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Moving AD domains to new forest

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  • Moving AD domains to new forest

    Is it possible to move an existing domain to a new forest? We've got 3 small domains using different namespaces and would like to consolodate into one forest using the same namespace. What would be required to do this? Thanks, Rich

  • #2
    Here you have everything you need:

    http://www.microsoft.com/technet/pro...7fb9d3cfd.mspx
    MCSE w2k
    MCSA w2k - MCSA w2k MESSAGING
    MCDBA SQL2k

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    • #3
      This is great, thanks very much for the tip.

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      • #4
        Do you have 3 AD forests or 3 domains in the same forest, where you would like to make changes to the domain names ?
        Guy Teverovsky
        "Smith & Wesson - the original point and click interface"

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        • #5
          We have 3 separate domain in 3 separate forests (each forest has only one domain). Can we just rename 2 of the domains using the same domain namespace?

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          • #6
            There aresome considerations you need to do, but yes, you can rename one of the forests and build 2 new domains in the existing forest.

            But watch out: the domain you will keep/rename will be you forest root domain, meaning that you will either have to build child domains UNDER the namespace of the forest root domain or you will end up installing new trees in the forest (I am not a big fan of the last setup).

            Now this brings up the issue of whether you are planning to have empty forest root domain or not, beacause if you intend to have empty root, you will still need to movethe accounts from the renamed domain to some child domain.

            In any case, depending on hte size and complexity, this could be a good opportunity to "start from scratch" and build a brand new forest. I personally would favor this approach if there has been done much customization to the existing domains from the ACL/policy/structure point of view.

            Building a brand new forest will let you start with a clean environment without any leftovers from the past.
            Guy Teverovsky
            "Smith & Wesson - the original point and click interface"

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