Rename Windows Server 2008 Domain Controllers

Hello Experts,

I'm changing to rename my Windows 2008 Domain Controller, but I keep getting the error shown in the image. Can someone let me know where I might be going wrong:

netdom
Thanks

Carlton
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Member_2_7966113Asked:
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RobertSystem AdminCommented:
Based on the error your domain functional level is not high enough to use the netdom command to rename the DC.
Ref:
https://technet.microsoft.com/en-us/library/cc794951%28v=ws.10%29.aspx?f=255&MSPPError=-2147217396

You can do it manually but it will take longer for things to update and the dc to come online.
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Member_2_7966113Author Commented:
Robert,

Thanks for responding.

This server is a test server. Therefore, would it be easier to recreate the DC?

Also, I don't know what you mean by:

domain functional level is not high enough to use the netdom command
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arnoldCommented:
Open active directory users and computers, right click on the domain and deal with forest/domain functional level
Raising them to as a high level as you can noting your setup.
I.e. If you have a 2000 server, you can not go higher........
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RobertSystem AdminCommented:
Basically for the netdom to be able to be used to rename a DC you need to have your domain functional level at 2003 or higher.
so when your domain was setup the functional level was not 2003 or higher. As Arnold provided above you can increase the level using the AD tools. if you still have a 2000 or NT domain controller on your test environment you will need to update it or remove it as a DC prior to increasing the functional level otherwise you should be fine increasing it.
If you don't want to deal with that and just rename the DC just rename it the same as you would a regular machine and wait for DNS and AD replication cycle prior to performing any test or authentication against the server your renaming.
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Seth SimmonsSr. Systems AdministratorCommented:
No comment has been added to this question in more than 21 days, so it is now classified as abandoned.

I have recommended this question be closed as follows:

Accept: Robert (https:#a42352943)

If you feel this question should be closed differently, post an objection and the moderators will review all objections and close it as they feel fit. If no one objects, this question will be closed automatically the way described above.

seth2740
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