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Is domain functional level 2008 R2 supported for 2012 R2 servers as domain controllers?

Posted on 2013-11-06
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Last Modified: 2013-11-16
Hi.

I have a domain with functional level 2008 R2 and I want a new dc with 2012 R2.
I cannot find any information on whether 2008 R2 mode supports having 2012 R2 servers as dc or not.

I know adding a Windows Server 2012 R2 server as a domain controller in a 2008 R2 functional domain works, but is it supported?

All I found was this: http://technet.microsoft.com/en-us/library/cc771294.aspx
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Question by:nifdrift
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by:Mike Kline
ID: 39627294
Yes it is supported, having a domain functional level of 2008 R2 means you can't have any DCS with an OS lower than 2008 R2 (2008/2003/2000) but you can have DCs with a higher level OS.

Thanks

Mike
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by:Will Szymkowski
ID: 39627703
As stated above 2012 DC is compatible with a 2008 R2 environment. When you add the new 2012 DC to the environment it does make Schema modifications to allow the DC's to communicate accordingly. This process is automatic when adding 2012 DC unlink previous versions where this needed to be done manually.

Will.
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by:Sandeshdubey
ID: 39629176
As other suggested it is supported see below link how promote Win2012 server as DC in Win2008 R2 network.

Adding first Windows Server 2012 Domain Controller within Windows 2003/2008/2008R2 network:http://kpytko.pl/2012/09/07/adding-first-windows-server-2012-domain-controller-within-windows-200320082008r2-network/
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by:nifdrift
ID: 39629644
I think you are missing my question. It's regarding 2012 R2, not 2012.
And I can't find any documentation from Microsoft stating it is supported.
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by:Mike Kline
ID: 39629831
Yes it is supported (2008 R2 with 2012 R2).  

Thanks


Mike
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by:nifdrift
ID: 39629929
Can you refer to any documentation?
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by:Sandeshdubey
ID: 39632467
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nifdrift earned 0 total points
ID: 39640941
We used a support case with Microsoft, and they can confirm in writing that having a 2012 R2 DC in a 2008 R2 forest is infact supported. They apologized for the article not being updated and has flagged it as "in need of attension".
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by:nifdrift
ID: 39653061
Got answer from microsoft
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