Powershell script to query LDAP (AD) for users. Accomplished without the ActiveDirectory plug-in from Quest.

ldap_query_users.ps1

# LDAP Query
# Look for all people. Excludes the DISABLED OU

$Searcher = New-Object DirectoryServices.DirectorySearcher
$Searcher.SearchRoot = 'LDAP://CN=Users,DC=example,DC=com'
$Searcher.Filter = '(&(objectCategory=person))'

$res = $Searcher.FindAll()  | Sort-Object path
foreach ($usrTmp in $res)
{
  
  Write-Host $usrTmp.Properties["cn"]
}
Write-Host "------------------------------"
Write-Host "Number of Users Returned: " @($res).count
Write-Host