Do you have documentation and/or any recommendation on how to migrate cisco unity from exchange 2003 to exchange 2007?
I just wanted to post here for anyone else looking for an answer....
You just solved our problem with a VM only 4.04 migration to a failover 5.0(1) with exchange 2007.
As soon as we performed the DiRT restore, unity would lose the message store "message server is offline". We tried everything, MSCW, new reinstall, you name it.
The only thing that worked was deleting the MAPI profile from your instructions, and later found in this document:
So thanks, and hopefully this will help someone else out in the future...