10-20-2011, 10:37 AM
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| | Complicated BES and AD migration
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This one has me stumped and I can't find any supporting documentation, so I'm hoping someone out there has some tricks in their bag to share. One of my customers aquired a competitor and both organizations were already running BES 4.1. These are separate forests (two-way trust), with one organization running BES 4.1.7 in an Exchange 2007 environment and the other organization running two BES 4.1.X servers (4.1.6 and 4.1.4) in an Exchange 2003 environment.
The decision was made to migrate everything to a new AD forest, running everything at its current versions (Server 2008 R2, Exchange 2010, etc). Nothing has been migrated yet, but the plan is to migrate users/mailboxes with Quest migration tools, but is there a supported method to migrate the BES users? As their AD account and mailbox will be migrated, I really just need to find a way to re-associate their handhelds with the new BES server(s) (may or may not do a BES 5.0 cluster).
Last I counted, the BES user breakdown was as follows:
4.1.4 - 31 users
4.1.6 - 71 users
4.1.7 - 35 users
I'd really prefer not to re-activate every single one if at all possible. If these need to be upgraded to 5.X in order to move them, I have no issues with that, I just need to put together an action plan.
Senior System Engineer
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