Windows Server 2008 R2 Services for NFS can use Active directory as user database repository for Name Mapping issues. The connection may be accomplished by using a set of Active directory schema extensions. Windows Services for NFS can be enables only in windows server R2 level.
To Configure Active Directory for UNIX
1.Go to “Start” < All programs” < Administrative tools” < choose “Services for Network File System”
2.Right click “Services for NFS” < click “properties”.
3.Check the “Active Directory domain name” under “Identity Mapping Source” area.
4.Enter the domain name that will resolve name mapping < save all windows.