Either way...it's going to take a LOT of coordination. We didn't anticipate such HUGE issues with Exchange. Migrating user accounts, and computers was a breeze! To top it all off, we use Blackberry server with one SRP. Moving BB users is going to present an issue also from what I can tell.
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I could have made a neat retort but didn't, for I was flurried and didn't think of it till I was downstairs.
-Mark Twain