# Test-ADRootDSE.ps1
try {
    $root = [ADSI]"LDAP://RootDSE"
    $defaultNC = [string]$root.defaultNamingContext
    Write-Host "OK: LDAP RootDSE bind worked"
    Write-Host "defaultNamingContext: $defaultNC"
} catch {
    Write-Host "FAILED: Cannot bind to LDAP RootDSE"
    Write-Host "Reason: $($_.Exception.Message)"
    exit 1
}