Active Directory [L1 ] is Microsoft's implementation of, among other things, LDAP services.
Two approaches to AD work [L2 ] are:
I like this [L3 ] reference to Microsoft's own AD Searches [sic] Tools. Note, though, that the previous page fails to mention ldifde and csvde, which, despite the appearance of their documentation [L4 ] [L5 ], are available for Windows Server 2000. Also significant is schemadocfile [L6 ].