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Introduction to Administering Active Directory Domain Rename

Updated: July 9, 2010

Applies To: Windows Server 2008, Windows Server 2008 R2

You can use the Windows Server 2008 domain rename process to change the names of your Active Directory domains, and you can also use it to change the structure of the domain trees in your Active Directory forest. This process involves updating the Domain Name System (DNS) and trust infrastructures as well as Group Policy and Service Principal Names (SPNs).

The ability to rename domains gives you the flexibility to make important name changes and forest structural changes as the needs of your organization change. Using domain rename, you can change the name of a domain, but you can also change the structure of the domain hierarchy. You can also change the parent of a domain or move a domain in one domain tree to another domain tree. The domain rename process can accommodate scenarios involving acquisitions, mergers, or name changes in your organization, but it is not designed to accommodate forest mergers or the movement of domains between forests.

ImportantImportant
It is extremely important and highly recommended that you test the domain rename operation before you perform it in a production environment. First, perform the domain rename operation that is described in this section in a test environment that has a minimum of two domains. Familiarizing yourself with the specifics of each stage in the domain rename operation in a test environment will provide you with not only a much better understanding of the operation itself but also better prepare you to troubleshoot any issues that may arise during the domain rename operation in a production forest.

For more information, see Domain Rename Technical Reference (http://go.microsoft.com/fwlink/?LinkID=122922).

Domain rename requirements

The following conditions must be in effect before you can begin a domain rename operation:

  • Forest functionality: You can rename domains only in a forest where all of the domain controllers are running Windows Server 2008 or Windows Server 2003 Standard Edition, Windows Server 2008 or Windows Server 2003 Enterprise Edition, or Windows Server 2008 or Windows Server 2003 Datacenter Edition operating systems, and the Active Directory forest functional level has been raised to either Windows Server 2003 or Windows Server 2008. The domain rename operation will not be successful if the forest functional level is set to Windows 2000 native. For more information about forest functional levels and for procedures to determine and set forest functional levels, see Enabling Windows Server 2008 Advanced Features for Active Directory Domain Services (http://go.microsoft.com/fwlink/?LinkID=105303).

  • Administrative credentials: You must have Enterprise Admins credentials to perform the various procedures for the domain rename operation. If you are running Microsoft Exchange, the account that you use must also have Full Exchange Administrator credentials.

  • Control station: The computer that you use as the control station for the domain rename operation must be a member computer (not a domain controller) running Windows Server 2008 Standard Edition, Windows Server 2008 Enterprise Edition, or Windows Server 2008 Datacenter Edition.

  • Distributed File System (DFS) root servers: So that you can rename a domain with domain-based DFS Namespace (DFSN) roots, all DFSN root servers must be running Windows 2000 with Service Pack 3 (SP3), Windows Server 2003, or Windows Server 2008 operating systems.

  • Exchange 2003 Service Pack 1 (SP1): If your forest contains Exchange 2003 Service Pack 1 (SP1) servers, you can run the Windows Server 2008 domain rename operation, but you must also use the Exchange Domain Rename Fix-up Tool to update Exchange attributes. For more information, see Microsoft Exchange Server Domain Rename Fixup (XDR-Fixup) (http://go.microsoft.com/fwlink/?LinkID=122982). The document that accompanies this tool describes when and how to perform Exchange-related tasks. To perform a domain rename operation, Exchange must not be installed on any domain controllers. If a domain controller is running Exchange, move the Exchange data off the domain controller and then uninstall Exchange.

    ImportantImportant
    The domain rename operation is not supported in Microsoft Exchange Server 2007 or Exchange Server 2010. DNS domain rename is supported in Exchange Server 2003. However, renaming of the NetBIOS domain name is not supported in any version of Exchange Server. Other non-Microsoft applications might also not support domain rename.

    For more information about other Microsoft applications that are incompatible with domain rename, see article 300684 (http://go.microsoft.com/fwlink/?LinkId=185229) in the Microsoft Knowledge Base.

noteNote
You can use "Checklist: Satisfying Domain Rename Requirements" in Appendix C: Checklists for the Domain Rename Operation to make sure that you have met all the necessary requirements for the domain rename operation.

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.com to .local      sosinc   |   Edit   |   Show History
I have inherited a Windows 2008 AD that that its name ends with .com. I would like to change this to .local for many reasons. However, we also have an Exchange 2010 server (not an AD controller) plus still a Windows 2003 DC. So, to be clear we have a Windows 2003 DC, a Windows 2008 DC, and an Exchange 2010 box (not a DC). The functional level of the domain is 2003 Native. ADPREP was run to be able to introduce the 2008 DC.

Anyway, is there a way for me to rename this domain and still keep things alive or am I looking at a full rebuild?

Thanks,
M.
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confusing document      manojtyagi ... Justinha   |   Edit   |   Show History

This document is v confusing,pls tell how can i change netbios name of domain in windows 2008 with exchange 2007 is running on domain controller.Is this configuration is supported for netbios rename. 

[tfl - 20 12 08] You should post questions like this to the Technet Forums at http://forums.microsoft.com/technet or the MS Newsgroups at

http://www.microsoft.com/communities/newsgroups/en-us/. You are much more likely get a quick response using the forums than through the Community Content.
For specific help about:
Exchange : http://groups.google.com/groups/dir?sel=usenet%3Dmicrosoft.public.exchange%2C&;;
SQL Server : http://groups.google.com/groups/dir?sel=usenet%3Dmicrosoft.public.sqlserver%2C&;;
Windows : http://groups.google.com/groups/dir?sel=usenet%3Dmicrosoft.public.windows%2C&;;
Windows Server : http://groups.google.com/groups/dir?sel=usenet%3Dmicrosoft.public.windows.server%2C&;;
Virtual Server : http://groups.google.com/group/microsoft.public.virtualserver/topics?lnk
Full Public : http://groups.google.com/groups/dir?sel=usenet%3Dmicrosoft.public%2C&;;


Thank you for your comment. The topic has been revised to indicate renaming of the NetBIOS domain name is not supported in any version of Exchange Server.

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