moving from Exchange 2003 to Exchange 2010

Posted by pcampbell on Server Fault See other posts from Server Fault or by pcampbell
Published on 2009-12-04T16:42:27Z Indexed on 2010/05/04 21:08 UTC
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exchange

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upgrade

Consider a small-medium business' deployment of Exchange 2003. The question is around migrating to Exchange 2010. Here's a bit about the landscape:

Current state is 50-100 users/mailboxes with the majority using Outlook 2007
OWA enabled
desktop users are NOT running in Cached Exchange Mode
laptops users ARE running in Cached Exchange Mode
a single Exchange server with modest or reasonable specs for the day (3gz, multi-core, 4gb, Win 2003 32-bit)

Questions

Do you have any suggestions for the admin team regarding the upgrade path/steps from Exchange 2003 to 2010?
Considering the requirement of a 64 bit OS, consider a new separate machine as ready to go with Win 2008. Have I missed any details?
Where might virtualization help in this project?

Any lessons learned in previous upgrades (2007 or 2010) would be appreciated!

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