Replacing Existing Domain Controllers
If you need to migrate specific DC functionality to the new Active Directory environment but plan to use new hardware, you need to bring new DCs into the environment before retiring the old servers.
Windows Server 2012 uses a roles-based model. To make a Windows Server 2012 server a DC, the AD DS role is added. This is the most thorough approach, and the following steps show how to accomplish this to establish a new Windows Server 2012 DC in a Windows Server 2003/2008 R2 Active Directory domain:
Note
This procedure assumes that the Windows Server 2012 OS has been installed on the server. See Chapter 3 for steps to do this. The server does not need to be a domain member.
1. Log on to the new server as an ...
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