Используйте powershell
$name="."
$group = [ADSI]("WinNT://$Name/Administrators,group")
$GMembers = $group.psbase.invoke("Members")
$GMembers | ForEach-Object {$_.GetType().InvokeMember("Name",'GetProperty', $null, $_, $null)}
Подробнее
http://gallery.technet.microsoft.com...0-77b6bf1e8ffd