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how do I manually uninstall exchange 2010

Posted on 2010-11-16
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Last Modified: 2012-05-10
I have a corrupt exchange 2010 deployment running on Server 2008 R2 - I cannot get into the EMC or the Shell for maintenance and when I try and uninstall through add/remove it fails all the Prerequisite checks. It is a single server deployment so it runs on the DC.

How do I manually uninstall the exchange 2010 instance.

Thanks
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Question by:Spyker1000
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Expert Comment

by:MegaNuk3
ID: 34148357
Try setup.com /mode:uninstall
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Expert Comment

by:Viral Rathod
ID: 34148364
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Author Comment

by:Spyker1000
ID: 34148612
I have tried "setup.com /mode:uninstall" and after manually stopping all the Exchange services it passes all the checks, but when it gets to the configuring section it fails on the Mailbox Server Role with the error:

The following error was generated when "error.Clear<>: $a=Get-ExchangeServer -Identity $RoleFqdnOrName; if<$a.IsClientAccessServer><start-SetupService - ServiceName W3SVC>" was run: "Service 'WAS' failed to start. Check the event log for possible reasons for the service start failure."

The event log has exactly the same error without anything more.
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Expert Comment

by:Viral Rathod
ID: 34148881
Can you post the Event viewer errors and event id please ?

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Author Comment

by:Spyker1000
ID: 34148980
I found this procedure and it works like a charm:

http://www.docstoc.com/docs/26805161/Uninstall_Exchange_2010

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Spyker1000 earned 0 total points
ID: 34148997
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LVL 31

Expert Comment

by:MegaNuk3
ID: 34149008
Uninstall W3svc from add/remove windows components then run /mode:uninstall again and see if it works, if it still fails then reinstall the W3SVC and try mode:uninstall again
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LVL 17

Expert Comment

by:Viral Rathod
ID: 34149072
I was also guessing for some issues with "W3SVC"

As per above details "start-SetupService - ServiceName W3SVC>" was run: "Service 'WAS' failed to start"

This error indicates  the W3SVC service is  failed to start

Hence to find the root cause i requested to post the event details

Any how Good to Hear!!! ,Please keep us updated,Thanks.
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LVL 31

Expert Comment

by:MegaNuk3
ID: 34149285
Thanks for the update and the link
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LVL 17

Expert Comment

by:Viral Rathod
ID: 34149375
The link you have provided to us was found from My above given link .

Any how your problems has been resolved,Good to hear!!!.LOL
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Author Comment

by:Spyker1000
ID: 34152487
Thanks for the suggestions guys. Viralrathod - I actually found the link through Google. Thanks anyway.
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Author Closing Comment

by:Spyker1000
ID: 34182466
I managed to get the solution myself
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