Fix localized enrollment recovery

scripts/Enable-LabRemoteAccess.ps1

@@ -20,6 +20,20 @@ $remoteDesktopUsersSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-
 $remoteDesktopUsersGroup = ($remoteDesktopUsersSid.Translate([Security.Principal.NTAccount]).Value -split '\\', 2)[1]
 
 if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, "Enable RDP and grant $RemoteDesktopPrincipal access")) {
+    function Invoke-PowerCfgBestEffort {
+        param([Parameter(Mandatory)][string[]]$Arguments)
+
+        # Start-Process keeps powercfg's policy-override diagnostic on its own
+        # stderr stream. In PowerShell 7, directly invoking that native command
+        # turns stderr into a terminating ErrorRecord under $ErrorActionPreference
+        # = 'Stop', which previously aborted this unrelated remediation work.
+        $process = Start-Process -FilePath "$env:SystemRoot\System32\powercfg.exe" `
+            -ArgumentList $Arguments -Wait -PassThru -WindowStyle Hidden
+        if ($process.ExitCode -ne 0) {
+            Write-Warning "powercfg $($Arguments -join ' ') returned exit code $($process.ExitCode); continuing enrollment repair."
+        }
+    }
+
     foreach ($powerChange in @(
         @('monitor-timeout-ac', '0'),
         @('monitor-timeout-dc', '0'),
@@ -27,15 +41,9 @@ if ($PSCmdlet.ShouldProcess($env:COMPUTERNAME, "Enable RDP and grant $RemoteDesk
         @('standby-timeout-dc', '0'),
         @('hibernate-timeout-ac', '0'),
         @('hibernate-timeout-dc', '0'))) {
-        & powercfg.exe /change $powerChange[0] $powerChange[1]
-        if ($LASTEXITCODE -ne 0) {
-            throw "powercfg /change $($powerChange[0]) failed with exit code $LASTEXITCODE."
-        }
-    }
-    & powercfg.exe /hibernate off
-    if ($LASTEXITCODE -ne 0) {
-        throw "powercfg /hibernate off failed with exit code $LASTEXITCODE."
+        Invoke-PowerCfgBestEffort -Arguments @('/change', $powerChange[0], $powerChange[1])
     }
+    Invoke-PowerCfgBestEffort -Arguments @('/hibernate', 'off')
 
     Set-ItemProperty -LiteralPath 'HKLM:\SYSTEM\CurrentControlSet\Control\Terminal Server' `
         -Name fDenyTSConnections -Type DWord -Value 0

scripts/Install-CredentialProvider.ps1

@@ -179,10 +179,14 @@ if ($PSCmdlet.ShouldProcess($installPath, 'Install and register the SGU Credenti
 
     $acl = Get-Acl -LiteralPath (Split-Path $settingsPath -Parent)
     $acl.SetAccessRuleProtection($true, $false)
+    # Resolve built-in identities by SID instead of localized display names.
+    # "BUILTIN\Administrators" is not resolvable on every non-English client.
+    $systemSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-18')
+    $administratorsSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-544')
     $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
-        'SYSTEM', 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
+        $systemSid, 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
     $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
-        'BUILTIN\Administrators', 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
+        $administratorsSid, 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
     Set-Acl -LiteralPath (Split-Path $settingsPath -Parent) -AclObject $acl
 
     New-Item -Path $classRegistryPath -Force | Out-Null

scripts/Install-SguEnrollmentGuard.ps1

@@ -71,7 +71,11 @@ if ($PSCmdlet.ShouldProcess($enrollmentRoot, 'Install the SGU enrollment repair
         $runtimeDirectory = Join-Path $enrollmentRoot 'prerequisites'
         New-Item -ItemType Directory -Path $runtimeDirectory -Force | Out-Null
         $guardRuntimeInstaller = Join-Path $runtimeDirectory (Split-Path $DotNetRuntimeInstallerPath -Leaf)
-        Copy-Item -LiteralPath $DotNetRuntimeInstallerPath -Destination $guardRuntimeInstaller -Force
+        $sourceRuntimeInstaller = [IO.Path]::GetFullPath($DotNetRuntimeInstallerPath)
+        $destinationRuntimeInstaller = [IO.Path]::GetFullPath($guardRuntimeInstaller)
+        if (-not $sourceRuntimeInstaller.Equals($destinationRuntimeInstaller, [StringComparison]::OrdinalIgnoreCase)) {
+            Copy-Item -LiteralPath $DotNetRuntimeInstallerPath -Destination $guardRuntimeInstaller -Force
+        }
     }
 
     $guardConfiguration = [ordered]@{
@@ -92,10 +96,13 @@ if ($PSCmdlet.ShouldProcess($enrollmentRoot, 'Install the SGU enrollment repair
 
     $acl = Get-Acl -LiteralPath $enrollmentRoot
     $acl.SetAccessRuleProtection($true, $false)
+    # Well-known SIDs are invariant across localized Windows installations.
+    $systemSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-18')
+    $administratorsSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-544')
     $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
-        'SYSTEM', 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
+        $systemSid, 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
     $acl.AddAccessRule([Security.AccessControl.FileSystemAccessRule]::new(
-        'BUILTIN\Administrators', 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
+        $administratorsSid, 'FullControl', 'ContainerInherit,ObjectInherit', 'None', 'Allow'))
     Set-Acl -LiteralPath $enrollmentRoot -AclObject $acl
 
     $repairScript = Join-Path $enrollmentRoot 'Repair-SguClientEnrollment.ps1'