QUESTION POSED ON: 23 October 2007
I am adding a child domain to an existing large single domain with multiple Exchange servers. (We are adding the child domain for local administrative reasons). The email server for this location is Exchange 5.5. It has an Active Directory Connector (ADC) on it now, and we will be upgrading it to Exchange Server 2003. We will be doing so via a new server with a clean install, and then moving resources over.
I believe the best way to proceed is as follows:
- Create the domain controller (DC) for the new child domain.
- Add the new Exchange server to the child domain.
- Use the Active Directory Migration Tool (ADMT) to move resources.
- Move mailboxes using ExMerge.
- Move the other resources over.
In creating the child domain, I will be moving existing resources, user accounts, client PCs and servers over using the ADMT. When I move the accounts over, will the email information be updated? If not, what is the best way to accomplish the move?
As another option, should I add the new Exchange server now, before we add the child domain, move the resources over from the old Exchange 5.5 server, and then migrate to the new DC?
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