We went to Exchange 2010 from 2003, Win Server 2008 from 2003 and 64-bit and Hyper-V for our Exchange environment. We needed to upgrade BES from 4.1.6 to 5.0, then 5.1 but stayed with Win Server 2003 on that machine.
Get compatible versions from Blackberry support for Exchange 2010 and O/S changes you are considering. I opened a ticket with support and got everything I needed back in an email. The upgrade(s) for BES went OK, but I'd recommend doing it when your support is available just in case. When I do upgrades, sometimes it doesn't recognize the install from disk. I had to cleanup previous old versions before the upgrade would work. In combination with the Exchange 2010 upgrade, you have to change a value for something called 'throttling' on the exchange machine, there are tech articles with instruction (KB20608 is what I used but there could be something newer). Again, Blackberry support can help. You also have to re-create the BES MAPI profile. I used KB10285, but there might be something newer. There was an order to this too but I can't find my notes right now. The only other thing that didn't work for us was that we tried to put in a MS product called TMG as a frontend for Exchange services and it broke any BIS connection back to the Exchange 2010 domain mailboxes. AT&T (our service provider) connection wasn't compatible with newest MS changes. So, we implemented without TMG. From: [email protected] [mailto:[email protected]] On Behalf Of hdawg Sent: Friday, October 15, 2010 2:46 PM To: [email protected] Subject: Re: [Bes-admins] Upgrading to BES v5 Go to 2008 64-bit Personally, I'm a fan of a knife-edge to a new OS instance Overall experience: get ready to learn how to administer BES all over again with the BAS / webconsole. I'd highly recommend reading the install guide in its entirety and give the system admin guide a good review ... you won't have any "gotchas" if you do From: [email protected] [mailto:[email protected]] On Behalf Of Ceron, Carlos Sent: Friday, October 15, 2010 3:34 PM To: 'A list for BES Admin's to discuss issues, etc. ([email protected])' Subject: [Bes-admins] Upgrading to BES v5 We'll be upgrading our domain to 2008 and to Exchange 2010. I was wondering if anyone could give some insight as to your experiences with going to 2008 domain and/or Exchange 2010 with BES. At the same time I'll be upgrading our BES from v4 to v5. What recommendations do you have about going to BES v5. Would you recommend it being on 2008? 32 or 64bit? In place upgrade? Overall experiences migrating from BES v4 to v5. thanks Carlos Ceron Network Analyst Office of Technology and Information Services The University of Texas System Phone: (512) 579-5064 Fax: (512) 499-4599 E-Mail: [email protected]<mailto:[email protected]>
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