Cannot Prepare Active Directory and Domains for Exchange 2007 Installation
I have AD and Exchange Server 2003 SP2 installed in Windows Server 2003 SP2. I want to make transition from Exchange 2003 to Exchange 2007 so that i can separate AD and Exchange in different server. But when i want to prepare my AD using the setup.com from the Exchange 2007 CD in encounter this error "Performing Microsoft Exchange Server Prerequisite Check Organization Checks ......................... FAILED A previous version of Exchange Server is already installed on this computer . Run Exchange 2007 Setup from a different computer or remove the previous versi on of Exchange Server. The Exchange Server setup operation did not complete. Visit http://support.micro soft.com and enter the Error ID to find more information. Exchange Server setup encountered an error." Any Idea??
April 21st, 2010 9:11am

Hello, You cannot do an inplace upgrade of Exchange 2003 to Exchange 2007. Did you already run the setup.com command from a "clean" server?
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April 21st, 2010 9:29am

And your using an admin account that's member of enterprise admin and schema admin? If it won't work, setup a new machine to be DC, prepare the schema for exchange 2007 on this one instead. Jonas Andersson MCTS: Microsoft Exchange Server 2010, Configuration | MCITP: EMA | MCSE/MCSA Blog: http://www.testlabs.se/blog
April 21st, 2010 9:35am

Hai Peter, I did not do an in place upgrade. I want to implement Exchange 2007 in a new machine so that i can separate my AD and Exchange. Currently my AD and Exchange 2003 is install in the same machine. And I never run the setup.com command in other server. Hai Jonas, I used the enterprise admin account to run this command.
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April 21st, 2010 9:43am

Have you tried my suggestion above?Jonas Andersson MCTS: Microsoft Exchange Server 2010, Configuration | MCITP: EMA | MCSE/MCSA Blog: http://www.testlabs.se/blog
April 21st, 2010 10:07am

Hai Jonas, I have tried the solution you suggest. It works. Thanks.
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April 21st, 2010 12:14pm

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