how to migrate active directory from one server

Posted on 2011-05-12
Last Modified: 2012-05-11
What is best way to migrate active directory from one server to another.
Question by:nkarim
    LVL 95

    Accepted Solution

    Starting relatively from the beginning:

    1. Install new server.
    2. Join New server to the domain
    3. Run diagnostics on existing server (DCDIAG, NETDIAG, etc - correct any problems found)
    4. Perform system state backup on existing server.
    5. If necessary, run the necessary ADPREP or ADPREP32 commands to prepare the domain for the new server, assuming the new server is not the same version of Windows.
    6. Run DCPROMO on the new server (may require installing appropriate role depending on version of Windows).
    7. Make the new server a GC.
    8. Wait a while (be safe, a day) and run DCDIAG and NETDIAG to ensure everything is good.  If it isn't, fix it.
    9. Transfer FSMO roles to the new server
    10. Demote old server using DCPROMO.
    LVL 11

    Expert Comment


    I agree with leew , & I have another method to migrate active directory.

    By using ADMT (Active Directory Migration Tool)

    Tushar Kaskhedikar

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