2012 standard server as a additional domain

hi,

here is the scenario, currently we had windows 2003 R2 as a primary domain controller with fsmo role running with MS Exchange 2007. now i want add a windows standard server 2012 as a additional domain controller to existing domain and i still want windows 2003 R2 as a primary domain. but mine concern is, do i need run the adprep on 2003 R2 primary domain controller. please help.

thanks.
jason_chongAsked:
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Emmanuel AdebayoGlobal Windows Infrastructure Engineer - ConsultantCommented:
Hi,

You will not need to run adprep on 2003 R2, what you need to do is to check to ensure that the Domain Functional level is set to Windows 2003 mode.

To check this
1. Open the Active Directory Users and Computer console
2. Select the domain, right click on it
3. Select "Raise Domain Functional Level" check the current domain functional level.
4. If this is not already at Windows 2003 mode, you will need to change this.

You cannot start add feature and roles on your Windows 2012 to join the server to teh existing Active Directory.

The following link might assist.

http://blogs.technet.com/b/canitpro/archive/2013/05/05/step-by-step-adding-a-windows-server-2012-domain-controller-to-an-existing-windows-2003-network.aspx

Regards
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jason_chongAuthor Commented:
Hi,

Thanks for comment.
both side (2003 R2 and 2012 standard server) does not need to run adprep?
i dont understand cannot add feature and roles on windows 2012 to join the server to the existing AD. can you give me more description?

Thanks.
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