Find Objects In Active Directory

My Network Places -> Network Tasks: Search Active Directory.
or
from command line rundll32 dsquery,OpenQueryWindow.

Active Directory Schema snap-in

Notice that the Active Directory Schema snap-in is not available to add. The Active Directory

Schema snap-in is installed with the Active Directory Domain Services role with the

RSAT, but it is not registered, so it does not appear.

At the command prompt, type the regsvr32.exe schmmgmt.dll command.