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Moving Exchange Information

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by aj.boonstra

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I am setting up a new DC and basically redoing my company network. I'm going to be redoing all of the AD accounts, and I need to transfer the exchange information over to the new DC and reassociate it with the new accounts, as some of the usernames will change to create a standard naming convention. Has anyone ever done this, reassociating exchange information?

5 replies

by cmeredith

When you say the exchange info are you referring to the actual message databases or just the account info? I also assume both windows server and exchange are on 2k/2k3?

by aj.boonstra

The old DC is a 2k machine and the new one will be a 2k3 machine. When I say information, I mean mail, calendar, and other information.

by curlergirl

How many users are we talking about here?

If there aren't too many, the easiest way to do this might just be to export everything to PSTs and then reimport it to the new mailboxes.

OTOH, you could use a migration strategy, whereby you migrate everything to your new Win2K3 domain as is and then change the user names afterward. That might work even better, since once the mailbox is associated with a user, changing the user name just creates a new email address, but the mailbox is still associated with the same user through that user's GUID. If you migrate the old names, then users would be less likely to lose email, also, because they could retain the old email names as a secondary email address if that is desirable.

Hope this helps!

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