Validate local password expiration on Windows 10

scripts/Test-SguClientEnrollment.ps1

@@ -20,6 +20,7 @@ $interactiveLogonPolicyPath = 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\P
 $settingsPath = Join-Path $env:ProgramData 'SGU\CredentialProvider\settings.json'
 $issues = [Collections.Generic.List[string]]::new()
 $standardLocalUserName = 'alumno'
+$passwordNeverExpiresFlag = 0x10000
 
 $computer = Get-CimInstance Win32_ComputerSystem
 if ($RequireDomainJoined -and -not $computer.PartOfDomain) {
@@ -93,8 +94,7 @@ $standardLocalUserPresent = [bool]$standardLocalUser
 $standardLocalUserEnabled = $standardLocalUserPresent -and $standardLocalUser.Enabled
 $standardLocalUserIsAdministrator = $false
 $standardLocalUserInUsersGroup = $false
-$standardLocalUserPasswordNeverExpires =
-    $standardLocalUserPresent -and $standardLocalUser.PasswordNeverExpires
+$standardLocalUserPasswordNeverExpires = $false
 if ($standardLocalUserPresent) {
     $administratorsSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-544')
     $usersSid = [Security.Principal.SecurityIdentifier]::new('S-1-5-32-545')
@@ -106,6 +106,16 @@ if ($standardLocalUserPresent) {
         $administratorMembers.SID.Value -contains $standardLocalUser.SID.Value
     $standardLocalUserInUsersGroup =
         $standardMembers.SID.Value -contains $standardLocalUser.SID.Value
+    try {
+        $directoryEntry = [ADSI]("WinNT://$env:COMPUTERNAME/$standardLocalUserName,user")
+        $userFlags = [int]$directoryEntry.InvokeGet('UserFlags')
+        $standardLocalUserPasswordNeverExpires =
+            ($userFlags -band $passwordNeverExpiresFlag) -ne 0
+    }
+    catch {
+        # Report the account as invalid when Windows cannot read its flags.
+        $standardLocalUserPasswordNeverExpires = $false
+    }
 }
 if (-not $standardLocalUserPresent) {
     $issues.Add("The required standard local user '$standardLocalUserName' is missing.")
@@ -120,7 +130,7 @@ elseif (-not $standardLocalUserInUsersGroup) {
     $issues.Add("The required standard local user '$standardLocalUserName' does not belong to the local Users group.")
 }
 elseif (-not $standardLocalUserPasswordNeverExpires) {
-    $issues.Add("The required standard local user '$standardLocalUserName' does not retain its enrollment password.")
+    $issues.Add("The required standard local user '$standardLocalUserName' password is not configured to never expire.")
 }
 
 $settings = $null