Current - Unity on a DC with Exchange 2000
Wish to replace with Failover Pair - anyone done anything similar?
I hate to keep this going :-)
the issue is not really whether or not you move the messages. It is good that you are not however Exchange could have to remain the same. Same name same mailstore same aliases, and so for. Here is the reason.
Whether or not you move the messages the subscribers are still tied to a mailstore and AD. If on of the field that DiRT is looking for does not match it creates a new AD account and Exchange mailbox. Then you will have to call TAC. Duplicate mailboxes.
Yes, go with what Tommer said and try it in the lab first.