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Uninstall of Exchange 2007 Fails

Posted on 2014-03-17
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Last Modified: 2014-07-13
Hi

I have a domain controller with Exchange 2007 on it which i need to uninstall as my new Exchange 2010 server is fully up and running.

If i try and uninstall from "Add remove Programs" the install msg start and then just diappears.

If i try it using the "Setup.com /mode:uninstall" it says

Welcome to Microsoft Exchange Server 2007 Unattended Setup
Preparing Exchange Setup
Exchange Server setup encountered an error.

thanks
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Question by:timb551
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Expert Comment

by:Simon Butler (Sembee)
ID: 39933969
Exactly what build of Exchange 2007 is it?
If it isn't Exchange 2007 SP3, then I would suggest installing that first, then attempting to uninstall it. I would also look at the Exchange setup logs for more information on why it is failing.

The usual methods for getting the server out aren't going to work as it is a domain controller. Although it might work if you stop and disable Exchange, then run DCPROMO and reboot both this machine and any other Exchange servers.
Then wipe the machine and do a recovery installation of Exchange 2007, so you can remove it correctly. It could be the installation is damaged.
However that second option should only be done one you have exhausted all other methods.

I wouldn't even contemplate the manual, UNSUPPORTED methods of removing Exchange 2007 using adsiedit, which I expect someone will suggest, simply because it is a domain controller.

Simon.
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Author Comment

by:timb551
ID: 39933978
Rebuilding isnt really an option due to the live nature of the server.

I will check the build and try install sp3.  cheers
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Expert Comment

by:Andy M
ID: 39934105
Have you removed the databases from the Exchange 2007 server before running the uninstall? I've seen this fail before because there's still databases present in the application.

The exchange setup logs should also give you more information on what caused the issue as noted by Simon, I'd recommend checking there first.
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timb551 earned 0 total points
ID: 40184634
Had to go down the dirty route in the end with adsiedit.  Not ideal at all but due to another engineer wiping the old DC in my absense it left me with no choice.
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by:timb551
ID: 40192795
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