Quest Powersheel

Guys,
Believe me or not? If yes and you are a MS-Directory Professional try it.
Benefits:

1. Where WAN connectivity is very slow you can work through command line.
2. Prevent accident deletion until you put exact deletion command.
3. You can automate you’re your AD environment.
4. Commands are easy to remember.
5. You can extract reports at a glance for million users with various parameters.

For more information see the below links and find the admin guide.

Download Quest Powersheel with admin guide.

http://www.quest.com/powershell/activeroles-server.aspx

Download Prerequisites

Microsft Powershell

http://support.microsoft.com/kb/968930

Dotnet framework 3.5 SP1
http://www.microsoft.com/downloads/en/details.aspx?FamilyID=d0e5dea7-ac26-4ad7-b68c-fe5076bba986&displaylang=en

For query purpose its does not require any kind of special permission.
See the below link also.
http://blogs.technet.com/b/manojnair/archive/2010/12/27/adding-users-to-ad-group-using-quest-powershell-command-lets.aspx


Before running any ps script put the below command.

Set-ExecutionPolicy Unrestricted