Exchange move

Posted on 2012-09-18
Last Modified: 2014-05-05
I have an exchange 2007 server on one forest named  I want to move it over to another forest named dc-name.loc.  The exchange will still use the same DNS name as the forest.  This dns is (old forest and dns had same name).  What is the best way to do this while also upgrading to exchange 2010.
Question by:aggiestone99

    Author Comment

    Also we have migrated user accounts over just need to match exchange up to them
    LVL 18

    Assisted Solution

    What do you mean by retaining the name of Exchange DNS name? Do you want the user retains their old email address?

    Once you moved to new forest, to retains Exchange DNS name with old name is not possible. So the Exchange will have new FQDN  name as server1.dc-name.loc. To retains user old email address. you can create a new email address policy.

    Here is basic step that required:

    1. Setup new Active Directory domain as dc-name.loc
    2. Install new Exchange 2010 (CAS, Hub and Mailbox server)
    3. Create a forest trust between and dc-name.loc
    4. using ADMT tools, move AD User from to dc-name.loc
    5. Using Exchange Move mailbox cmdlet, move the mailbox from name-net to dc-name.loc
    LVL 63

    Accepted Solution

    You cannot pickup Exchange from one forest and move it to another. Therefore you will have to do a cross forest migration, which is documented on technet in some detail.


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