netdom Unable to add as an alternate name for computer
I have a 2003 sp2 x86 Domanin controller server at a branch site and I am replacing it with a 2008 R2 x64 server DC. I want the new 2008 back to have the same name as the 2003 box. I am running NETDOM computername 2008boxname fully
qualified /add:nameof2003box fully qualied enter
I am getting the messge "Unable to add nameof2003box fully qualified as an alternate name for the computer"
can anyone help?????
April 29th, 2011 5:03pm
Hello,
is the 2003 DC not demoted?
If yes, run dcpromo to demote it and then change the name of the 2008 R2 server, join it to the domain and promote it.
If not, have you used dcpromo /forceremoval to remove the 2003 DC? Have you just let it down without Demotion? If yes perform a metadata cleanup and change the name of the new DC.
Another easy way to proceed is to perform a metadata cleanup, demote the 2008 R2 DC and promoting it with the name you want.
For more information about how to rename a DC:
http://technet.microsoft.com/en-us/library/cc782761(WS.10).aspx
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April 29th, 2011 5:20pm
The 2003 DC is not demoted just unplugged from the switch. I wanted to keep the old one on hand as a fall back in case bringing up the new 2008 DC failed.
April 29th, 2011 5:59pm
If your goal is to keep the same name, my recommendation is to remove the old DC using DCPROMO first then perform a DCROMO on the new server.
Santhosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX
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April 29th, 2011 10:53pm
I h save a 2003 sp2 x86 DC at a branch site and I am replacing it with 2008 R2 x64 DC. I want the new 2008 box to have the same name as the 2003 box. I am running NETDOM and getting the message:
Unable to add XXXXX as an alternate name for this computer
can anyone help??????
April 30th, 2011 12:12am
see my reply here:
http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/109039ce-0165-40ce-ae88-eec479387773
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April 30th, 2011 12:45am
This is not possible to introduce DC with the name already existing DC just by shutting down existing DC. The reason is when you promote server as an DC, it writes so many entries in AD/DNS using its name & IP to provide AD related services either using
hostname or IP address. If you just shutdown, it will be considered DC is already existsing & all other DC will try to sync the data using push/pull method & finally land up in error, if they can't locate it, so proper way is demoting to tell this
DC is no more & promoting again to tell this is new DC. This is how AD works.
You can take system state backup of AD for fallback option or else, you have to transfer all the services/roles from existing DC to another working healthy DC & then remove existing DC using dcpromo or dcpromo /forceremoval but forceremoval should only
be used when normal demotion doesn't work as it requires metadata cleanup too. Once you remove the DC, you can't promote immediately another server as an DC using same hostName/IP, because i takes time to remove old records from AD database else, you need
to remove manually esp from all the sub folder inside _msdcs folder in Dns, name server tab in DNS, server object from NTDS in ADSS, host records in dns etc.. If, there is reference of old AD existing in the AD/DNS, it will not allow you to promote new server
as an DC using already used name/IP.
why not reuse domain controller name or how to reuse DC name.
http://thelaith.net/2010/05/05/why-not-to-re-use-dc-names/
Regards
Awinish Vishwakarma| MY Blog
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April 30th, 2011 1:29am
I would request to stick to single thread & problem only, else it will be difficult while replying to the thread using different thread for same issue.
http://social.technet.microsoft.com/Forums/en-US/winservergen/thread/109039ce-0165-40ce-ae88-eec479387773
Regards
Awinish Vishwakarma| MY Blog
Disclaimer: This posting is provided AS-IS with no warranties or guarantees and confers no rights.
Free Windows Admin Tool Kit Click here and download it now
April 30th, 2011 8:12am
Hello,
you can't have 2 computers in a domain or workgroup with the same name, this is not possible. First one must be removed or you have to use another name. This has nothing to do with the rename process itself.Best regards Meinolf Weber Disclaimer: This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.
May 1st, 2011 11:34am
You won’t able to introduce another Server/DC with same name.
You need to decommission the old server first.
If you have a technical or business reason to rename the DC, you can try one of the following methods:
http://www.petri.co.il/windows_2003_domain_controller_rename.htm
http://www.petri.co.il/rename-windows-server-2008-domain-controllers.htmSanthosh Sivarajan | MCTS, MCSE (W2K3/W2K/NT4), MCSA (W2K3/W2K/MSG), CCNA, Network+ Houston, TX
Blogs - http://blogs.sivarajan.com/
Articles - http://www.sivarajan.com/publications.html
Twitter: @santhosh_sivara - http://twitter.com/santhosh_sivara
This posting is provided AS IS with no warranties,and confers no rights.
Free Windows Admin Tool Kit Click here and download it now
May 1st, 2011 2:00pm