JSI Tip 5651. Window .NET supports both a DNS and NetBIOS domain rename.

The Domain Rename Tool page begins with:

"The Active Directory™ Domain Rename Tools provide a secure and supported methodology to rename one or more domains (as well as application directory partitions) in a deployed Active Directory forest. The DNS name and/or the NetBIOS name of a domain can be changed using the domain rename procedure. For an understanding of the constraints of the domain rename procedure, please see the accompanying document, "Understanding How Domain Rename Works", available on this page."