalledAt = (Get-Date).ToString('o')
+}
+[IO.File]::WriteAllText($statusPath, ($status | ConvertTo-Json), [Text.UTF8Encoding]::new($false))
+
+[pscustomobject]@{
+    ServerAddress = $ServerAddress
+    PublicKey = $publicKey
+    PublicKeySha256 = $status.PublicKeySha256
+    HbbsTask = (Get-ScheduledTask -TaskName $hbbsTaskName).State.ToString()
+    HbbrTask = (Get-ScheduledTask -TaskName $hbbrTaskName).State.ToString()
+    HbbsListening = [bool](Get-NetTCPConnection -LocalPort 21116 -State Listen -ErrorAction SilentlyContinue)
+    HbbrListening = [bool](Get-NetTCPConnection -LocalPort 21117 -State Listen -ErrorAction SilentlyContinue)
+    StatusPath = $statusPath
+}

scripts/Invoke-SguClientBootstrap.ps1

@@ -124,6 +124,7 @@ $runtimeInstaller = Get-ChildItem (Join-Path $packageRoot 'payload\prerequisites
     Select-Object -First 1
 foreach ($requiredPath in @(
     (Join-Path $scriptsRoot 'Enroll-SguDomainClient.ps1'),
+    (Join-Path $scriptsRoot 'Install-SguRustDeskClient.ps1'),
     (Join-Path $scriptsRoot 'Register-SguClientCertificate.ps1'),
     (Join-Path $providerPublishPath 'SGU.CredentialProvider.comhost.dll'))) {
     if (-not (Test-Path -LiteralPath $requiredPath -PathType Leaf)) {
@@ -177,10 +178,23 @@ try {
     $serverIdentity = Invoke-Command -Session $session -ScriptBlock {
         $computer = Get-CimInstance Win32_ComputerSystem
         $brokerService = Get-Service SGUAuthBroker -ErrorAction SilentlyContinue
+        $rustDeskStatusPath = Join-Path $env:ProgramData 'SGU\RustDesk\server.json'
+        $rustDeskStatus = if (Test-Path -LiteralPath $rustDeskStatusPath -PathType Leaf) {
+            Get-Content -LiteralPath $rustDeskStatusPath -Raw | ConvertFrom-Json
+        }
+        else {
+            $null
+        }
+        $hbbsTask = Get-ScheduledTask -TaskName 'SGU-RustDesk-hbbs' -ErrorAction SilentlyContinue
+        $hbbrTask = Get-ScheduledTask -TaskName 'SGU-RustDesk-hbbr' -ErrorAction SilentlyContinue
         [pscustomobject]@{
             ComputerName = $env:COMPUTERNAME
             Domain = $computer.Domain
             BrokerService = if ($brokerService) { $brokerService.Status.ToString() } else { 'Missing' }
+            RustDeskServerAddress = if ($rustDeskStatus) { [string]$rustDeskStatus.ServerAddress } else { $null }
+            RustDeskPublicKey = if ($rustDeskStatus) { [string]$rustDeskStatus.PublicKey } else { $null }
+            RustDeskHbbsTask = if ($hbbsTask) { $hbbsTask.State.ToString() } else { 'Missing' }
+            RustDeskHbbrTask = if ($hbbrTask) { $hbbrTask.State.ToString() } else { 'Missing' }
         }
     }
     if (-not $serverIdentity.Domain -or
@@ -190,6 +204,12 @@ try {
     if ($serverIdentity.BrokerService -ne 'Running') {
         throw "The SGU Authentication Broker is not running on $($serverIdentity.ComputerName)."
     }
+    if ([string]::IsNullOrWhiteSpace($serverIdentity.RustDeskServerAddress) -or
+        [string]::IsNullOrWhiteSpace($serverIdentity.RustDeskPublicKey) -or
+        $serverIdentity.RustDeskHbbsTask -ne 'Running' -or
+        $serverIdentity.RustDeskHbbrTask -ne 'Running') {
+        throw "The RustDesk server is not ready on $($serverIdentity.ComputerName). Run the current server bootstrap first."
+    }
 
     $certificateSubject = "CN=SGU Credential Provider Client $env:COMPUTERNAME"
     $clientCertificate = Get-ChildItem Cert:\LocalMachine\My |
@@ -274,6 +294,8 @@ try {
         DomainDnsServerAddresses = @($DomainControllerIPv4Address.IPAddressToString)
         RemoteDesktopPrincipal = "$DomainNetbios\SG-Laboratorio-Usuarios-RDP"
         DotNetRuntimeInstallerPath = $runtimeInstaller.FullName
+        RustDeskServerAddress = $serverIdentity.RustDeskServerAddress
+        RustDeskServerPublicKey = $serverIdentity.RustDeskPublicKey
         SkipRestart = $true
     }
     if ($NewComputerName) {
@@ -281,6 +303,31 @@ try {
     }
 
     $result = & (Join-Path $scriptsRoot 'Enroll-SguDomainClient.ps1') @enrollmentParameters
+
+    $rustDeskEnrollment = $result.RustDesk
+    if (-not $rustDeskEnrollment -or -not $rustDeskEnrollment.RustDeskId -or
+        -not $rustDeskEnrollment.AccessPassword) {
+        throw 'The client RustDesk enrollment did not provide an ID and protected access credential.'
+    }
+    $rustDeskPasswordPointer = [Runtime.InteropServices.Marshal]::SecureStringToBSTR(
+        $rustDeskEnrollment.AccessPassword)
+    try {
+        $rustDeskPassword = [Runtime.InteropServices.Marshal]::PtrToStringBSTR($rustDeskPasswordPointer)
+        Invoke-Command -Session $session -ScriptBlock {
+            param($ComputerName, $RustDeskId, $AccessPassword)
+            $registrationScript = Join-Path $env:ProgramData 'SGU\RustDesk\Register-SguRustDeskDevice.ps1'
+            if (-not (Test-Path -LiteralPath $registrationScript -PathType Leaf)) {
+                throw 'The RustDesk device-registration script is missing on the domain controller.'
+            }
+            & $registrationScript -ComputerName $ComputerName -RustDeskId $RustDeskId `
+                -AccessPassword $AccessPassword | Out-Null
+        } -ArgumentList $env:COMPUTERNAME,$rustDeskEnrollment.RustDeskId,$rustDeskPassword
+    }
+    finally {
+        [Runtime.InteropServices.Marshal]::ZeroFreeBSTR($rustDeskPasswordPointer)
+        $rustDeskPassword = $null
+    }
+    $rustDeskEnrollment.PSObject.Properties.Remove('AccessPassword')
 }
 finally {
     if ($session) {
@@ -319,6 +366,7 @@ if ($SkipRestart) {
         ClientCertificateRegistered = $true
         BrokerEndpoint = $brokerEndpoint
         RestartRequired = $true
+        RustDesk = if ($result) { $result.RustDesk } else { $null }
         EnrollmentResult = $result
     }
     return

scripts/Invoke-SguMonitoringMaintenance.ps1

@@ -0,0 +1,111 @@
+#Requires -Version 5.1
+[CmdletBinding()]
+param(
+    [string]$MonitoringRoot = 'C:\ProgramData\SGU\Monitoring',
+    [string]$ComputerOuDn = 'OU=Laboratorio,DC=lci,DC=lasalle,DC=mx',
+    [ValidateRange(30, 730)]
+    [int]$RetentionDays = 183,
+    [string]$BrokerEventLogName = 'SGU Auth Broker',
+    [switch]$InventoryOnly
+)
+
+$ErrorActionPreference = 'Stop'
+Import-Module ActiveDirectory -ErrorAction Stop
+
+foreach ($serviceName in 'EventLog','Wecsvc') {
+    Set-Service -Name $serviceName -StartupType Automatic
+    if ((Get-Service $serviceName).Status -ne 'Running') {
+        Start-Service $serviceName
+    }
+}
+
+$archiveRoot = Join-Path $MonitoringRoot 'Archive'
+$brokerArchiveRoot = Join-Path $archiveRoot 'Broker'
+$reportRoot = Join-Path $MonitoringRoot 'Reports'
+New-Item -ItemType Directory -Path $archiveRoot,$brokerArchiveRoot,$reportRoot -Force | Out-Null
+
+function Test-TcpEndpoint {
+    param(
+        [Parameter(Mandatory)][string]$ComputerName,
+        [int]$Port = 5985,
+        [int]$TimeoutMilliseconds = 900
+    )
+
+    $client = [Net.Sockets.TcpClient]::new()
+    try {
+        $pending = $client.BeginConnect($ComputerName, $Port, $null, $null)
+        if (-not $pending.AsyncWaitHandle.WaitOne($TimeoutMilliseconds)) {
+            return $false
+        }
+        $client.EndConnect($pending)
+        return $true
+    }
+    catch {
+        return $false
+    }
+    finally {
+        $client.Dispose()
+    }
+}
+
+if (-not $InventoryOnly) {
+    $forwardedLog = Get-WinEvent -ListLog ForwardedEvents -ErrorAction Stop
+    if ($forwardedLog.RecordCount -gt 0) {
+        $archivePath = Join-Path $archiveRoot ("ForwardedEvents-{0:yyyyMMdd-HHmmss}.evtx" -f (Get-Date))
+        & wevtutil.exe clear-log ForwardedEvents "/backup:$archivePath"
+        if ($LASTEXITCODE -ne 0) {
+            throw "Could not archive ForwardedEvents; wevtutil returned exit code $LASTEXITCODE."
+        }
+    }
+
+    $brokerLog = Get-WinEvent -ListLog $BrokerEventLogName -ErrorAction SilentlyContinue
+    if ($brokerLog -and $brokerLog.RecordCount -gt 0) {
+        $brokerArchivePath = Join-Path $brokerArchiveRoot ("SguAuthBroker-{0:yyyyMMdd-HHmmss}.evtx" -f (Get-Date))
+        & wevtutil.exe clear-log $BrokerEventLogName "/backup:$brokerArchivePath"
+        if ($LASTEXITCODE -ne 0) {
+            throw "Could not archive $BrokerEventLogName; wevtutil returned exit code $LASTEXITCODE."
+        }
+    }
+
+    $cutoff = (Get-Date).AddDays(-$RetentionDays)
+    Get-ChildItem -LiteralPath $archiveRoot -Filter '*.evtx' -File -Recurse -ErrorAction SilentlyContinue |
+        Where-Object LastWriteTime -lt $cutoff |
+        ForEach-Object { Remove-Item -LiteralPath $_.FullName -Force }
+}
+
+$computers = @(Get-ADComputer -SearchBase $ComputerOuDn -SearchScope Subtree -Filter * `
+    -Properties DNSHostName,IPv4Address,OperatingSystem,LastLogonDate,Enabled |
+    Sort-Object Name)
+
+$inventory = @(foreach ($computer in $computers) {
+    $target = if ($computer.DNSHostName) { $computer.DNSHostName } else { $computer.Name }
+    $online = Test-TcpEndpoint -ComputerName $target
+    [pscustomobject]@{
+        ComputerName = $computer.Name
+        DNSHostName = $computer.DNSHostName
+        IPv4Address = $computer.IPv4Address
+        OperatingSystem = $computer.OperatingSystem
+        Enabled = [bool]$computer.Enabled
+        Status = if ($online) { 'Encendida' } else { 'Apagada o inaccesible' }
+        WinRMReachable = [bool]$online
+        LastDomainLogon = if ($computer.LastLogonDate) {
+            $computer.LastLogonDate.ToUniversalTime().ToString('o')
+        } else { $null }
+        CheckedAt = (Get-Date).ToUniversalTime().ToString('o')
+    }
+})
+
+$jsonPath = Join-Path $reportRoot 'machine-status.json'
+$csvPath = Join-Path $reportRoot 'machine-status.csv'
+[IO.File]::WriteAllText($jsonPath, (ConvertTo-Json -InputObject $inventory -Depth 4), [Text.UTF8Encoding]::new($false))
+$inventory | Export-Csv -LiteralPath $csvPath -NoTypeInformation -Encoding UTF8
+
+[pscustomobject]@{
+    CheckedAt = (Get-Date).ToUniversalTime().ToString('o')
+    ComputerCount = @($inventory).Count
+    OnlineCount = @($inventory | Where-Object WinRMReachable).Count
+    OfflineCount = @($inventory | Where-Object { -not $_.WinRMReachable }).Count
+    RetentionDays = $RetentionDays
+    StatusJson = $jsonPath
+    StatusCsv = $csvPath
+}

scripts/Invoke-SguRustDeskLinuxRegistrationProcessor.ps1

@@ -0,0 +1,90 @@
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory)]
+    [string]$DataRoot,
+
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Fa-f0-9]{40}$')]
+    [string]$CertificateThumbprint
+)
+
+$ErrorActionPreference = 'Stop'
+$requestsRoot = Join-Path $DataRoot 'Public\Requests'
+$archiveRoot = Join-Path $DataRoot 'Public\Archive'
+$rejectedRoot = Join-Path $DataRoot 'Public\Rejected'
+$registrationScript = Join-Path $env:ProgramData 'SGU\RustDesk\Register-SguRustDeskDevice.ps1'
+
+function Write-Result {
+    param(
+        [Parameter(Mandatory)][string]$RequestId,
+        [Parameter(Mandatory)][hashtable]$Value
+    )
+    $path = Join-Path $requestsRoot "$RequestId.result.json"
+    [IO.File]::WriteAllText($path, ($Value | ConvertTo-Json), [Text.UTF8Encoding]::new($false))
+}
+
+function Get-ComputerNameFromOwner {
+    param([Parameter(Mandatory)][string]$Owner)
+    if ($Owner -notmatch '^[^\\]+\\(?<Name>[A-Za-z0-9][A-Za-z0-9-]{0,62})\$$') {
+        throw 'The request file owner is not an Active Directory computer account.'
+    }
+    return $Matches.Name.ToUpperInvariant()
+}
+
+if (-not (Test-Path -LiteralPath $registrationScript -PathType Leaf)) {
+    throw "The RustDesk inventory registration script is missing: $registrationScript"
+}
+Import-Module ActiveDirectory -ErrorAction Stop
+$certificate = Get-Item -LiteralPath "Cert:\LocalMachine\My\$CertificateThumbprint" -ErrorAction Stop
+$rsa = [System.Security.Cryptography.X509Certificates.RSACertificateExtensions]::GetRSAPrivateKey($certificate)
+if (-not $rsa) {
+    throw 'The Linux RustDesk enrollment certificate does not have an RSA private key.'
+}
+
+New-Item -ItemType Directory -Path $requestsRoot, $archiveRoot, $rejectedRoot -Force | Out-Null
+Get-ChildItem -LiteralPath $requestsRoot -Filter '*.request' -File | ForEach-Object {
+    $requestFile = $_
+    $requestIdMatch = [regex]::Match($requestFile.BaseName,
+        '(?<Id>[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12})$')
+    if (-not $requestIdMatch.Success) {
+        Move-Item -LiteralPath $requestFile.FullName -Destination (Join-Path $rejectedRoot $requestFile.Name) -Force
+        return
+    }
+    $requestId = $requestIdMatch.Groups['Id'].Value
+    try {
+        $ownerComputerName = Get-ComputerNameFromOwner -Owner (Get-Acl -LiteralPath $requestFile.FullName).Owner
+        $plainText = [Text.Encoding]::UTF8.GetString($rsa.Decrypt(
+            [IO.File]::ReadAllBytes($requestFile.FullName),
+            [Security.Cryptography.RSAEncryptionPadding]::OaepSHA256))
+        $request = $plainText | ConvertFrom-Json -ErrorAction Stop
+        $computerName = [string]$request.ComputerName
+        $rustDeskId = [string]$request.RustDeskId
+        $accessPassword = [string]$request.AccessPassword
+        $declaredRequestId = [string]$request.RequestId
+        if ($computerName -notmatch '^[A-Za-z0-9][A-Za-z0-9-]{0,62}$' -or
+            $computerName.ToUpperInvariant() -ne $ownerComputerName -or
+            $rustDeskId -notmatch '^\d+$' -or
+            $accessPassword.Length -lt 12 -or
+            $declaredRequestId -notmatch '^[0-9a-fA-F-]{36}$') {
+            throw 'The encrypted Linux RustDesk registration payload is invalid.'
+        }
+        Get-ADComputer -Identity $ownerComputerName -ErrorAction Stop | Out-Null
+        & $registrationScript -ComputerName $ownerComputerName -RustDeskId $rustDeskId `
+            -AccessPassword $accessPassword -Confirm:$false | Out-Null
+        Write-Result -RequestId $declaredRequestId -Value @{
+            Status = 'Registered'
+            ComputerName = $ownerComputerName
+            RustDeskId = $rustDeskId
+            RegisteredAt = (Get-Date).ToString('o')
+        }
+        Move-Item -LiteralPath $requestFile.FullName -Destination (Join-Path $archiveRoot $requestFile.Name) -Force
+    }
+    catch {
+        $safeError = $_.Exception.Message -replace '(?i)password[^\r\n]*', 'credential validation failed'
+        Write-Result -RequestId $requestId -Value @{
+            Status = 'Rejected'
+            Error = $safeError
+        }
+        Move-Item -LiteralPath $requestFile.FullName -Destination (Join-Path $rejectedRoot $requestFile.Name) -Force -ErrorAction SilentlyContinue
+    }
+}

scripts/New-SguBootstrapPackages.ps1

@@ -80,15 +80,24 @@ if (-not $runtimeInstaller) {
 New-Item -ItemType Directory -Path $resolvedOutputRoot -Force | Out-Null
 $clientRoot = Join-Path $resolvedOutputRoot "sgu-client-bootstrap-$Version"
 $serverRoot = Join-Path $resolvedOutputRoot "sgu-server-bootstrap-$Version"
+$linuxClientRoot = Join-Path $resolvedOutputRoot "sgu-linux-client-bootstrap-$Version"
 $clientZip = "$clientRoot.zip"
 $serverZip = "$serverRoot.zip"
-foreach ($target in @($clientRoot,$serverRoot,$clientZip,$serverZip)) {
+$linuxClientZip = "$linuxClientRoot.zip"
+foreach ($target in @($clientRoot,$serverRoot,$linuxClientRoot,$clientZip,$serverZip,$linuxClientZip)) {
     if (Test-Path -LiteralPath $target) {
         throw "Release target already exists: $target"
     }
 }
 
-New-Item -ItemType Directory -Path $clientRoot,$serverRoot -Force | Out-Null
+New-Item -ItemType Directory -Path $clientRoot,$serverRoot,$linuxClientRoot -Force | Out-Null
+$welcomeFontNames = @(
+    'IndivisaTextSans-Regular.otf',
+    'IndivisaTextSans-Bold.otf',
+    'IndivisaTextSans-BoldItalic.otf',
+    'IndivisaTextSerif-Regular.otf',
+    'IndivisaTextSerif-BoldItalic.otf'
+)
 
 Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Invoke-SguClientBootstrap.ps1') `
     -Destination (Join-Path $clientRoot 'Invoke-SguClientBootstrap.ps1')
@@ -96,9 +105,11 @@ Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Start-SguClientEnrollment.cm
     -Destination (Join-Path $clientRoot 'Start-SguClientEnrollment.cmd')
 $clientScripts = @(
     'Enable-LabRemoteAccess.ps1',
+    'Enable-SguClientMonitoring.ps1',
     'Enroll-SguDomainClient.ps1',
     'Install-CredentialProvider.ps1',
     'Install-SguEnrollmentGuard.ps1',
+    'Install-SguRustDeskClient.ps1',
     'Register-SguClientCertificate.ps1',
     'Repair-SguClientEnrollment.ps1',
     'Test-SguClientEnrollment.ps1'
@@ -111,12 +122,43 @@ Copy-Item -Path (Join-Path $providerOutput '*') `
     -Destination (New-Item -ItemType Directory `
         -Path (Join-Path $clientRoot 'payload\credential-provider') -Force).FullName `
     -Recurse -Force
+Copy-RequiredFile -Source (Join-Path $repositoryRoot 'assets\branding\lasalle-mascot-account.png') `
+    -Destination (Join-Path $clientRoot 'payload\credential-provider\branding\user.png')
+Copy-RequiredFile -Source (Join-Path $repositoryRoot 'assets\branding\darkblue.jpg') `
+    -Destination (Join-Path $clientRoot 'payload\credential-provider\branding\darkblue.jpg')
+Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Set-SguWelcomeWallpaper.ps1') `
+    -Destination (Join-Path $clientRoot 'payload\credential-provider\branding\Set-SguWelcomeWallpaper.ps1')
+foreach ($fontName in $welcomeFontNames) {
+    Copy-RequiredFile -Source (Join-Path $repositoryRoot "assets\branding\fonts\$fontName") `
+        -Destination (Join-Path $clientRoot "payload\credential-provider\branding\fonts\$fontName")
+}
 Copy-RequiredFile -Source $runtimeInstaller.FullName `
     -Destination (Join-Path $clientRoot "payload\prerequisites\$($runtimeInstaller.Name)")
 Write-PackageManifest -PackageRoot $clientRoot -PackageVersion $Version -PackageKind Client
 Compress-Archive -Path (Join-Path $clientRoot '*') -DestinationPath $clientZip `
     -CompressionLevel Optimal
 
+# Linux clients use their native PAM/SSSD sign-in stack rather than the Windows
+# Credential Provider. Keep their self-contained bootstrap independent so a
+# Linux administrator never receives Windows binaries or certificate material.
+Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Enroll-SguLinuxDomainClient.sh') `
+    -Destination (Join-Path $linuxClientRoot 'Enroll-SguLinuxDomainClient.sh')
+Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Install-SguLinuxRustDeskClient.sh') `
+    -Destination (Join-Path $linuxClientRoot 'Install-SguLinuxRustDeskClient.sh')
+Copy-RequiredFile -Source (Join-Path $repositoryRoot 'docs\linux-client-enrollment.md') `
+    -Destination (Join-Path $linuxClientRoot 'README.md')
+Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Set-SguWelcomeWallpaper.sh') `
+    -Destination (Join-Path $linuxClientRoot 'welcome-wallpaper\Set-SguWelcomeWallpaper.sh')
+Copy-RequiredFile -Source (Join-Path $repositoryRoot 'assets\branding\darkblue.jpg') `
+    -Destination (Join-Path $linuxClientRoot 'welcome-wallpaper\darkblue.jpg')
+foreach ($fontName in $welcomeFontNames) {
+    Copy-RequiredFile -Source (Join-Path $repositoryRoot "assets\branding\fonts\$fontName") `
+        -Destination (Join-Path $linuxClientRoot "welcome-wallpaper\fonts\$fontName")
+}
+Write-PackageManifest -PackageRoot $linuxClientRoot -PackageVersion $Version -PackageKind LinuxClient
+Compress-Archive -Path (Join-Path $linuxClientRoot '*') -DestinationPath $linuxClientZip `
+    -CompressionLevel Optimal
+
 Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Initialize-SguDomainController.ps1') `
     -Destination (Join-Path $serverRoot 'Initialize-SguDomainController.ps1')
 Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Start-SguServerBootstrap.cmd') `
@@ -124,8 +166,18 @@ Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Start-SguServerBootstrap.cmd
 $serverScripts = @(
     'Deploy-AuthBroker.ps1',
     'Enable-SguServerRemoteManagement.ps1',
+    'Get-SguUsageReport.ps1',
+    'Get-SguBrokerLog.ps1',
+    'Install-SguDomainMonitoring.ps1',
+    'Install-SguRustDeskClient.ps1',
+    'Install-SguRustDeskLinuxEnrollment.ps1',
+    'Install-SguRustDeskServer.ps1',
+    'Invoke-SguRustDeskLinuxRegistrationProcessor.ps1',
+    'Invoke-SguMonitoringMaintenance.ps1',
     'New-LabCertificate.ps1',
+    'Get-SguRustDeskDevice.ps1',
     'Register-SguClientCertificate.ps1',
+    'Register-SguRustDeskDevice.ps1',
     'Set-LabBrokerDns.ps1',
     'Set-SguDomainComputerPolicies.ps1',
     'Set-SguDomainUserPolicies.ps1'
@@ -147,6 +199,14 @@ if ($ServerContentPath) {
     Copy-Item -Path (Join-Path $ServerContentPath '*') `
         -Destination $serverContentTarget -Recurse -Force
 }
+Copy-RequiredFile -Source (Join-Path $PSScriptRoot 'Set-SguWelcomeWallpaper.ps1') `
+    -Destination (Join-Path $serverContentTarget 'welcome-wallpaper\Set-SguWelcomeWallpaper.ps1')
+Copy-RequiredFile -Source (Join-Path $repositoryRoot 'assets\branding\darkblue.jpg') `
+    -Destination (Join-Path $serverContentTarget 'welcome-wallpaper\darkblue.jpg')
+foreach ($fontName in $welcomeFontNames) {
+    Copy-RequiredFile -Source (Join-Path $repositoryRoot "assets\branding\fonts\$fontName") `
+        -Destination (Join-Path $serverContentTarget "welcome-wallpaper\fonts\$fontName")
+}
 Write-PackageManifest -PackageRoot $serverRoot -PackageVersion $Version -PackageKind Server
 Compress-Archive -Path (Join-Path $serverRoot '*') -DestinationPath $serverZip `
     -CompressionLevel Optimal
@@ -154,6 +214,7 @@ Compress-Archive -Path (Join-Path $serverRoot '*') -DestinationPath $serverZip `
 $checksums = @(
     ("{0}  {1}" -f (Get-FileHash -LiteralPath $clientZip -Algorithm SHA256).Hash, (Split-Path $clientZip -Leaf))
     ("{0}  {1}" -f (Get-FileHash -LiteralPath $serverZip -Algorithm SHA256).Hash, (Split-Path $serverZip -Leaf))
+    ("{0}  {1}" -f (Get-FileHash -LiteralPath $linuxClientZip -Algorithm SHA256).Hash, (Split-Path $linuxClientZip -Leaf))
 )
 $checksumsPath = Join-Path $resolvedOutputRoot "SHA256SUMS-$Version.txt"
 [IO.File]::WriteAllLines($checksumsPath, $checksums, [Text.UTF8Encoding]::new($false))
@@ -162,6 +223,8 @@ $checksumsPath = Join-Path $resolvedOutputRoot "SHA256SUMS-$Version.txt"
     Version = $Version
     ClientPackage = $clientZip
     ClientSha256 = (Get-FileHash -LiteralPath $clientZip -Algorithm SHA256).Hash
+    LinuxClientPackage = $linuxClientZip
+    LinuxClientSha256 = (Get-FileHash -LiteralPath $linuxClientZip -Algorithm SHA256).Hash
     ServerPackage = $serverZip
     ServerSha256 = (Get-FileHash -LiteralPath $serverZip -Algorithm SHA256).Hash
     Checksums = $checksumsPath

scripts/Publish-GiteaRelease.ps1

@@ -17,6 +17,7 @@ $tagName = "v$Version"
 $assetPaths = @(
     (Join-Path $ReleaseDirectory "sgu-client-bootstrap-$Version.zip"),
     (Join-Path $ReleaseDirectory "sgu-server-bootstrap-$Version.zip"),
+    (Join-Path $ReleaseDirectory "sgu-linux-client-bootstrap-$Version.zip"),
     (Join-Path $ReleaseDirectory "SHA256SUMS-$Version.txt")
 )
 foreach ($assetPath in $assetPaths) {
@@ -100,6 +101,9 @@ Bootstrap reproducible para el laboratorio SGU.
 - **Advertencia:** el bootstrap de servidor crea un bosque nuevo. No restaura los SID, contraseñas ni relaciones de confianza del bosque anterior; para conservarlos se requiere una recuperación de bosque desde una copia de estado del sistema.
 - `sgu-server-bootstrap-$Version.zip`: crea el bosque AD/DNS, OUs, grupo RDP, GPO, recurso `Packages`, broker mTLS y administración remota; se reanuda solo después del reinicio.
 - `sgu-client-bootstrap-$Version.zip`: registra un certificado mTLS único, instala y valida el Credential Provider antes de unir el equipo al dominio, habilita RDP/WinRM y se repara al arranque.
+- `sgu-linux-client-bootstrap-$Version.zip`: une clientes Debian/Ubuntu o RHEL/Fedora/Rocky/AlmaLinux con realmd, Kerberos y SSSD. Solicita interactivamente la contraseña de unión y no instala el Credential Provider de Windows.
+- El Auth Broker clasifica sin tareas programadas cada cuenta autenticada: `AL` se agrega a `SGU-Alumnos`, `AD` a `SGU-Administrativos` y `DO` a `SGU-Docentes`; el bootstrap crea estos grupos de seguridad de forma idempotente.
+- El servidor configura WEF/WEC para registrar sesiones y fallos, inventariar el estado alcanzable de las máquinas cada cinco minutos y conservar durante 183 días tanto esos eventos como el diagnóstico estructurado del Auth Broker.
 - Windows Home se detecta y se rechaza con una explicación, ya que no admite unión a Active Directory ni RDP host.
 
 Las contraseñas se solicitan de forma interactiva y no se escriben en archivos ni en la línea de comandos. Verifique los ZIP con `SHA256SUMS-$Version.txt`.

scripts/Register-SguRustDeskDevice.ps1

@@ -0,0 +1,97 @@
+[CmdletBinding(SupportsShouldProcess)]
+param(
+    [Parameter(Mandatory)]
+    [ValidatePattern('^[A-Za-z0-9][A-Za-z0-9-]{0,62}$')]
+    [string]$ComputerName,
+
+    [Parameter(Mandatory)]
+    [ValidatePattern('^\d+$')]
+    [string]$RustDeskId,
+
+    [Parameter(Mandatory)]
+    [ValidateLength(12, 256)]
+    [string]$AccessPassword,
+
+    [string]$InventoryRoot = "$env:ProgramData\SGU\RustDesk\Devices"
+)
+
+$ErrorActionPreference = 'Stop'
+
+function Assert-Administrator {
+    $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
+    $principal = [Security.Principal.WindowsPrincipal]::new($identity)
+    if (-not $principal.IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) {
+        throw 'Only a local administrator can register a RustDesk device credential.'
+    }
+}
+
+function Initialize-DataProtection {
+    if (-not ('SguRustDeskDataProtection' -as [type])) {
+        Add-Type -TypeDefinition @'
+using System;
+using System.ComponentModel;
+using System.Runtime.InteropServices;
+public static class SguRustDeskDataProtection {
+    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
+    private struct DataBlob { public int cbData; public IntPtr pbData; }
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptProtectData(ref DataBlob input, string description, IntPtr entropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+    [DllImport("crypt32.dll", SetLastError = true, CharSet = CharSet.Unicode)]
+    private static extern bool CryptUnprotectData(ref DataBlob input, IntPtr description, IntPtr entropy, IntPtr reserved, IntPtr prompt, int flags, out DataBlob output);
+    [DllImport("kernel32.dll", SetLastError = true)] private static extern IntPtr LocalFree(IntPtr memory);
+    private const int CryptProtectLocalMachine = 0x4;
+    private static DataBlob ToBlob(byte[] value) { var blob = new DataBlob { cbData = value.Length, pbData = IntPtr.Zero }; if (value.Length > 0) { blob.pbData = Marshal.AllocHGlobal(value.Length); Marshal.Copy(value, 0, blob.pbData, value.Length); } return blob; }
+    private static byte[] FromBlob(DataBlob blob) { var value = new byte[blob.cbData]; if (blob.cbData > 0) Marshal.Copy(blob.pbData, value, 0, blob.cbData); return value; }
+    public static byte[] Protect(byte[] value) { var input = ToBlob(value); var output = new DataBlob(); try { if (!CryptProtectData(ref input, null, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, CryptProtectLocalMachine, out output)) throw new Win32Exception(Marshal.GetLastWin32Error()); return FromBlob(output); } finally { if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData); if (output.pbData != IntPtr.Zero) LocalFree(output.pbData); } }
+    public static byte[] Unprotect(byte[] value) { var input = ToBlob(value); var output = new DataBlob(); try { if (!CryptUnprotectData(ref input, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, IntPtr.Zero, 0, out output)) throw new Win32Exception(Marshal.GetLastWin32Error()); return FromBlob(output); } finally { if (input.pbData != IntPtr.Zero) Marshal.FreeHGlobal(input.pbData); if (output.pbData != IntPtr.Zero) LocalFree(output.pbData); } }
+}
+'@ -ErrorAction Stop
+    }
+}
+
+function Set-PrivateDirectoryAcl {
+    param([Parameter(Mandatory)][string]$Path)
+
+    New-Item -ItemType Directory -Path $Path -Force | Out-Null
+    $acl = New-Object Security.AccessControl.DirectorySecurity
+    $acl.SetAccessRuleProtection($true, $false)
+    $inheritance = [Security.AccessControl.InheritanceFlags]'ContainerInherit,ObjectInherit'
+    $allow = [Security.AccessControl.AccessControlType]::Allow
+    foreach ($sid in @('S-1-5-18', 'S-1-5-32-544')) {
+        $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
+            [Security.Principal.SecurityIdentifier]::new($sid),
+            [Security.AccessControl.FileSystemRights]::FullControl,
+            $inheritance,
+            [Security.AccessControl.PropagationFlags]::None,
+            $allow))
+    }
+    Set-Acl -LiteralPath $Path -AclObject $acl
+}
+
+Assert-Administrator
+Initialize-DataProtection
+if (-not $PSCmdlet.ShouldProcess($ComputerName, 'Register the protected RustDesk management credential')) {
+    return
+}
+
+Set-PrivateDirectoryAcl -Path $InventoryRoot
+$normalizedName = $ComputerName.ToUpperInvariant()
+$secretPath = Join-Path $InventoryRoot "$normalizedName.secret"
+$metadataPath = Join-Path $InventoryRoot "$normalizedName.json"
+$protectedPassword = [SguRustDeskDataProtection]::Protect(
+    [Text.Encoding]::UTF8.GetBytes($AccessPassword))
+[IO.File]::WriteAllBytes($secretPath, $protectedPassword)
+$metadata = [ordered]@{
+    ComputerName = $normalizedName
+    RustDeskId = $RustDeskId
+    RegisteredAt = (Get-Date).ToString('o')
+    SecretPath = $secretPath
+}
+[IO.File]::WriteAllText($metadataPath, ($metadata | ConvertTo-Json), [Text.UTF8Encoding]::new($false))
+
+[pscustomobject]@{
+    ComputerName = $normalizedName
+    RustDeskId = $RustDeskId
+    Registered = $true
+    MetadataPath = $metadataPath
+}

scripts/Repair-SguClientEnrollment.ps1

@@ -9,6 +9,8 @@ $enrollmentRoot = Split-Path $ConfigurationPath -Parent
 $testScript = Join-Path $enrollmentRoot 'Test-SguClientEnrollment.ps1'
 $installScript = Join-Path $enrollmentRoot 'Install-CredentialProvider.ps1'
 $remoteAccessScript = Join-Path $enrollmentRoot 'Enable-LabRemoteAccess.ps1'
+$monitoringScript = Join-Path $enrollmentRoot 'Enable-SguClientMonitoring.ps1'
+$rustDeskScript = Join-Path $enrollmentRoot 'Install-SguRustDeskClient.ps1'
 
 $before = & $testScript
 if (-not $before.IsValid) {
@@ -32,6 +34,12 @@ if ($computer.PartOfDomain) {
     & $remoteAccessScript `
         -RemoteDesktopPrincipal ([string]$configuration.RemoteDesktopPrincipal) `
         -EnableAdministrativeFirewallGroups | Out-Null
+    & $monitoringScript | Out-Null
+}
+
+if ($configuration.RustDeskServerAddress -and $configuration.RustDeskServerPublicKey) {
+    & $rustDeskScript -ServerAddress ([string]$configuration.RustDeskServerAddress) `
+        -ServerPublicKey ([string]$configuration.RustDeskServerPublicKey) | Out-Null
 }
 
 $verificationParams = @{}
@@ -40,6 +48,10 @@ if ($computer.PartOfDomain) {
     $verificationParams.RequireRemoteAccess = $true
     $verificationParams.RemoteDesktopPrincipal = [string]$configuration.RemoteDesktopPrincipal
 }
+if ($configuration.RustDeskServerAddress) {
+    $verificationParams.RequireRustDesk = $true
+    $verificationParams.RustDeskServerAddress = [string]$configuration.RustDeskServerAddress
+}
 $after = & $testScript @verificationParams
 $after
 if (-not $after.IsValid) {

scripts/Set-SguDomainComputerPolicies.ps1

@@ -2,7 +2,10 @@
 param(
     [string]$TargetOuDn = 'OU=Laboratorio,DC=lci,DC=lasalle,DC=mx',
     [string]$GpoName = 'SGU - Windows client experience',
-    [string]$DomainController = $env:COMPUTERNAME
+    [string]$DomainController = $env:COMPUTERNAME,
+    [string]$EventCollectorFqdn,
+    [string]$WelcomeWallpaperScriptPath = 'C:\ProgramData\SGU\Branding\Set-SguWelcomeWallpaper.ps1',
+    [string]$WelcomeWallpaperBasePath = 'C:\ProgramData\SGU\Branding\darkblue.jpg'
 )
 
 $ErrorActionPreference = 'Stop'
@@ -24,6 +27,14 @@ if (-not $domainDn) {
     throw 'TargetOuDn does not contain a domain distinguished name.'
 }
 $domainName = ($domainDn -replace ',DC=', '.')
+if (-not $EventCollectorFqdn) {
+    $collectorComputer = Get-ADComputer -Identity $DomainController -Properties DNSHostName `
+        -Server $DomainController -ErrorAction Stop
+    $EventCollectorFqdn = $collectorComputer.DNSHostName
+}
+if (-not $EventCollectorFqdn) {
+    throw 'Could not determine the event collector FQDN.'
+}
 
 $gpo = Get-GPO -Name $GpoName -Domain $domainName -Server $DomainController -ErrorAction SilentlyContinue
 if (-not $gpo -and $PSCmdlet.ShouldProcess($GpoName, 'Create the SGU Windows client policy GPO')) {
@@ -61,15 +72,46 @@ elseif (-not $existingLinkEnabled -and
 
 $dataCollectionKey = 'HKLM\Software\Policies\Microsoft\Windows\DataCollection'
 $powerPolicyRoot = 'HKLM\Software\Policies\Microsoft\Power\PowerSettings'
+$credentialProviderPolicyKey = 'HKLM\Software\Policies\Microsoft\Windows\System'
+$interactiveLogonPolicyKey = 'HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System'
+$accountPicturePolicyKey = 'HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer'
+$eventForwardingPolicyKey = 'HKLM\Software\Policies\Microsoft\Windows\EventLog\EventForwarding\SubscriptionManager'
+$auditPolicyKey = 'HKLM\System\CurrentControlSet\Control\Lsa'
+$runPolicyKey = 'HKLM\Software\Microsoft\Windows\CurrentVersion\Run'
+$personalizationPolicyKey = 'HKLM\Software\Policies\Microsoft\Windows\Personalization'
+$providerClassId = '{D789CFD8-5AD4-489F-9B83-7EB5D9D09335}'
+$welcomeWallpaperCommand = 'powershell.exe -NoLogo -NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File "{0}" -BaseImagePath "{1}"' -f `
+    $WelcomeWallpaperScriptPath,$WelcomeWallpaperBasePath
 $policies = @(
-    @{ Key = $dataCollectionKey; Name = 'AllowTelemetry'; Value = 0 },
-    @{ Key = $dataCollectionKey; Name = 'DisableTelemetryOptInSettingsUx'; Value = 1 },
-    @{ Key = $dataCollectionKey; Name = 'DisableTelemetryOptInChangeNotification'; Value = 1 },
-    @{ Key = $dataCollectionKey; Name = 'DisableDiagnosticDataViewer'; Value = 1 },
-    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\OOBE'; Name = 'DisablePrivacyExperience'; Value = 1 },
-    @{ Key = 'HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System'; Name = 'EnableFirstLogonAnimation'; Value = 0 },
-    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\LocationAndSensors'; Name = 'DisableLocation'; Value = 1 },
-    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\AppPrivacy'; Name = 'LetAppsAccessLocation'; Value = 2 }
+    @{ Key = $dataCollectionKey; Name = 'AllowTelemetry'; Type = 'DWord'; Value = 0 },
+    @{ Key = $dataCollectionKey; Name = 'DisableTelemetryOptInSettingsUx'; Type = 'DWord'; Value = 1 },
+    @{ Key = $dataCollectionKey; Name = 'DisableTelemetryOptInChangeNotification'; Type = 'DWord'; Value = 1 },
+    @{ Key = $dataCollectionKey; Name = 'DisableDiagnosticDataViewer'; Type = 'DWord'; Value = 1 },
+    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\OOBE'; Name = 'DisablePrivacyExperience'; Type = 'DWord'; Value = 1 },
+    @{ Key = $interactiveLogonPolicyKey; Name = 'EnableFirstLogonAnimation'; Type = 'DWord'; Value = 0 },
+    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\LocationAndSensors'; Name = 'DisableLocation'; Type = 'DWord'; Value = 1 },
+    @{ Key = 'HKLM\Software\Policies\Microsoft\Windows\AppPrivacy'; Name = 'LetAppsAccessLocation'; Type = 'DWord'; Value = 2 },
+
+    # Enrollment selects the provider before domain join; this computer GPO
+    # becomes the authoritative, self-healing configuration afterwards.
+    @{ Key = $credentialProviderPolicyKey; Name = 'DefaultCredentialProvider'; Type = 'String'; Value = $providerClassId },
+    @{ Key = $credentialProviderPolicyKey; Name = 'EnumerateLocalUsers'; Type = 'DWord'; Value = 0 },
+    @{ Key = $interactiveLogonPolicyKey; Name = 'DontDisplayLastUserName'; Type = 'DWord'; Value = 1 },
+
+    # Use Windows' native default account image for named user tiles. LogonUI
+    # retains ownership of the anonymous Other user tile and its circular mask.
+    @{ Key = $accountPicturePolicyKey; Name = 'UseDefaultTile'; Type = 'DWord'; Value = 1 },
+
+    # Source-initiated Windows Event Forwarding. Kerberos authenticates domain
+    # computers to the collector; no SGU password or reusable secret is logged.
+    @{ Key = $eventForwardingPolicyKey; Name = '1'; Type = 'String'; Value = "Server=http://${EventCollectorFqdn}:5985/wsman/SubscriptionManager/WEC,Refresh=300" },
+    @{ Key = $auditPolicyKey; Name = 'SCENoApplyLegacyAuditPolicy'; Type = 'DWord'; Value = 1 },
+
+    # The machine GPO remains the authority for every interactive session. The
+    # local payload lets the first desktop render without depending on SMB.
+    @{ Key = $runPolicyKey; Name = 'SGUWelcomeWallpaper'; Type = 'String'; Value = $welcomeWallpaperCommand },
+    @{ Key = $personalizationPolicyKey; Name = 'LockScreenImage'; Type = 'String'; Value = $WelcomeWallpaperBasePath },
+    @{ Key = $personalizationPolicyKey; Name = 'NoChangingLockScreen'; Type = 'DWord'; Value = 1 }
 )
 
 $powerSettingIds = @(
@@ -80,8 +122,8 @@ $powerSettingIds = @(
 )
 foreach ($settingId in $powerSettingIds) {
     $settingKey = "$powerPolicyRoot\$settingId"
-    $policies += @{ Key = $settingKey; Name = 'ACSettingIndex'; Value = 0 }
-    $policies += @{ Key = $settingKey; Name = 'DCSettingIndex'; Value = 0 }
+    $policies += @{ Key = $settingKey; Name = 'ACSettingIndex'; Type = 'DWord'; Value = 0 }
+    $policies += @{ Key = $settingKey; Name = 'DCSettingIndex'; Type = 'DWord'; Value = 0 }
 }
 
 foreach ($policy in $policies) {
@@ -92,7 +134,7 @@ foreach ($policy in $policies) {
             -Server $DomainController `
             -Key $policy.Key `
             -ValueName $policy.Name `
-            -Type DWord `
+            -Type $policy.Type `
             -Value $policy.Value | Out-Null
     }
 }
@@ -105,7 +147,7 @@ foreach ($policy in $policies) {
         -Server $DomainController `
         -Key $policy.Key `
         -ValueName $policy.Name
-    $configuredPolicies[$policy.Name + '@' + $policy.Key] = [int]$configured.Value
+    $configuredPolicies[$policy.Name + '@' + $policy.Key] = $configured.Value
 }
 $link = @(Get-GPInheritance -Target $TargetOuDn -Domain $domainName -Server $DomainController).GpoLinks |
     Where-Object DisplayName -eq $GpoName |
@@ -120,5 +162,8 @@ $linkEnabled = $link -and (
     TargetOu = $TargetOuDn
     LinkEnabled = [bool]$linkEnabled
     PolicyCount = $configuredPolicies.Count
+    EventCollector = $EventCollectorFqdn
+    WelcomeWallpaperCommand = $welcomeWallpaperCommand
+    LockScreenImage = $WelcomeWallpaperBasePath
     Policies = [pscustomobject]$configuredPolicies
 }

scripts/Set-SguDomainUserPolicies.ps1

@@ -3,13 +3,15 @@ param(
     [string]$TargetOuDn = 'OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx',
     [string]$GpoName = 'SGU - User session restrictions',
     [string]$DomainController = $env:COMPUTERNAME,
-    [string]$WallpaperPath
+    [string]$WallpaperPath,
+    [switch]$ClearManagedWallpaper
 )
 
 $ErrorActionPreference = 'Stop'
 $policyKey = 'HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System'
 $policyValueName = 'DisableLockWorkstation'
 $desktopPolicyKey = 'HKCU\Software\Policies\Microsoft\Windows\Control Panel\Desktop'
+$themeKey = 'HKCU\Software\Microsoft\Windows\CurrentVersion\Themes\Personalize'
 
 $identity = [Security.Principal.WindowsIdentity]::GetCurrent()
 $principal = [Security.Principal.WindowsPrincipal]::new($identity)
@@ -83,6 +85,19 @@ if ($PSCmdlet.ShouldProcess($GpoName, 'Prevent SGU users from manually locking w
         -Type String `
         -Value '0' | Out-Null
 
+    # Apply the native Windows dark theme at user logon. Both values are required:
+    # one controls the shell and the other controls supported applications.
+    foreach ($themeValueName in 'AppsUseLightTheme', 'SystemUsesLightTheme') {
+        Set-GPRegistryValue `
+            -Name $GpoName `
+            -Domain $domainName `
+            -Server $DomainController `
+            -Key $themeKey `
+            -ValueName $themeValueName `
+            -Type DWord `
+            -Value 0 | Out-Null
+    }
+
     if ($WallpaperPath) {
         Set-GPRegistryValue `
             -Name $GpoName `
@@ -101,6 +116,17 @@ if ($PSCmdlet.ShouldProcess($GpoName, 'Prevent SGU users from manually locking w
             -Type String `
             -Value '10' | Out-Null
     }
+    elseif ($ClearManagedWallpaper) {
+        foreach ($wallpaperValueName in 'Wallpaper','WallpaperStyle') {
+            Remove-GPRegistryValue `
+                -Name $GpoName `
+                -Domain $domainName `
+                -Server $DomainController `
+                -Key $policyKey `
+                -ValueName $wallpaperValueName `
+                -ErrorAction SilentlyContinue | Out-Null
+        }
+    }
 }
 
 $configuredValue = Get-GPRegistryValue `
@@ -115,6 +141,18 @@ $screenSaverValue = Get-GPRegistryValue `
     -Server $DomainController `
     -Key $desktopPolicyKey `
     -ValueName 'ScreenSaveActive'
+$appsThemeValue = Get-GPRegistryValue `
+    -Name $GpoName `
+    -Domain $domainName `
+    -Server $DomainController `
+    -Key $themeKey `
+    -ValueName 'AppsUseLightTheme'
+$systemThemeValue = Get-GPRegistryValue `
+    -Name $GpoName `
+    -Domain $domainName `
+    -Server $DomainController `
+    -Key $themeKey `
+    -ValueName 'SystemUsesLightTheme'
 $link = @(Get-GPInheritance -Target $TargetOuDn -Domain $domainName -Server $DomainController).GpoLinks |
     Where-Object DisplayName -eq $GpoName |
     Select-Object -First 1
@@ -138,5 +176,7 @@ if ($WallpaperPath) {
     LinkEnabled = [bool]$linkEnabled
     DisableLockWorkstation = [int]$configuredValue.Value
     ScreenSaverDisabled = [string]$screenSaverValue.Value -eq '0'
+    DarkMode = ([int]$appsThemeValue.Value -eq 0) -and ([int]$systemThemeValue.Value -eq 0)
     Wallpaper = $configuredWallpaper
+    DynamicWallpaperAllowed = -not [bool]$configuredWallpaper
 }

scripts/Set-SguWelcomeWallpaper.ps1

@@ -0,0 +1,445 @@
+#Requires -Version 5.1
+[CmdletBinding()]
+param(
+    [string]$BaseImagePath = (Join-Path $env:ProgramData 'SGU\Branding\darkblue.jpg'),
+    [string]$FontsPath = (Join-Path $env:ProgramData 'SGU\Branding\fonts'),
+    [string]$OutputPath,
+    [string]$DisplayName,
+    [string]$ComputerName = $env:COMPUTERNAME,
+    [string]$Location,
+    [string]$OrganizationalUnit,
+    [ValidateRange(640, 16384)]
+    [int]$CanvasWidth,
+    [ValidateRange(480, 16384)]
+    [int]$CanvasHeight,
+    [switch]$SkipDirectoryLookup,
+    [switch]$SkipApply
+)
+
+$ErrorActionPreference = 'Stop'
+$script:LogPath = Join-Path $env:LOCALAPPDATA 'SGU\Logs\welcome-wallpaper.log'
+Add-Type -AssemblyName System.Drawing
+
+function Write-WelcomeLog {
+    param([Parameter(Mandatory)][string]$Message)
+
+    try {
+        $logDirectory = Split-Path $script:LogPath -Parent
+        New-Item -ItemType Directory -Path $logDirectory -Force | Out-Null
+        Add-Content -LiteralPath $script:LogPath `
+            -Value ('{0:o} {1}' -f (Get-Date), $Message) `
+            -Encoding UTF8
+    }
+    catch {
+        # The wallpaper must still be generated when logging is unavailable.
+    }
+}
+
+function ConvertTo-LdapFilterValue {
+    param([Parameter(Mandatory)][string]$Value)
+
+    return $Value.Replace('\', '\5c').Replace('*', '\2a').Replace('(', '\28').Replace(')', '\29').Replace(([string][char]0), '\00')
+}
+
+function ConvertFrom-LdapRdnValue {
+    param([Parameter(Mandatory)][string]$Value)
+
+    $decoded = [Text.RegularExpressions.Regex]::Replace(
+        $Value,
+        '\\([0-9A-Fa-f]{2})',
+        { param($match) [char][Convert]::ToByte($match.Groups[1].Value, 16) })
+    return $decoded.Replace('\,', ',').Replace('\+', '+').Replace('\=', '=').Replace('\\', '\')
+}
+
+function Get-ImmediateOrganizationalUnit {
+    param([string]$DistinguishedName)
+
+    if (-not $DistinguishedName) {
+        return $null
+    }
+
+    $parts = [Text.RegularExpressions.Regex]::Split($DistinguishedName, '(?<!\\),')
+    foreach ($part in $parts) {
+        if ($part.StartsWith('OU=', [StringComparison]::OrdinalIgnoreCase)) {
+            return ConvertFrom-LdapRdnValue -Value $part.Substring(3)
+        }
+    }
+    return $null
+}
+
+function Get-DirectoryWelcomeMetadata {
+    param(
+        [Parameter(Mandatory)][string]$UserName,
+        [Parameter(Mandatory)][string]$MachineName
+    )
+
+    Add-Type -AssemblyName System.DirectoryServices
+    $rootDse = [DirectoryServices.DirectoryEntry]::new('LDAP://RootDSE')
+    try {
+        $namingContext = [string]$rootDse.Properties['defaultNamingContext'][0]
+    }
+    finally {
+        $rootDse.Dispose()
+    }
+    if (-not $namingContext) {
+        throw 'Active Directory did not return a default naming context.'
+    }
+
+    $searchRoot = [DirectoryServices.DirectoryEntry]::new("LDAP://$namingContext")
+    try {
+        $userSearcher = [DirectoryServices.DirectorySearcher]::new($searchRoot)
+        try {
+            $userSearcher.PageSize = 1
+            $userSearcher.Filter = '(&(objectCategory=person)(objectClass=user)(sAMAccountName={0}))' -f `
+                (ConvertTo-LdapFilterValue -Value $UserName)
+            [void]$userSearcher.PropertiesToLoad.Add('displayName')
+            $userResult = $userSearcher.FindOne()
+            $directoryDisplayName = if ($userResult -and $userResult.Properties['displayname'].Count) {
+                [string]$userResult.Properties['displayname'][0]
+            }
+            else {
+                $null
+            }
+        }
+        finally {
+            $userSearcher.Dispose()
+        }
+
+        $computerSearcher = [DirectoryServices.DirectorySearcher]::new($searchRoot)
+        try {
+            $computerSearcher.PageSize = 1
+            $computerSearcher.Filter = '(&(objectCategory=computer)(sAMAccountName={0}))' -f `
+                (ConvertTo-LdapFilterValue -Value ($MachineName + '$'))
+            [void]$computerSearcher.PropertiesToLoad.Add('location')
+            [void]$computerSearcher.PropertiesToLoad.Add('distinguishedName')
+            $computerResult = $computerSearcher.FindOne()
+            $directoryLocation = if ($computerResult -and $computerResult.Properties['location'].Count) {
+                [string]$computerResult.Properties['location'][0]
+            }
+            else {
+                $null
+            }
+            $computerDn = if ($computerResult -and $computerResult.Properties['distinguishedname'].Count) {
+                [string]$computerResult.Properties['distinguishedname'][0]
+            }
+            else {
+                $null
+            }
+        }
+        finally {
+            $computerSearcher.Dispose()
+        }
+    }
+    finally {
+        $searchRoot.Dispose()
+    }
+
+    [pscustomobject]@{
+        DisplayName = $directoryDisplayName
+        Location = $directoryLocation
+        OrganizationalUnit = Get-ImmediateOrganizationalUnit -DistinguishedName $computerDn
+    }
+}
+
+function Get-SpanishArticle {
+    param([Parameter(Mandatory)][string]$Value)
+
+    if ($Value -match '^(Sala|Aula|Facultad|Unidad|Biblioteca|Oficina|Coordinaci.n)\b') {
+        return 'la'
+    }
+    if ($Value -match '^(Laboratorio|Centro|Edificio|Campus|Taller|Auditorio)\b') {
+        return 'el'
+    }
+    return $null
+}
+
+function Get-WelcomeLocationText {
+    param(
+        [string]$Room,
+        [string]$OuName
+    )
+
+    $located = 'Est{0}s ubicado en' -f [char]0x00E1
+    $engineeringLab = 'Bienvenido al Laboratorio de C{0}mputo de Ingenier{1}a.' -f [char]0x00F3,[char]0x00ED
+    $Room = if ($Room) { $Room.Trim() } else { $null }
+    $OuName = if ($OuName) { $OuName.Trim() } else { $null }
+
+    if ($Room -and $OuName) {
+        $roomArticle = Get-SpanishArticle -Value $Room
+        $ouArticle = Get-SpanishArticle -Value $OuName
+        $roomPhrase = if ($roomArticle) { "$roomArticle $Room" } else { $Room }
+        $ouPhrase = if ($ouArticle -eq 'el') { "del $OuName" } elseif ($ouArticle) { "de $ouArticle $OuName" } else { "de $OuName" }
+        return "$located $roomPhrase $ouPhrase."
+    }
+    if ($Room) {
+        $article = Get-SpanishArticle -Value $Room
+        $phrase = if ($article) { "$article $Room" } else { $Room }
+        return "$located $phrase."
+    }
+    if ($OuName) {
+        $article = Get-SpanishArticle -Value $OuName
+        $phrase = if ($article) { "$article $OuName" } else { $OuName }
+        return "$located $phrase."
+    }
+    return $engineeringLab
+}
+
+function Get-AvailableFontFamily {
+    param(
+        [Parameter(Mandatory)][string[]]$Candidates,
+        [Drawing.FontFamily[]]$PrivateFamilies = @()
+    )
+
+    foreach ($candidate in $Candidates) {
+        $privateMatch = @($PrivateFamilies | Where-Object Name -eq $candidate | Select-Object -First 1)
+        if ($privateMatch.Count) {
+            return $privateMatch[0]
+        }
+        if (@([Drawing.FontFamily]::Families | ForEach-Object Name) -contains $candidate) {
+            return [Drawing.FontFamily]::new($candidate)
+        }
+    }
+    return [Drawing.FontFamily]::GenericSansSerif
+}
+
+function New-WelcomeFont {
+    param(
+        [Parameter(Mandatory)][Drawing.FontFamily]$Family,
+        [Parameter(Mandatory)][single]$Size,
+        [Parameter(Mandatory)][Drawing.FontStyle]$PreferredStyle
+    )
+
+    $style = if ($Family.IsStyleAvailable($PreferredStyle)) { $PreferredStyle } `
+        elseif ($Family.IsStyleAvailable([Drawing.FontStyle]::Bold)) { [Drawing.FontStyle]::Bold } `
+        else { [Drawing.FontStyle]::Regular }
+    return [Drawing.Font]::new($Family, $Size, $style, [Drawing.GraphicsUnit]::Pixel)
+}
+
+function Draw-CenteredText {
+    param(
+        [Parameter(Mandatory)][Drawing.Graphics]$Graphics,
+        [Parameter(Mandatory)][string]$Text,
+        [Parameter(Mandatory)][Drawing.Font]$Font,
+        [Parameter(Mandatory)][Drawing.Brush]$Brush,
+        [Parameter(Mandatory)][Drawing.RectangleF]$Bounds,
+        [Parameter(Mandatory)][Drawing.StringFormat]$Format,
+        [single]$ShadowOffset = 2
+    )
+
+    $shadowBounds = [Drawing.RectangleF]::new(
+        $Bounds.X + $ShadowOffset,
+        $Bounds.Y + $ShadowOffset,
+        $Bounds.Width,
+        $Bounds.Height)
+    $shadow = [Drawing.SolidBrush]::new([Drawing.Color]::FromArgb(135, 0, 0, 0))
+    try {
+        $Graphics.DrawString($Text, $Font, $shadow, $shadowBounds, $Format)
+        $Graphics.DrawString($Text, $Font, $Brush, $Bounds, $Format)
+    }
+    finally {
+        $shadow.Dispose()
+    }
+}
+
+trap {
+    Write-WelcomeLog -Message ('ERROR ' + $_.Exception.Message)
+    throw
+}
+
+if (-not (Test-Path -LiteralPath $BaseImagePath -PathType Leaf)) {
+    throw "The welcome wallpaper base image does not exist: $BaseImagePath"
+}
+
+$userName = [Environment]::UserName
+$metadata = $null
+if (-not $SkipDirectoryLookup) {
+    try {
+        $metadata = Get-DirectoryWelcomeMetadata -UserName $userName -MachineName $ComputerName
+    }
+    catch {
+        Write-WelcomeLog -Message ('WARN Active Directory metadata was unavailable: ' + $_.Exception.Message)
+    }
+}
+
+if (-not $PSBoundParameters.ContainsKey('DisplayName')) {
+    $DisplayName = if ($metadata -and $metadata.DisplayName) { $metadata.DisplayName } else { $userName }
+}
+if (-not $DisplayName) {
+    $DisplayName = $userName
+}
+if (-not $PSBoundParameters.ContainsKey('Location') -and $metadata) {
+    $Location = $metadata.Location
+}
+if (-not $PSBoundParameters.ContainsKey('OrganizationalUnit') -and $metadata) {
+    $OrganizationalUnit = $metadata.OrganizationalUnit
+}
+$locationText = Get-WelcomeLocationText -Room $Location -OuName $OrganizationalUnit
+
+if (-not $CanvasWidth -or -not $CanvasHeight) {
+    try {
+        Add-Type -AssemblyName System.Windows.Forms
+        $screenBounds = [Windows.Forms.Screen]::PrimaryScreen.Bounds
+        if (-not $CanvasWidth) { $CanvasWidth = $screenBounds.Width }
+        if (-not $CanvasHeight) { $CanvasHeight = $screenBounds.Height }
+    }
+    catch {
+        if (-not $CanvasWidth) { $CanvasWidth = 1600 }
+        if (-not $CanvasHeight) { $CanvasHeight = 1000 }
+    }
+}
+
+if (-not $OutputPath) {
+    $wallpaperDirectory = Join-Path $env:LOCALAPPDATA 'SGU\Wallpapers'
+    $safeComputerName = $ComputerName -replace '[^A-Za-z0-9_.-]', '_'
+    $OutputPath = Join-Path $wallpaperDirectory "welcome-$safeComputerName.jpg"
+}
+New-Item -ItemType Directory -Path (Split-Path $OutputPath -Parent) -Force | Out-Null
+
+$source = [Drawing.Image]::FromFile($BaseImagePath)
+$canvas = [Drawing.Bitmap]::new($CanvasWidth, $CanvasHeight, [Drawing.Imaging.PixelFormat]::Format24bppRgb)
+try {
+    $graphics = [Drawing.Graphics]::FromImage($canvas)
+    try {
+        $graphics.SmoothingMode = [Drawing.Drawing2D.SmoothingMode]::HighQuality
+        $graphics.InterpolationMode = [Drawing.Drawing2D.InterpolationMode]::HighQualityBicubic
+        $graphics.PixelOffsetMode = [Drawing.Drawing2D.PixelOffsetMode]::HighQuality
+        $graphics.TextRenderingHint = [Drawing.Text.TextRenderingHint]::AntiAliasGridFit
+
+        $sourceRatio = $source.Width / $source.Height
+        $targetRatio = $CanvasWidth / $CanvasHeight
+        if ($sourceRatio -gt $targetRatio) {
+            $sourceHeight = $source.Height
+            $sourceWidth = [int]($sourceHeight * $targetRatio)
+            $sourceX = [int](($source.Width - $sourceWidth) / 2)
+            $sourceY = 0
+        }
+        else {
+            $sourceWidth = $source.Width
+            $sourceHeight = [int]($sourceWidth / $targetRatio)
+            $sourceX = 0
+            $sourceY = [int](($source.Height - $sourceHeight) / 2)
+        }
+        $graphics.DrawImage(
+            $source,
+            [Drawing.Rectangle]::new(0, 0, $CanvasWidth, $CanvasHeight),
+            $sourceX,
+            $sourceY,
+            $sourceWidth,
+            $sourceHeight,
+            [Drawing.GraphicsUnit]::Pixel)
+
+        $scale = [Math]::Min($CanvasWidth / 1600.0, $CanvasHeight / 1000.0)
+        $panelWidth = [single]($CanvasWidth * 0.76)
+        $panelHeight = [single](310 * $scale)
+        $panelX = [single](($CanvasWidth - $panelWidth) / 2)
+        $panelY = [single]($CanvasHeight * 0.50 - ($panelHeight / 2))
+        $panelBrush = [Drawing.SolidBrush]::new([Drawing.Color]::FromArgb(72, 0, 13, 58))
+        $whiteBrush = [Drawing.SolidBrush]::new([Drawing.Color]::White)
+        $accentBrush = [Drawing.SolidBrush]::new([Drawing.Color]::FromArgb(255, 211, 226, 255))
+        $linePen = [Drawing.Pen]::new([Drawing.Color]::FromArgb(155, 211, 226, 255), [single](2 * $scale))
+        $privateFonts = [Drawing.Text.PrivateFontCollection]::new()
+        if (Test-Path -LiteralPath $FontsPath -PathType Container) {
+            foreach ($fontFile in Get-ChildItem -LiteralPath $FontsPath -File |
+                Where-Object Extension -in '.otf','.ttf') {
+                try {
+                    $privateFonts.AddFontFile($fontFile.FullName)
+                }
+                catch {
+                    Write-WelcomeLog -Message ("WARN Font could not be loaded: {0}" -f $fontFile.Name)
+                }
+            }
+        }
+        $sansFamily = Get-AvailableFontFamily `
+            -Candidates @('Indivisa Text Sans', 'Indivisa Text', 'Segoe UI') `
+            -PrivateFamilies $privateFonts.Families
+        $serifFamily = Get-AvailableFontFamily `
+            -Candidates @('Indivisa Text Serif', 'Indivisa Serif', 'Georgia') `
+            -PrivateFamilies $privateFonts.Families
+        $welcomeFont = New-WelcomeFont -Family $sansFamily -Size ([single](34 * $scale)) -PreferredStyle ([Drawing.FontStyle]::Bold)
+        $nameFont = New-WelcomeFont -Family $serifFamily -Size ([single](70 * $scale)) `
+            -PreferredStyle ([Drawing.FontStyle]::Bold -bor [Drawing.FontStyle]::Italic)
+        $locationFont = New-WelcomeFont -Family $sansFamily -Size ([single](27 * $scale)) `
+            -PreferredStyle ([Drawing.FontStyle]::Regular)
+        $format = [Drawing.StringFormat]::new()
+        $format.Alignment = [Drawing.StringAlignment]::Center
+        $format.LineAlignment = [Drawing.StringAlignment]::Center
+        $format.Trimming = [Drawing.StringTrimming]::EllipsisWord
+        try {
+            $graphics.FillRectangle($panelBrush, $panelX, $panelY, $panelWidth, $panelHeight)
+            Draw-CenteredText -Graphics $graphics -Text 'Bienvenido,' -Font $welcomeFont `
+                -Brush $accentBrush -Bounds ([Drawing.RectangleF]::new($panelX, $panelY + 24*$scale, $panelWidth, 50*$scale)) -Format $format
+            Draw-CenteredText -Graphics $graphics -Text $DisplayName -Font $nameFont `
+                -Brush $whiteBrush -Bounds ([Drawing.RectangleF]::new($panelX + 30*$scale, $panelY + 64*$scale, $panelWidth - 60*$scale, 105*$scale)) -Format $format
+            $graphics.DrawLine($linePen, $panelX + 150*$scale, $panelY + 180*$scale, $panelX + $panelWidth - 150*$scale, $panelY + 180*$scale)
+            Draw-CenteredText -Graphics $graphics -Text $locationText -Font $locationFont `
+                -Brush $accentBrush -Bounds ([Drawing.RectangleF]::new($panelX + 60*$scale, $panelY + 190*$scale, $panelWidth - 120*$scale, 94*$scale)) -Format $format
+        }
+        finally {
+            $format.Dispose()
+            $locationFont.Dispose()
+            $nameFont.Dispose()
+            $welcomeFont.Dispose()
+            $serifFamily.Dispose()
+            $sansFamily.Dispose()
+            $privateFonts.Dispose()
+            $linePen.Dispose()
+            $accentBrush.Dispose()
+            $whiteBrush.Dispose()
+            $panelBrush.Dispose()
+        }
+    }
+    finally {
+        $graphics.Dispose()
+    }
+
+    $jpegCodec = [Drawing.Imaging.ImageCodecInfo]::GetImageEncoders() |
+        Where-Object MimeType -eq 'image/jpeg' |
+        Select-Object -First 1
+    $encoderParameters = [Drawing.Imaging.EncoderParameters]::new(1)
+    $encoderParameters.Param[0] = [Drawing.Imaging.EncoderParameter]::new(
+        [Drawing.Imaging.Encoder]::Quality,
+        [long]94)
+    try {
+        $canvas.Save($OutputPath, $jpegCodec, $encoderParameters)
+    }
+    finally {
+        $encoderParameters.Dispose()
+    }
+}
+finally {
+    $canvas.Dispose()
+    $source.Dispose()
+}
+
+if (-not $SkipApply) {
+    $desktopKey = 'HKCU:\Control Panel\Desktop'
+    Set-ItemProperty -LiteralPath $desktopKey -Name Wallpaper -Value $OutputPath
+    Set-ItemProperty -LiteralPath $desktopKey -Name WallpaperStyle -Value '10'
+    Set-ItemProperty -LiteralPath $desktopKey -Name TileWallpaper -Value '0'
+    if (-not ('Sgu.NativeMethods' -as [type])) {
+        Add-Type @'
+using System;
+using System.Runtime.InteropServices;
+namespace Sgu {
+    public static class NativeMethods {
+        [DllImport("user32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
+        public static extern bool SystemParametersInfo(int action, int parameter, string value, int flags);
+    }
+}
+'@
+    }
+    if (-not [Sgu.NativeMethods]::SystemParametersInfo(20, 0, $OutputPath, 3)) {
+        throw "Windows could not apply the generated wallpaper. Win32 error: $([Runtime.InteropServices.Marshal]::GetLastWin32Error())"
+    }
+}
+
+Write-WelcomeLog -Message ("OK computer={0}; location={1}; ou={2}; output={3}" -f $ComputerName,[bool]$Location,[bool]$OrganizationalUnit,$OutputPath)
+[pscustomobject]@{
+    DisplayName = $DisplayName
+    ComputerName = $ComputerName
+    Location = $Location
+    OrganizationalUnit = $OrganizationalUnit
+    LocationText = $locationText
+    OutputPath = $OutputPath
+    Applied = -not $SkipApply
+}

scripts/Set-SguWelcomeWallpaper.sh

@@ -0,0 +1,249 @@
+#!/usr/bin/env bash
+# Generates and applies the SGU welcome wallpaper inside a Linux desktop session.
+# It is intentionally best-effort: unavailable AD metadata or desktop APIs must
+# never delay or prevent the user's session from opening.
+
+set -uo pipefail
+
+CONFIG_PATH=${SGU_WELCOME_CONFIG:-/etc/sgu/welcome-wallpaper.conf}
+INSTALL_ROOT=${SGU_WELCOME_ROOT:-/usr/local/lib/sgu-welcome-wallpaper}
+BASE_IMAGE=${SGU_WELCOME_BASE_IMAGE:-${INSTALL_ROOT}/darkblue.jpg}
+
+if [[ -r $CONFIG_PATH ]]; then
+    # The root-owned file contains only deployment metadata, never credentials.
+    # shellcheck source=/dev/null
+    source "$CONFIG_PATH"
+fi
+
+DOMAIN_CONTROLLER=${DOMAIN_CONTROLLER:-}
+DOMAIN_NAME=${DOMAIN_NAME:-}
+BASE_DN=${BASE_DN:-}
+state_root=${XDG_STATE_HOME:-${HOME}/.local/state}
+wallpaper_root=${XDG_CACHE_HOME:-${HOME}/.cache}/sgu/wallpapers
+log_path="${state_root}/sgu/welcome-wallpaper.log"
+
+log_message() {
+    mkdir -p "$(dirname "$log_path")" 2>/dev/null || true
+    printf '%s %s\n' "$(date --iso-8601=seconds 2>/dev/null || date)" "$*" >>"$log_path" 2>/dev/null || true
+}
+
+fail_softly() {
+    log_message "ERROR $*"
+    exit 0
+}
+
+[[ -r $BASE_IMAGE ]] || fail_softly "Missing base image: $BASE_IMAGE"
+
+if command -v magick >/dev/null 2>&1; then
+    image_command=(magick)
+elif command -v convert >/dev/null 2>&1; then
+    image_command=(convert)
+else
+    fail_softly 'ImageMagick is unavailable.'
+fi
+
+raw_user=${USER:-$(id -un 2>/dev/null || printf user)}
+account_name=${raw_user%@*}
+account_name=${account_name##*\\}
+display_name=$(getent passwd "$raw_user" 2>/dev/null | awk -F: 'NR == 1 { split($5,a,","); print a[1] }')
+[[ -n $display_name ]] || display_name=$account_name
+
+computer_name=$(hostname -s 2>/dev/null || true)
+computer_name=${computer_name^^}
+location=''
+distinguished_name=''
+organizational_unit=''
+
+read_ldif_value() {
+    local attribute=$1
+    local content=$2
+    local line value
+    line=$(printf '%s\n' "$content" | awk -v name="$attribute" '
+        BEGIN { IGNORECASE=1 }
+        index(tolower($0), tolower(name) ":") == 1 { print; exit }
+    ')
+    [[ -n $line ]] || return 0
+    if [[ $line == "${attribute}:: "* || ${line,,} == "${attribute,,}:: "* ]]; then
+        value=${line#*:: }
+        printf '%s' "$value" | base64 --decode 2>/dev/null || true
+    else
+        printf '%s' "${line#*: }"
+    fi
+}
+
+# SSSD normally obtains a Kerberos ticket during PAM authentication. Use that
+# ticket for a read-only AD query; never embed a bind password in this helper.
+if [[ -n $DOMAIN_CONTROLLER && -n $BASE_DN ]] &&
+   command -v ldapsearch >/dev/null 2>&1 &&
+   command -v klist >/dev/null 2>&1 && klist -s; then
+    ldap_server=$DOMAIN_CONTROLLER
+    if [[ -n $DOMAIN_NAME ]] && command -v resolvectl >/dev/null 2>&1; then
+        discovered_server=$(resolvectl query --type=SRV \
+            "_ldap._tcp.dc._msdcs.${DOMAIN_NAME}" 2>/dev/null |
+            awk '/ IN SRV / { for (i=1; i<=NF; i++) if ($i == "SRV") { print $(i+4); exit } }' |
+            sed 's/\.$//' || true)
+        [[ -n $discovered_server ]] && ldap_server=$discovered_server
+    elif [[ -n $DOMAIN_NAME ]] && command -v dig >/dev/null 2>&1; then
+        discovered_server=$(dig +short SRV "_ldap._tcp.dc._msdcs.${DOMAIN_NAME}" 2>/dev/null |
+            awk 'NR == 1 { print $4 }' | sed 's/\.$//' || true)
+        [[ -n $discovered_server ]] && ldap_server=$discovered_server
+    fi
+    ldap_result=$(ldapsearch -LLL -N -o ldif-wrap=no -Y GSSAPI \
+        -H "ldap://${ldap_server}" -b "$BASE_DN" \
+        "(&(objectCategory=computer)(sAMAccountName=${computer_name}\\24))" \
+        location distinguishedName 2>/dev/null || true)
+    location=$(read_ldif_value location "$ldap_result")
+    distinguished_name=$(read_ldif_value distinguishedName "$ldap_result")
+    if [[ $distinguished_name =~ ,OU=([^,]+) ]]; then
+        organizational_unit=${BASH_REMATCH[1]}
+        organizational_unit=${organizational_unit//\\,/,}
+        organizational_unit=${organizational_unit//\\=/=}
+        organizational_unit=${organizational_unit//\\+/+}
+    fi
+
+    # SSSD's GECOS field is not guaranteed to expose AD displayName. Query it
+    # through the same authenticated LDAP session and retain the account-name
+    # fallback when the institutional identifier contains unexpected symbols.
+    if [[ $account_name =~ ^[A-Za-z0-9._-]+$ ]]; then
+        user_result=$(ldapsearch -LLL -N -o ldif-wrap=no -Y GSSAPI \
+            -H "ldap://${ldap_server}" -b "$BASE_DN" \
+            "(&(objectCategory=person)(objectClass=user)(sAMAccountName=${account_name}))" \
+            displayName 2>/dev/null || true)
+        directory_display_name=$(read_ldif_value displayName "$user_result")
+        [[ -n $directory_display_name ]] && display_name=$directory_display_name
+    fi
+else
+    log_message 'WARN AD metadata query skipped because Kerberos or LDAP session data was unavailable.'
+fi
+
+article_for() {
+    local value=${1,,}
+    case "$value" in
+        sala*|aula*|facultad*|unidad*|biblioteca*|oficina*|coordinación*) printf la ;;
+        laboratorio*|centro*|edificio*|campus*|taller*|auditorio*) printf el ;;
+        *) printf '' ;;
+    esac
+}
+
+with_article() {
+    local value=$1
+    local article
+    article=$(article_for "$value")
+    if [[ -n $article ]]; then
+        printf '%s %s' "$article" "$value"
+    else
+        printf '%s' "$value"
+    fi
+}
+
+if [[ -n $location && -n $organizational_unit ]]; then
+    room_phrase=$(with_article "$location")
+    ou_article=$(article_for "$organizational_unit")
+    if [[ $ou_article == el ]]; then
+        ou_phrase="del ${organizational_unit}"
+    elif [[ -n $ou_article ]]; then
+        ou_phrase="de ${ou_article} ${organizational_unit}"
+    else
+        ou_phrase="de ${organizational_unit}"
+    fi
+    location_text="Estás ubicado en ${room_phrase} ${ou_phrase}."
+elif [[ -n $location ]]; then
+    location_text="Estás ubicado en $(with_article "$location")."
+elif [[ -n $organizational_unit ]]; then
+    location_text="Estás ubicado en $(with_article "$organizational_unit")."
+else
+    location_text='Bienvenido al Laboratorio de Cómputo de Ingeniería.'
+fi
+
+width=1600
+height=1000
+if command -v xrandr >/dev/null 2>&1; then
+    geometry=$(xrandr --current 2>/dev/null | awk '/\*/ { print $1; exit }')
+    if [[ $geometry =~ ^([0-9]+)x([0-9]+)$ ]]; then
+        width=${BASH_REMATCH[1]}
+        height=${BASH_REMATCH[2]}
+    fi
+fi
+
+mkdir -p "$wallpaper_root" "$(dirname "$log_path")" ||
+    fail_softly "Cannot create welcome wallpaper state directories."
+safe_computer=${computer_name//[^A-Za-z0-9_.-]/_}
+output_path="${wallpaper_root}/welcome-${safe_computer}.jpg"
+scale=$(( height * 100 / 1000 ))
+(( scale > 45 )) || scale=45
+welcome_size=$(( 34 * scale / 100 ))
+name_size=$(( 70 * scale / 100 ))
+location_size=$(( 27 * scale / 100 ))
+panel_width=$(( width * 76 / 100 ))
+panel_height=$(( 310 * scale / 100 ))
+panel_x1=$(( (width - panel_width) / 2 ))
+panel_y1=$(( height / 2 - panel_height / 2 ))
+panel_x2=$(( panel_x1 + panel_width ))
+panel_y2=$(( panel_y1 + panel_height ))
+
+sans_font='DejaVu-Sans'
+serif_font='DejaVu-Serif'
+if [[ -r ${INSTALL_ROOT}/fonts/IndivisaTextSans-Bold.otf ]]; then
+    sans_font="${INSTALL_ROOT}/fonts/IndivisaTextSans-Bold.otf"
+fi
+if [[ -r ${INSTALL_ROOT}/fonts/IndivisaTextSerif-BoldItalic.otf ]]; then
+    serif_font="${INSTALL_ROOT}/fonts/IndivisaTextSerif-BoldItalic.otf"
+fi
+if [[ $sans_font == DejaVu-Sans ]] && command -v fc-list >/dev/null 2>&1; then
+    if fc-list : family | grep -Fqi 'Indivisa Text Sans'; then
+        sans_font='Indivisa Text Sans'
+    elif fc-list : family | grep -Fqi 'Indivisa Text'; then
+        sans_font='Indivisa Text'
+    fi
+fi
+if [[ $serif_font == DejaVu-Serif ]] && command -v fc-list >/dev/null 2>&1; then
+    if fc-list : family | grep -Fqi 'Indivisa Text Serif'; then
+        serif_font='Indivisa Text Serif'
+    elif fc-list : family | grep -Fqi 'Indivisa Serif'; then
+        serif_font='Indivisa Serif'
+    fi
+fi
+
+if ! "${image_command[@]}" "$BASE_IMAGE" \
+    -resize "${width}x${height}^" -gravity center -extent "${width}x${height}" \
+    -fill 'rgba(0,13,58,0.30)' -draw "rectangle ${panel_x1},${panel_y1} ${panel_x2},${panel_y2}" \
+    -gravity center \
+    -font "$sans_font" -weight 700 -style Normal -pointsize "$welcome_size" \
+    -fill '#D3E2FF' -stroke 'rgba(0,0,0,0.48)' -strokewidth 1 \
+    -annotate "+0-$(( 92 * scale / 100 ))" 'Bienvenido,' \
+    -font "$serif_font" -weight 700 -style Italic -pointsize "$name_size" \
+    -fill white -annotate "+0-$(( 22 * scale / 100 ))" "$display_name" \
+    -font "$sans_font" -weight 400 -style Normal -pointsize "$location_size" \
+    -fill '#D3E2FF' -annotate "+0+$(( 88 * scale / 100 ))" "$location_text" \
+    -quality 94 "$output_path" 2>>"$log_path"; then
+    fail_softly 'ImageMagick could not render the welcome wallpaper.'
+fi
+
+applied=false
+if command -v gsettings >/dev/null 2>&1; then
+    if gsettings list-schemas 2>/dev/null | grep -Fxq 'org.cinnamon.desktop.background'; then
+        gsettings set org.cinnamon.desktop.background picture-uri "file://${output_path}" >/dev/null 2>&1 || true
+        gsettings set org.cinnamon.desktop.background picture-options zoom >/dev/null 2>&1 || true
+        applied=true
+    fi
+    if gsettings list-schemas 2>/dev/null | grep -Fxq 'org.gnome.desktop.background'; then
+        gsettings set org.gnome.desktop.background picture-uri "file://${output_path}" >/dev/null 2>&1 || true
+        gsettings set org.gnome.desktop.background picture-uri-dark "file://${output_path}" >/dev/null 2>&1 || true
+        gsettings set org.gnome.desktop.background picture-options zoom >/dev/null 2>&1 || true
+        applied=true
+    fi
+fi
+
+if [[ $applied == false ]] && command -v xfconf-query >/dev/null 2>&1; then
+    while IFS= read -r property; do
+        xfconf-query -c xfce4-desktop -p "$property" -s "$output_path" >/dev/null 2>&1 || true
+        applied=true
+    done < <(xfconf-query -c xfce4-desktop -l 2>/dev/null | grep '/last-image$' || true)
+fi
+
+if [[ $applied == true ]]; then
+    log_message "OK computer=${computer_name}; location=$([[ -n $location ]] && printf true || printf false); ou=$([[ -n $organizational_unit ]] && printf true || printf false); output=${output_path}"
+else
+    log_message 'WARN Wallpaper rendered, but no supported desktop background API was found.'
+fi
+exit 0

scripts/Test-SguClientEnrollment.ps1

@@ -4,6 +4,8 @@ param(
     [switch]$RequireRemoteAccess,
     [switch]$RequireBrokerHealth,
     [string]$RemoteDesktopPrincipal = 'LCI\SG-Laboratorio-Usuarios-RDP',
+    [switch]$RequireRustDesk,
+    [string]$RustDeskServerAddress,
     [switch]$Enforce
 )
 
@@ -158,6 +160,42 @@ if ($RequireRemoteAccess) {
     }
 }
 
+$rustDeskReady = $null
+$rustDeskId = $null
+if ($RequireRustDesk) {
+    if ([string]::IsNullOrWhiteSpace($RustDeskServerAddress)) {
+        $issues.Add('RustDesk validation requires RustDeskServerAddress.')
+    }
+    $rustDeskService = Get-Service -Name 'RustDesk' -ErrorAction SilentlyContinue
+    $rustDeskStatePath = Join-Path $env:ProgramData 'SGU\RustDesk\Client\device.json'
+    $rustDeskSecretPath = Join-Path $env:ProgramData 'SGU\RustDesk\Client\access.secret'
+    $rustDeskConfigPath = Join-Path $env:WINDIR `
+        'ServiceProfiles\LocalService\AppData\Roaming\RustDesk\config\RustDesk2.toml'
+    $rustDeskConfig = if (Test-Path -LiteralPath $rustDeskConfigPath -PathType Leaf) {
+        Get-Content -LiteralPath $rustDeskConfigPath -Raw
+    }
+    else {
+        ''
+    }
+    $rustDeskState = $null
+    try {
+        $rustDeskState = Get-Content -LiteralPath $rustDeskStatePath -Raw | ConvertFrom-Json
+        $rustDeskId = [string]$rustDeskState.RustDeskId
+    }
+    catch {
+        # The checks below report the missing or invalid state as one enrollment issue.
+    }
+    $rustDeskReady =
+        $rustDeskService -and $rustDeskService.Status -eq 'Running' -and
+        (Test-Path -LiteralPath $rustDeskSecretPath -PathType Leaf) -and
+        $rustDeskState -and $rustDeskState.ServerAddress -eq $RustDeskServerAddress -and
+        $rustDeskId -match '^\d+$' -and
+        $rustDeskConfig -match [regex]::Escape("rendezvous_server = '$RustDeskServerAddress`:21116'")
+    if (-not $rustDeskReady) {
+        $issues.Add('RustDesk is not installed, running, or configured for the expected self-hosted server.')
+    }
+}
+
 $result = [pscustomobject]@{
     ComputerName = $env:COMPUTERNAME
     Domain = $computer.Domain
@@ -175,6 +213,8 @@ $result = [pscustomobject]@{
     DotNetRuntimePresent = $dotNetRuntimePresent
     BrokerHealth = $brokerHealth
     RemoteAccessReady = $remoteAccessReady
+    RustDeskReady = $rustDeskReady
+    RustDeskId = $rustDeskId
     IsValid = $issues.Count -eq 0
     Issues = $issues.ToArray()
 }

src/SGU.AuthBroker.Core/Profiles/SguProfileParser.cs

@@ -36,6 +36,12 @@ public static class SguProfileParser
     private const string StudentPostalCodeId = "ctl00_contenedor_HistorialAlumno1_lblCPAlumnoHP";
 
     public static InstitutionalProfile? ParseAdministrative(string html, string expectedEmployeeNumber)
+        => ParseStaffHeader(html, expectedEmployeeNumber);
+
+    public static InstitutionalProfile? ParseProfessorPayroll(string html, string expectedEmployeeNumber)
+        => ParseStaffHeader(html, expectedEmployeeNumber);
+
+    private static InstitutionalProfile? ParseStaffHeader(string html, string expectedEmployeeNumber)
     {
         ArgumentNullException.ThrowIfNull(html);
         ArgumentException.ThrowIfNullOrWhiteSpace(expectedEmployeeNumber);

src/SGU.AuthBroker/BrokerEventIds.cs

@@ -0,0 +1,25 @@
+namespace SGU.AuthBroker;
+
+internal static class BrokerEventIds
+{
+    internal static readonly EventId BrokerStarted = new(900, nameof(BrokerStarted));
+    internal static readonly EventId AuthenticationAuthorized = new(1000, nameof(AuthenticationAuthorized));
+    internal static readonly EventId AuthenticationRejected = new(1001, nameof(AuthenticationRejected));
+    internal static readonly EventId AuthenticationUnavailable = new(1002, nameof(AuthenticationUnavailable));
+    internal static readonly EventId AuthenticationInvalidRequest = new(1003, nameof(AuthenticationInvalidRequest));
+
+    internal static readonly EventId SguAuthenticationAccepted = new(1100, nameof(SguAuthenticationAccepted));
+    internal static readonly EventId SguAuthenticationTimeout = new(1101, nameof(SguAuthenticationTimeout));
+    internal static readonly EventId SguAuthenticationNetworkFailure = new(1102, nameof(SguAuthenticationNetworkFailure));
+
+    internal static readonly EventId ProfileEnrichmentCompleted = new(1200, nameof(ProfileEnrichmentCompleted));
+    internal static readonly EventId ProfileHtmlUnexpected = new(1201, nameof(ProfileHtmlUnexpected));
+    internal static readonly EventId ProfileEnrichmentTimeout = new(1202, nameof(ProfileEnrichmentTimeout));
+    internal static readonly EventId ProfileEnrichmentFailure = new(1203, nameof(ProfileEnrichmentFailure));
+    internal static readonly EventId ProfilePageUnavailable = new(1204, nameof(ProfilePageUnavailable));
+
+    internal static readonly EventId DirectorySynchronizationFailure = new(1300, nameof(DirectorySynchronizationFailure));
+    internal static readonly EventId DirectoryOptionalMetadataFailure = new(1301, nameof(DirectoryOptionalMetadataFailure));
+    internal static readonly EventId DirectoryGroupMembershipFailure = new(1302, nameof(DirectoryGroupMembershipFailure));
+    internal static readonly EventId DirectoryRoleGroupMembershipAdded = new(1303, nameof(DirectoryRoleGroupMembershipAdded));
+}

src/SGU.AuthBroker/Options/BrokerOptions.cs

@@ -49,6 +49,7 @@ public sealed class BrokerOptions
             Ntlm.AdministrativePersonalProfilePath,
             Ntlm.AdministrativeLocationProfilePath,
             Ntlm.StudentProfilePath,
+            Ntlm.ProfessorPayrollProfilePath,
             Ntlm.MenuProfilePath
         })
         {
@@ -86,6 +87,14 @@ public sealed class BrokerOptions
             {
                 throw new InvalidOperationException($"The OU mapping for {role} must be beneath BaseDn.");
             }
+
+            string groupDn = Directory.GetGroupDn(role);
+            if (string.IsNullOrWhiteSpace(groupDn) ||
+                !groupDn.StartsWith("CN=", StringComparison.OrdinalIgnoreCase) ||
+                !groupDn.EndsWith($",{Directory.BaseDn}", StringComparison.OrdinalIgnoreCase))
+            {
+                throw new InvalidOperationException($"The security-group mapping for {role} must identify a group beneath BaseDn.");
+            }
         }
 
         if (!string.IsNullOrWhiteSpace(Directory.RemoteDesktopGroupDn) &&
@@ -141,6 +150,9 @@ public sealed class NtlmOptions
     public string StudentProfilePath { get; init; } =
         "/psulsa/alumnos/consultainformacionalumnos/consultainformacion.aspx";
 
+    public string ProfessorPayrollProfilePath { get; init; } =
+        "/psulsa/gadmon/nomina/consultanomina.aspx";
+
     public string MenuProfilePath { get; init; } = "/psulsa/menu.aspx";
 
     public int MaxProfileBytes { get; init; } = 512 * 1024;
@@ -164,6 +176,12 @@ public sealed class ActiveDirectoryOptions
 
     public string AdministrativeOuDn { get; init; } = "OU=Administrativos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx";
 
+    public string ProfessorGroupDn { get; init; } = "CN=SGU-Docentes,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx";
+
+    public string StudentGroupDn { get; init; } = "CN=SGU-Alumnos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx";
+
+    public string AdministrativeGroupDn { get; init; } = "CN=SGU-Administrativos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx";
+
     public string RemoteDesktopGroupDn { get; init; } = string.Empty;
 
     public string DefaultCompany { get; init; } = "La Salle";
@@ -177,4 +195,12 @@ public sealed class ActiveDirectoryOptions
         InstitutionalRole.Administrative => AdministrativeOuDn,
         _ => throw new ArgumentOutOfRangeException(nameof(role), role, null)
     };
+
+    public string GetGroupDn(InstitutionalRole role) => role switch
+    {
+        InstitutionalRole.Professor => ProfessorGroupDn,
+        InstitutionalRole.Student => StudentGroupDn,
+        InstitutionalRole.Administrative => AdministrativeGroupDn,
+        _ => throw new ArgumentOutOfRangeException(nameof(role), role, null)
+    };
 }

src/SGU.AuthBroker/Program.cs

@@ -1,7 +1,9 @@
+using System.Diagnostics;
 using System.Net.Security;
 using System.Security.Cryptography.X509Certificates;
 using System.Threading.RateLimiting;
 using Microsoft.AspNetCore.Server.Kestrel.Https;
+using SGU.AuthBroker;
 using SGU.AuthBroker.Contracts;
 using SGU.AuthBroker.Core.Authentication;
 using SGU.AuthBroker.Core.Directory;
@@ -10,6 +12,16 @@ using SGU.AuthBroker.Services;
 
 WebApplicationBuilder builder = WebApplication.CreateBuilder(args);
 builder.Host.UseWindowsService(options => options.ServiceName = "SGU Authentication Broker");
+if (builder.Configuration.GetValue("Broker:Diagnostics:UseDedicatedEventLog", false))
+{
+    builder.Logging.ClearProviders();
+    builder.Logging.AddEventLog(settings =>
+    {
+        settings.LogName = "SGU Auth Broker";
+        settings.SourceName = "SGU.AuthBroker.Operational";
+        settings.Filter = (_, level) => level >= LogLevel.Information;
+    });
+}
 
 BrokerOptions brokerOptions = builder.Configuration
     .GetSection(BrokerOptions.SectionName)
@@ -56,6 +68,12 @@ builder.Services.AddRateLimiter(options =>
 });
 
 WebApplication app = builder.Build();
+ILogger auditLogger = app.Services.GetRequiredService<ILoggerFactory>()
+    .CreateLogger("SGU.AuthBroker.Audit");
+auditLogger.LogInformation(
+    BrokerEventIds.BrokerStarted,
+    "SGU Authentication Broker started with dedicated operational diagnostics enabled={DedicatedDiagnosticsEnabled}.",
+    builder.Configuration.GetValue("Broker:Diagnostics:UseDedicatedEventLog", false));
 app.UseRateLimiter();
 app.Use(async (context, next) =>
 {
@@ -75,16 +93,58 @@ app.MapPost("/v1/authenticate", async (
 {
     if (string.IsNullOrWhiteSpace(request.Password) || request.Password.Length > 256)
     {
+        auditLogger.LogInformation(
+            BrokerEventIds.AuthenticationInvalidRequest,
+            "Authentication request rejected before validation for {InstitutionalUser}: password was missing or outside the supported length.",
+            SafeUserName(request.Clave));
         request.ReleasePasswordReference();
         return Results.BadRequest(new ErrorResponse("MISSING_PASSWORD", "La contraseña es requerida."));
     }
 
+    Stopwatch elapsed = Stopwatch.StartNew();
     try
     {
         AuthenticationFlowResult result = await workflow
             .AuthenticateAsync(request.Clave, request.Password, cancellationToken)
             .ConfigureAwait(false);
 
+        string institutionalUser = result.Identity?.UserName ?? SafeUserName(request.Clave);
+        switch (result.Outcome)
+        {
+            case AuthenticationFlowOutcome.Authorized:
+                auditLogger.LogInformation(
+                    BrokerEventIds.AuthenticationAuthorized,
+                    "Authentication completed for {InstitutionalUser} with role {Role} in {ElapsedMilliseconds} ms. AD created={Created}; moved={Moved}.",
+                    institutionalUser,
+                    result.Identity!.Role,
+                    elapsed.ElapsedMilliseconds,
+                    result.Directory!.Created,
+                    result.Directory.Moved);
+                break;
+            case AuthenticationFlowOutcome.InvalidCredentials:
+                auditLogger.LogInformation(
+                    BrokerEventIds.AuthenticationRejected,
+                    "Authentication was rejected for {InstitutionalUser} with code {ErrorCode} after {ElapsedMilliseconds} ms.",
+                    institutionalUser,
+                    result.ErrorCode,
+                    elapsed.ElapsedMilliseconds);
+                break;
+            case AuthenticationFlowOutcome.Unavailable:
+                auditLogger.LogWarning(
+                    BrokerEventIds.AuthenticationUnavailable,
+                    "Authentication was unavailable for {InstitutionalUser} with code {ErrorCode} after {ElapsedMilliseconds} ms.",
+                    institutionalUser,
+                    result.ErrorCode,
+                    elapsed.ElapsedMilliseconds);
+                break;
+            default:
+                auditLogger.LogInformation(
+                    BrokerEventIds.AuthenticationInvalidRequest,
+                    "Authentication request had an invalid institutional user format after {ElapsedMilliseconds} ms.",
+                    elapsed.ElapsedMilliseconds);
+                break;
+        }
+
         return result.Outcome switch
         {
             AuthenticationFlowOutcome.Authorized => Results.Ok(new AuthenticationResponse(
@@ -125,3 +185,11 @@ static IResult Unavailable(HttpContext context, string? errorCode)
 
 static string NormalizeThumbprint(string value) =>
     value.Replace(" ", string.Empty, StringComparison.Ordinal).ToUpperInvariant();
+
+static string SafeUserName(string? value)
+{
+    string candidate = value?.Trim().ToUpperInvariant() ?? string.Empty;
+    return candidate.Length is > 0 and <= 16 && candidate.All(char.IsAsciiLetterOrDigit)
+        ? candidate
+        : "<invalid-format>";
+}

src/SGU.AuthBroker/Services/ActiveDirectorySynchronizer.cs

@@ -7,7 +7,9 @@ using SGU.AuthBroker.Options;
 
 namespace SGU.AuthBroker.Services;
 
-public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActiveDirectorySynchronizer
+public sealed class ActiveDirectorySynchronizer(
+    BrokerOptions options,
+    ILogger<ActiveDirectorySynchronizer> logger) : IActiveDirectorySynchronizer
 {
     private const int AccountDisabled = 0x0002;
     private const int NormalAccount = 0x0200;
@@ -26,12 +28,29 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
     {
         SemaphoreSlim gate = userLocks.GetOrAdd(identity.UserName, static _ => new SemaphoreSlim(1, 1));
         await gate.WaitAsync(cancellationToken).ConfigureAwait(false);
+        try
+        {
             try
             {
                 return await Task.Run(
                     () => Synchronize(identity, profile, password),
                     cancellationToken).ConfigureAwait(false);
             }
+            catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
+            {
+                throw;
+            }
+            catch (Exception exception)
+            {
+                logger.LogError(
+                    BrokerEventIds.DirectorySynchronizationFailure,
+                    exception,
+                    "Active Directory synchronization failed for {InstitutionalUser} with role {Role}.",
+                    identity.UserName,
+                    identity.Role);
+                throw;
+            }
+        }
         finally
         {
             gate.Release();
@@ -90,6 +109,12 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
                 user.CommitChanges();
             }
 
+            // Role membership is part of account provisioning, not optional
+            // enrichment. Do it before changing the password so a missing or
+            // inaccessible authorization group cannot leave a newly usable
+            // account without its required classification.
+            EnsureRoleGroupMembership(user, identity);
+
             // The exact institutional password received by the broker is passed to AD.
             // It is not derived, transformed, written to disk, or included in logs.
             user.Invoke("SetPassword", [password]);
@@ -100,8 +125,8 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
             user.Properties["pwdLastSet"].Value = -1;
             user.CommitChanges();
 
-            TryApplyProfile(user, identity, profile, options.DefaultCompany);
-            TryEnsureRemoteDesktopGroupMembership(user);
+            TryApplyProfile(user, identity, profile, options.DefaultCompany, logger);
+            TryEnsureRemoteDesktopGroupMembership(user, identity.UserName);
 
             return new DirectorySyncResult(
                 options.DomainNetbios,
@@ -120,7 +145,8 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
         DirectoryEntry user,
         UserIdentity identity,
         InstitutionalProfile? profile,
-        string defaultCompany)
+        string defaultCompany,
+        ILogger logger)
     {
         try
         {
@@ -146,10 +172,15 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
 
             user.CommitChanges();
         }
-        catch
+        catch (Exception exception)
         {
             // Metadata is intentionally best-effort. User creation, password sync,
             // and account enablement have already committed successfully.
+            logger.LogWarning(
+                BrokerEventIds.DirectoryOptionalMetadataFailure,
+                exception,
+                "Optional Active Directory profile metadata could not be committed for {InstitutionalUser}; password synchronization remains completed.",
+                identity.UserName);
             try
             {
                 user.RefreshCache();
@@ -170,7 +201,34 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
         }
     }
 
-    private void TryEnsureRemoteDesktopGroupMembership(DirectoryEntry user)
+    private void EnsureRoleGroupMembership(DirectoryEntry user, UserIdentity identity)
+    {
+        user.RefreshCache(["distinguishedName"]);
+        string? userDn = Convert.ToString(user.Properties["distinguishedName"].Value);
+        if (string.IsNullOrWhiteSpace(userDn))
+        {
+            throw new InvalidOperationException($"Active Directory did not return a distinguished name for {identity.UserName}.");
+        }
+
+        string groupDn = options.GetGroupDn(identity.Role);
+        using DirectoryEntry group = Bind(groupDn);
+        _ = group.NativeObject;
+        if (group.Properties["member"].Contains(userDn))
+        {
+            return;
+        }
+
+        group.Properties["member"].Add(userDn);
+        group.CommitChanges();
+        logger.LogInformation(
+            BrokerEventIds.DirectoryRoleGroupMembershipAdded,
+            "Added {InstitutionalUser} with role {Role} to Active Directory security group {GroupDn}.",
+            identity.UserName,
+            identity.Role,
+            groupDn);
+    }
+
+    private void TryEnsureRemoteDesktopGroupMembership(DirectoryEntry user, string institutionalUser)
     {
         if (string.IsNullOrWhiteSpace(options.RemoteDesktopGroupDn))
         {
@@ -194,10 +252,15 @@ public sealed class ActiveDirectorySynchronizer(BrokerOptions options) : IActive
                 group.CommitChanges();
             }
         }
-        catch
+        catch (Exception exception)
         {
             // Remote access is lab policy and must not invalidate a completed
             // password synchronization if the optional group is unavailable.
+            logger.LogWarning(
+                BrokerEventIds.DirectoryGroupMembershipFailure,
+                exception,
+                "Optional remote-desktop group membership could not be updated for {InstitutionalUser}; password synchronization remains completed.",
+                institutionalUser);
         }
     }
 

src/SGU.AuthBroker/Services/NtlmCredentialValidator.cs

@@ -35,6 +35,10 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         string password,
         CancellationToken cancellationToken)
     {
+        using IDisposable? logScope = logger.BeginScope(
+            "InstitutionalUser={InstitutionalUser}; InstitutionalRole={InstitutionalRole}",
+            identity.UserName,
+            identity.Role);
         Uri authenticationUri = new(
             new Uri(options.Endpoint, UriKind.Absolute),
             options.AuthenticationPath);
@@ -155,6 +159,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
                     }
 
                     logger.LogInformation(
+                        BrokerEventIds.SguAuthenticationAccepted,
                         "SGU accepted credentials after an explicit NTLM challenge in {ElapsedMilliseconds} ms.",
                         elapsed.ElapsedMilliseconds);
                     return (null, continuationUri);
@@ -184,6 +189,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         catch (OperationCanceledException) when (!cancellationToken.IsCancellationRequested)
         {
             logger.LogWarning(
+                BrokerEventIds.SguAuthenticationTimeout,
                 "SGU NTLM authentication timed out after {ElapsedMilliseconds} ms.",
                 elapsed.ElapsedMilliseconds);
             return (NtlmValidationResult.Unavailable("NTLM_TIMEOUT"), null);
@@ -191,6 +197,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         catch (HttpRequestException exception)
         {
             logger.LogWarning(
+                BrokerEventIds.SguAuthenticationNetworkFailure,
                 exception,
                 "SGU NTLM authentication failed after {ElapsedMilliseconds} ms.",
                 elapsed.ElapsedMilliseconds);
@@ -337,7 +344,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
                         profile = await TryEnrichStaffProfileAsync(
                             client,
                             profile!,
-                            identity.Role,
+                            identity,
                             allowedHosts,
                             timeout.Token,
                             cancellationToken,
@@ -347,6 +354,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
                     if (profile is null)
                     {
                         logger.LogWarning(
+                            BrokerEventIds.ProfileHtmlUnexpected,
                             "SGU returned a profile page for role {Role}, but no supported profile fields were found after {ElapsedMilliseconds} ms.",
                             identity.Role,
                             elapsed.ElapsedMilliseconds);
@@ -354,8 +362,10 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
                     else
                     {
                         logger.LogInformation(
-                            "SGU profile enrichment completed for role {Role} in {ElapsedMilliseconds} ms.",
+                            BrokerEventIds.ProfileEnrichmentCompleted,
+                            "SGU profile enrichment completed for role {Role} with {ProfileFieldCount} supported fields in {ElapsedMilliseconds} ms.",
                             identity.Role,
+                            CountProfileFields(profile),
                             elapsed.ElapsedMilliseconds);
                     }
 
@@ -382,6 +392,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         catch (OperationCanceledException)
         {
             logger.LogWarning(
+                BrokerEventIds.ProfileEnrichmentTimeout,
                 "SGU profile request for role {Role} timed out after {ElapsedMilliseconds} ms.",
                 identity.Role,
                 elapsed.ElapsedMilliseconds);
@@ -389,6 +400,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         catch (Exception exception)
         {
             logger.LogWarning(
+                BrokerEventIds.ProfileEnrichmentFailure,
                 exception,
                 "SGU profile enrichment failed for role {Role} after {ElapsedMilliseconds} ms.",
                 identity.Role,
@@ -401,18 +413,27 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
     private async Task<InstitutionalProfile> TryEnrichStaffProfileAsync(
         HttpClient client,
         InstitutionalProfile baseProfile,
-        InstitutionalRole role,
+        UserIdentity identity,
         HashSet<string> allowedHosts,
         CancellationToken timeoutToken,
         CancellationToken requestCancellationToken,
         Stopwatch elapsed)
     {
         InstitutionalProfile profile = baseProfile;
-        (string Path, Func<string, InstitutionalProfile?> Parser)[] pages =
-        [
-            (options.AdministrativePersonalProfilePath, SguProfileParser.ParseAdministrativePersonal),
-            (options.AdministrativeLocationProfilePath, SguProfileParser.ParseAdministrativeLocation)
-        ];
+        List<(string Path, Func<string, InstitutionalProfile?> Parser)> pages = [];
+        if (identity.Role == InstitutionalRole.Professor)
+        {
+            pages.Add((
+                options.ProfessorPayrollProfilePath,
+                html => SguProfileParser.ParseProfessorPayroll(html, identity.NumericId)));
+        }
+
+        pages.Add((
+            options.AdministrativePersonalProfilePath,
+            SguProfileParser.ParseAdministrativePersonal));
+        pages.Add((
+            options.AdministrativeLocationProfilePath,
+            SguProfileParser.ParseAdministrativeLocation));
 
         foreach ((string path, Func<string, InstitutionalProfile?> parser) in pages)
         {
@@ -423,22 +444,45 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
                     GetProfileUri(path),
                     allowedHosts,
                     timeoutToken).ConfigureAwait(false);
-                profile = profile.Overlay(html is null ? null : parser(html));
+                if (html is null)
+                {
+                    logger.LogWarning(
+                        BrokerEventIds.ProfilePageUnavailable,
+                        "Optional SGU profile page {Path} did not return usable HTML for role {Role}; preserving fields already collected.",
+                        path,
+                        identity.Role);
+                    continue;
+                }
+
+                InstitutionalProfile? pageProfile = parser(html);
+                if (pageProfile is null)
+                {
+                    logger.LogWarning(
+                        BrokerEventIds.ProfileHtmlUnexpected,
+                        "Optional SGU profile page {Path} returned HTML without its supported field IDs for role {Role}; preserving fields already collected.",
+                        path,
+                        identity.Role);
+                    continue;
+                }
+
+                profile = profile.Overlay(pageProfile);
             }
             catch (OperationCanceledException) when (!requestCancellationToken.IsCancellationRequested)
             {
                 logger.LogWarning(
+                    BrokerEventIds.ProfileEnrichmentTimeout,
                     "SGU optional staff profile enrichment for role {Role} reached its total timeout after {ElapsedMilliseconds} ms; preserving fields already collected.",
-                    role,
+                    identity.Role,
                     elapsed.ElapsedMilliseconds);
                 break;
             }
             catch (Exception exception)
             {
                 logger.LogWarning(
+                    BrokerEventIds.ProfileEnrichmentFailure,
                     exception,
                     "An optional SGU staff profile page for role {Role} failed after {ElapsedMilliseconds} ms; preserving fields already collected.",
-                    role,
+                    identity.Role,
                     elapsed.ElapsedMilliseconds);
             }
         }
@@ -487,6 +531,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
             }
 
             logger.LogWarning(
+                BrokerEventIds.ProfilePageUnavailable,
                 "Optional SGU profile page {Path} returned HTTP {StatusCode}.",
                 requestedUri.AbsolutePath,
                 statusCode);
@@ -494,6 +539,7 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
         }
 
         logger.LogWarning(
+            BrokerEventIds.ProfilePageUnavailable,
             "Optional SGU profile page {Path} exceeded the redirect limit.",
             requestedUri.AbsolutePath);
         return null;
@@ -550,6 +596,23 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
             right.AbsolutePath.TrimEnd('/'),
             StringComparison.OrdinalIgnoreCase);
 
+    private static int CountProfileFields(InstitutionalProfile profile) =>
+        new[]
+        {
+            profile.EmployeeNumber,
+            profile.DisplayName,
+            profile.GivenName,
+            profile.Surname,
+            profile.Email,
+            profile.EmployeeType,
+            profile.JobTitle,
+            profile.Department,
+            profile.StreetAddress,
+            profile.City,
+            profile.State,
+            profile.PostalCode
+        }.Count(value => !string.IsNullOrWhiteSpace(value));
+
     private static async Task DrainResponseAsync(
         HttpResponseMessage response,
         CancellationToken cancellationToken)
@@ -604,17 +667,31 @@ public sealed class NtlmCredentialValidator : INtlmCredentialValidator
             response.Content,
             options.MaxProfileBytes,
             timeoutToken).ConfigureAwait(false);
-        return identity.Role switch
+        InstitutionalProfile? profile;
+        switch (identity.Role)
         {
-            InstitutionalRole.Administrative =>
-                SguProfileParser.ParseAdministrative(html, identity.NumericId) ??
-                SguProfileParser.ParseMenu(html),
-            InstitutionalRole.Student =>
-                SguProfileParser.ParseStudent(html, identity.NumericId) ??
-                SguProfileParser.ParseMenu(html),
-            InstitutionalRole.Professor => SguProfileParser.ParseMenu(html),
-            _ => null
-        };
+            case InstitutionalRole.Administrative:
+                profile = SguProfileParser.ParseAdministrative(html, identity.NumericId);
+                break;
+            case InstitutionalRole.Student:
+                profile = SguProfileParser.ParseStudent(html, identity.NumericId);
+                break;
+            case InstitutionalRole.Professor:
+                return SguProfileParser.ParseMenu(html);
+            default:
+                return null;
+        }
+
+        if (profile is not null)
+        {
+            return profile;
+        }
+
+        logger.LogWarning(
+            BrokerEventIds.ProfileHtmlUnexpected,
+            "The primary SGU profile HTML did not contain the supported field IDs for role {Role}; attempting the menu-name fallback.",
+            identity.Role);
+        return SguProfileParser.ParseMenu(html);
     }
 
     private static async Task<string> ReadLimitedStringAsync(

src/SGU.AuthBroker/appsettings.json

@@ -35,6 +35,7 @@
       "AdministrativePersonalProfilePath": "/psulsa/gadmon/capitalhumano/datos/personales.aspx",
       "AdministrativeLocationProfilePath": "/psulsa/gadmon/capitalhumano/datos/ubicacion.aspx",
       "StudentProfilePath": "/psulsa/alumnos/consultainformacionalumnos/consultainformacion.aspx",
+      "ProfessorPayrollProfilePath": "/psulsa/gadmon/nomina/consultanomina.aspx",
       "MenuProfilePath": "/psulsa/menu.aspx",
       "MaxProfileBytes": 524288,
       "AllowedRedirectHosts": [
@@ -49,6 +50,9 @@
       "ProfessorOuDn": "OU=Docentes,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
       "StudentOuDn": "OU=Alumnos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
       "AdministrativeOuDn": "OU=Administrativos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
+      "ProfessorGroupDn": "CN=SGU-Docentes,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
+      "StudentGroupDn": "CN=SGU-Alumnos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
+      "AdministrativeGroupDn": "CN=SGU-Administrativos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx",
       "RemoteDesktopGroupDn": "",
       "DefaultCompany": "La Salle",
       "CreateMissingOus": false

src/SGU.CredentialProvider/ProviderTileIcon.cs

@@ -1,35 +1,32 @@
 using System.Drawing;
-using System.Drawing.Drawing2D;
 using System.Drawing.Imaging;
+using System.Drawing.Drawing2D;
 
 namespace SGU.CredentialProvider;
 
 internal static class ProviderTileIcon
 {
-    public const int Size = 72;
+    // LogonUI enlarges the dedicated-tile artwork. Supply a dense source image
+    // so the mascot remains crisp at the large sign-in surface.
+    public const int Size = 256;
+    private const string MascotResourceName = "SGU.CredentialProvider.Branding.LaSalleMascot.png";
 
     public static Bitmap Create()
     {
         Bitmap bitmap = new(Size, Size, PixelFormat.Format32bppArgb);
         using Graphics graphics = Graphics.FromImage(bitmap);
-        graphics.SmoothingMode = SmoothingMode.AntiAlias;
+        graphics.CompositingQuality = CompositingQuality.HighQuality;
+        graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
         graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
         graphics.Clear(Color.Transparent);
 
-        using SolidBrush background = new(Color.FromArgb(0, 83, 155));
-        graphics.FillEllipse(background, 1, 1, Size - 2, Size - 2);
-
-        using Pen key = new(Color.White, 5.5f)
-        {
-            StartCap = LineCap.Round,
-            EndCap = LineCap.Round,
-            LineJoin = LineJoin.Round
-        };
-
-        graphics.DrawEllipse(key, 14, 14, 25, 25);
-        graphics.DrawLine(key, 35, 35, 57, 57);
-        graphics.DrawLine(key, 47, 47, 55, 39);
-        graphics.DrawLine(key, 53, 53, 61, 45);
+        using Stream sourceStream = typeof(ProviderTileIcon).Assembly.GetManifestResourceStream(MascotResourceName)
+            ?? throw new InvalidOperationException($"The branded Credential Provider logo '{MascotResourceName}' is unavailable.");
+        using Bitmap mascot = new(sourceStream);
+        using GraphicsPath circularMask = new();
+        circularMask.AddEllipse(0, 0, Size, Size);
+        graphics.SetClip(circularMask);
+        graphics.DrawImage(mascot, new Rectangle(0, 0, Size, Size));
 
         return bitmap;
     }

src/SGU.CredentialProvider/SGU.CredentialProvider.csproj

@@ -23,6 +23,11 @@
     <ProjectReference Include="..\SGU.AuthBroker.Core\SGU.AuthBroker.Core.csproj" />
   </ItemGroup>
 
+  <ItemGroup>
+    <EmbeddedResource Include="..\..\assets\branding\lasalle-mexico-provider.png"
+                      LogicalName="SGU.CredentialProvider.Branding.LaSalleMascot.png" />
+  </ItemGroup>
+
   <ItemGroup>
     <AssemblyAttribute Include="System.Runtime.CompilerServices.InternalsVisibleToAttribute">
       <_Parameter1>SGU.CredentialProvider.Tests</_Parameter1>

tests/SGU.AuthBroker.Core.Tests/SguProfileParserTests.cs

@@ -56,6 +56,58 @@ public sealed class SguProfileParserTests
         Assert.Null(SguProfileParser.ParseAdministrative(html, "999999"));
     }
 
+    [Fact]
+    public void ParsesOnlyTheSupportedProfessorPayrollHeaderFields()
+    {
+        const string html = """
+            <div id="ctl00_contenedor_decEncabezado_pnlSinPoP">
+              <span id="ctl00_contenedor_decEncabezado_lblNombre">
+                013473 - ALEJANDRO LARA VILLARREAL
+              </span>
+              <span id="ctl00_contenedor_decEncabezado_lblIndicadorValue">
+                SINDICALIZADO QUINCENAL (ACTIVO)
+              </span>
+              <span id="ctl00_contenedor_decEncabezado_lblCorreo">
+                alejandro.lara@lasallistas.org.mx
+              </span>
+              <img id="ctl00_contenedor_decEncabezado_imgFoto"
+                   src="../admonPersonal/ashx/Fotografia.ashx?id=013473&amp;tp=2" />
+              <span id="ctl00_contenedor_decEncabezado_lblPuesto">DOCENTE</span>
+              <span id="ctl00_contenedor_decEncabezado_lblDependencia"></span>
+              <span id="ctl00_contenedor_decEncabezado_lblJefeNombre">NO EXTRAER</span>
+              <span id="ctl00_contenedor_decEncabezado_lblJefePuesto">NO EXTRAER</span>
+            </div>
+            """;
+
+        InstitutionalProfile? profile = SguProfileParser.ParseProfessorPayroll(html, "013473");
+
+        Assert.NotNull(profile);
+        Assert.Equal("013473", profile.EmployeeNumber);
+        Assert.Equal("Alejandro Lara Villarreal", profile.DisplayName);
+        Assert.Equal("alejandro.lara@lasallistas.org.mx", profile.Email);
+        Assert.Equal("Sindicalizado quincenal (activo)", profile.EmployeeType);
+        Assert.Equal("Docente", profile.JobTitle);
+        Assert.Null(profile.Department);
+        Assert.Null(profile.GivenName);
+        Assert.Null(profile.Surname);
+        Assert.Null(profile.StreetAddress);
+    }
+
+    [Fact]
+    public void RejectsProfessorPayrollMetadataForADifferentEmployeeNumber()
+    {
+        const string html = """
+            <span id="ctl00_contenedor_decEncabezado_lblNombre">
+              013473 - PERSONA INCORRECTA
+            </span>
+            <span id="ctl00_contenedor_decEncabezado_lblCorreo">
+              incorrecta@lasallistas.org.mx
+            </span>
+            """;
+
+        Assert.Null(SguProfileParser.ParseProfessorPayroll(html, "123456"));
+    }
+
     [Fact]
     public void ParsesStructuredAdministrativeNameWithoutReadingOtherPersonalData()
     {

tests/SGU.AuthBroker.Tests/BrokerOptionsTests.cs

@@ -1,4 +1,5 @@
 using SGU.AuthBroker.Options;
+using SGU.AuthBroker.Core.Identity;
 using Xunit;
 
 namespace SGU.AuthBroker.Tests;
@@ -28,4 +29,31 @@ public sealed class BrokerOptionsTests
 
         Assert.Contains("thumbprint", exception.Message, StringComparison.OrdinalIgnoreCase);
     }
+
+    [Theory]
+    [InlineData(InstitutionalRole.Student, "CN=SGU-Alumnos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx")]
+    [InlineData(InstitutionalRole.Administrative, "CN=SGU-Administrativos,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx")]
+    [InlineData(InstitutionalRole.Professor, "CN=SGU-Docentes,OU=Usuarios-SGU,DC=lci,DC=lasalle,DC=mx")]
+    public void DefaultRoleGroupMappingsMatchInstitutionalPrefixes(InstitutionalRole role, string expectedGroupDn)
+    {
+        ActiveDirectoryOptions options = new();
+
+        Assert.Equal(expectedGroupDn, options.GetGroupDn(role));
+    }
+
+    [Fact]
+    public void ValidateRejectsARoleGroupOutsideTheConfiguredDirectoryBase()
+    {
+        BrokerOptions options = new()
+        {
+            Directory = new ActiveDirectoryOptions
+            {
+                StudentGroupDn = "CN=SGU-Alumnos,DC=example,DC=invalid"
+            }
+        };
+
+        InvalidOperationException exception = Assert.Throws<InvalidOperationException>(options.Validate);
+
+        Assert.Contains("security-group", exception.Message, StringComparison.OrdinalIgnoreCase);
+    }
 }

tests/SGU.AuthBroker.Tests/NtlmCredentialValidatorTests.cs

@@ -209,6 +209,15 @@ public sealed class NtlmCredentialValidatorTests
                 """
                 <span id="ctl00_lblNombreUsuario">MARÍA DEL CARMEN</span>
                 """),
+            Response(
+                HttpStatusCode.OK,
+                """
+                <span id="ctl00_contenedor_decEncabezado_lblNombre">123456 - MARÍA DEL CARMEN</span>
+                <span id="ctl00_contenedor_decEncabezado_lblCorreo">docente@lasallistas.org.mx</span>
+                <span id="ctl00_contenedor_decEncabezado_lblIndicadorValue">SINDICALIZADO QUINCENAL (ACTIVO)</span>
+                <span id="ctl00_contenedor_decEncabezado_lblPuesto">DOCENTE</span>
+                <span id="ctl00_contenedor_decEncabezado_lblDependencia"></span>
+                """),
             Response(
                 HttpStatusCode.OK,
                 """
@@ -244,6 +253,11 @@ public sealed class NtlmCredentialValidatorTests
         Assert.Equal("María del Carmen de la Fuente O'Connor", result.Profile.DisplayName);
         Assert.Equal("María del Carmen", result.Profile.GivenName);
         Assert.Equal("de la Fuente O'Connor", result.Profile.Surname);
+        Assert.Equal("123456", result.Profile.EmployeeNumber);
+        Assert.Equal("docente@lasallistas.org.mx", result.Profile.Email);
+        Assert.Equal("Sindicalizado quincenal (activo)", result.Profile.EmployeeType);
+        Assert.Equal("Docente", result.Profile.JobTitle);
+        Assert.Null(result.Profile.Department);
         Assert.Equal("Calle del Sol 15\r\nFlorida", result.Profile.StreetAddress);
         Assert.Equal("Álvaro Obregón", result.Profile.City);
         Assert.Equal("Ciudad de México", result.Profile.State);
@@ -253,6 +267,7 @@ public sealed class NtlmCredentialValidatorTests
                 "/psulsa/",
                 "/psulsa/",
                 "/psulsa/menu.aspx",
+                "/psulsa/gadmon/nomina/consultanomina.aspx",
                 "/psulsa/gadmon/capitalhumano/datos/personales.aspx",
                 "/psulsa/gadmon/capitalhumano/datos/ubicacion.aspx"
             ],
@@ -270,6 +285,7 @@ public sealed class NtlmCredentialValidatorTests
                 """
                 <span id="ctl00_lblNombreUsuario">MIGUEL DE CERVANTES</span>
                 """),
+            Response(HttpStatusCode.NotFound),
             Response(HttpStatusCode.OK, "<html><body>Unrecognized layout</body></html>"),
             Response(HttpStatusCode.NotFound));
         NtlmCredentialValidator validator = CreateValidator(handler);
@@ -283,7 +299,10 @@ public sealed class NtlmCredentialValidatorTests
         Assert.NotNull(result.Profile);
         Assert.Equal("Miguel de Cervantes", result.Profile.DisplayName);
         Assert.Null(result.Profile.StreetAddress);
-        Assert.Equal(5, handler.RequestPaths.Count);
+        Assert.Equal(6, handler.RequestPaths.Count);
+        Assert.Equal(
+            "/psulsa/gadmon/nomina/consultanomina.aspx",
+            handler.RequestPaths[3]);
     }
 
     private static NtlmCredentialValidator CreateValidator(SequenceHandler handler)
@@ -298,6 +317,7 @@ public sealed class NtlmCredentialValidatorTests
                 AdministrativePersonalProfilePath = "/psulsa/gadmon/capitalhumano/datos/personales.aspx",
                 AdministrativeLocationProfilePath = "/psulsa/gadmon/capitalhumano/datos/ubicacion.aspx",
                 StudentProfilePath = "/psulsa/alumnos/consultainformacionalumnos/consultainformacion.aspx",
+                ProfessorPayrollProfilePath = "/psulsa/gadmon/nomina/consultanomina.aspx",
                 AllowedRedirectHosts = ["sgu.example"],
                 TimeoutSeconds = 5,
                 ProfileTimeoutSeconds = 5

tests/SGU.CredentialProvider.Tests/ProviderTileIconTests.cs

@@ -7,7 +7,7 @@ namespace SGU.CredentialProvider.Tests;
 public sealed class ProviderTileIconTests
 {
     [Fact]
-    public void ProviderPublishesASeventyTwoPixelLogoForSignInOptions()
+    public void ProviderPublishesAHighResolutionLogoForSignInOptions()
     {
         SguCredentialProvider provider = new();
 
@@ -20,22 +20,27 @@ public sealed class ProviderTileIconTests
         Assert.Equal(0, logo.Bitmap.GetPixel(ProviderTileIcon.Size - 1, 0).A);
         Assert.Equal(0, logo.Bitmap.GetPixel(0, ProviderTileIcon.Size - 1).A);
         Assert.Equal(0, logo.Bitmap.GetPixel(ProviderTileIcon.Size - 1, ProviderTileIcon.Size - 1).A);
-        Assert.Equal(
-            Color.FromArgb(0, 83, 155).ToArgb(),
-            logo.Bitmap.GetPixel(6, ProviderTileIcon.Size / 2).ToArgb());
-        int lightPixels = 0;
+        int redPixels = 0;
+        int navyPixels = 0;
         for (int x = 0; x < logo.Bitmap.Width; x++)
         {
             for (int y = 0; y < logo.Bitmap.Height; y++)
             {
-                if (logo.Bitmap.GetPixel(x, y).GetBrightness() > 0.7f)
+                Color pixel = logo.Bitmap.GetPixel(x, y);
+                if (pixel.R > 160 && pixel.G < 100 && pixel.B < 100)
                 {
-                    lightPixels++;
+                    redPixels++;
+                }
+
+                if (pixel.B > pixel.R && pixel.B > pixel.G && pixel.R < 70)
+                {
+                    navyPixels++;
                 }
             }
         }
 
-        Assert.InRange(lightPixels, 200, 2_000);
+        Assert.InRange(redPixels, 1_000, 30_000);
+        Assert.InRange(navyPixels, 1_000, 50_000);
     }
 
     [Fact]