Upgrading W2K to W2K3 DC

Discussion in 'Server Migration' started by Michael, Jul 30, 2004.

  1. Michael

    Michael Guest

    First thanks in advance for the help.

    I have a Windows 2000 Domain that I want to upgrade to
    Windows 2003. I have 5 Domain Controllers. 2 at my
    Corporate office and 1 at each of my 2 remote offices. I
    want to upgrade them to Windows 2003 but I am not going
    to be able to do it all at the same time. I wanted to
    know if it was possible to do this with out causing a
    problem. Is it possibe for me to have 1 Windows 2003
    Domain Controller while all the rest are Windows 2000
    Domain Controllers?

    Any insight you can give me in this would be greatly


    Michael, Jul 30, 2004
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  2. Michael

    MOTE Guest


    Yes, Windows 2003 DCs and Windows 2000 Dcs can co-exist without any
    You will have to upgrade the AD schema to Windows 2003 before you can
    your first Windows 2003 DC. There are a number of papers in MS web site, on
    how to go about this. The safest is to have all Win 2000 DCs running SP 4.
    Make sure
    you make a system backup of your DCs before running ADPREP.

    MOTE, Jul 30, 2004
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  3. Hi Mike,

    Thanks for your posting here.

    Mote is right. You need to run adprep tool first to extend the AD schema in
    Windows 2000 domain, then you can upgrade Windows 2000 DC to Windows 2003
    or add new Windows 2003 DC.

    You can find the detailed information in the article of 325379.

    How to upgrade Windows 2000 domain controllers to Windows Server 2003

    Have a nice day!

    Bob Qin
    Product Support Services
    Microsoft Corporation

    Get Secure! - www.microsoft.com/security

    When responding to posts, please "Reply to Group" via your newsreader so
    that others may learn and benefit from your issue.
    This posting is provided "AS IS" with no warranties, and confers no rights.
    Bob Qin [MSFT], Aug 2, 2004
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