Add windows 2012/ 2008 Domain controller to existing 2003 domain

Posted on 2014-08-21
Last Modified: 2014-09-06
How to add windows 2012/ 2008 domain controller to existing 2003 domain and synchronize those DC?
Question by:litmic
    LVL 19

    Accepted Solution

    For Windows 2008: before adding DC, must to prepare forest and domain:, then run dcpromo and follow directions (simply select domain controller on existing forest/domain)

    For Windows 2012: requires nothing, simply install DC role and automatically detects your schema and performs upgrade if requires.

    On both cases, full sync is auto when setup completes.
    LVL 56

    Expert Comment

    by:Cliff Galiher
    Microsoft often has step by step guidance for basic tasks on TechNet. For example, adding a 2012 DC:

    If there is a reason you are finding the documentation insufficient, it'll be easier for is to help if we knew where you were getting stuck.

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