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Upgrade Server 2003 x64 to 2008 x64

Posted on 2010-09-07
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I am upgrading to Server 2008 across the servers within our company VPN. All domain controllers have been upgraded by performing a straight upgrade of the OS. Just one more left to upgrade - exchange server. This server is a member server running x64 platform.
Can an in-place upgrade of the server be performed without too many risks? (Exchange in particular) I plan to use the existing hardware as it is quite recent.

Current platform:
Microsoft Windows Server 2003 R2 x64 SP2 running Microsoft Exchange Server 2007 SP3

Proposed platform:
Microsoft Windows Server 2008 R2 running Microsoft Exchange Server 2007 SP3
(when the OS has been upgraded I plan to upgrade Exchange to 2010)

Obviously I intend to have a snapshot of this server if I plan to go with this option. I am interested in some feedback from anyone who has performed this upgrade successfully or any advice about the best practice to get this server upgraded.


 
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Question by:cyber_racer
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Justin Owens earned 2000 total points
ID: 33623754
Doing an inplace OS upgrade with Exchange is not supported and it doesn't work. You  cannot take an existing Exchange 2007 server (RTM or SP1) running on  Windows Server 2003, and do an in-place upgrade of the operating system  to Windows Server 2008! Moreover, even if you do manage to get some or  all of the Exchange services running, Microsoft Support Services cannot  and does not support a server that is in this state, as the integrity of  the deployment has been compromised beyond repair.

Source: http://msexchangeteam.com/archive/2007/10/04/447188.aspx

I would strongly suggest you read over that article before attempting your inplace upgrade of your OS.

Justin
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