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Old 11-21-2010, 10:05 AM   #5 (permalink)
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Default Re: BES 4.1 Upgrade to 5.0.2 with SQL Mirroring (parallel with Ex2003 to Ex2010 upgra

Originally Posted by NTinlin View Post
Sounds right to me.
Very similar to what we are doing.
You'll need to copy your CAL keys from BES4 to BES5 before you can do any user moves.

Hi Neil,

How did you get on with your migration? I will installing BES and SQL next week and plan to start doing a few test migrations too..

I am slightly unclear on the migration order between the Exchange mailbox and the bes mailbox account.. Does one need to be migrated before the other?

Or are they compatible both ways (i.e. the Mailbox can be migrated to Exchange 2010 but BES account still in BES4.1 or can the BES account be migrated first to v5.0.2 and the mailbox still in Exchange 2010?)

any advice on that?

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