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Can a server running Windows Server 2012 R2 (file server, app server, etc.) exist on a network with Windows Server 2008 R2 domain controllers, or do the DC's need to be upgraded first?

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Q: Can a server running Windows Server 2012 R2 (File server, app server, etc.) exist on a network with Windows Server 2008 R2 domain controllers? A: Yes. –  joeqwerty Jul 25 at 20:09
    
Thanks, all. That was the answer for which I was hoping. –  Jeanne Jul 25 at 22:38

2 Answers 2

Can a server running Windows Server 2012 R2 (File server, app server, etc.) exist on a network with Windows Server 2008 R2 domain controllers

Yes. For that matter, you can join practically any version of Windows (from 2000 onward) to that domain without any problems, or touching the domain controllers. The operating system on your domain controllers has essentially nothing to do with which operating system(s) the member servers can run.

The main impact of the domain controllers' operating systems is the domain and forest functional levels of your domain and forest, and those determine which Active Directory features are available.

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Thank you for the reply and link. Good information. –  Jeanne Jul 25 at 22:49

Sure it can, we have things set up just like that in our office. As long as you do not make it a DC, you should be fine.

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-1 Why can't he make it a DC? He can have Server 2012 R2 Domain Controllers on a 2008 R2 FL forest/domain. I have a bunch of forests like that myself, because the current ADMT requires a Server 2008 R2 target server on the new domain. –  HopelessN00b Jul 25 at 20:21
    
He is a she and thanks again! –  Jeanne Jul 25 at 22:40

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