Remove of Exchange 2003 throwing error

We are in the process of moving our exchange 2003 organization to exchange 2010 and are having some difficulties removing 2003.

In total we have some 11 exchange servers running and 5 of the locations have had 2010 installed on new servers.  We stated to remove exchange 2003 from 2 of these sites, but the un-install has been less than smooth.  

In these first 2 we got errors stating that Exchange was unable to uninstall a subcomponent of ActiveSync and shows an error code of 0x80040154.

We have not a clue what it was trying to do and hoped someone might be able to guide us around the issue.  It would be nice doing a clean removal, but if that is not going to happen, then words of wisdom on a manual removal from active directory would be nice as these boxes are destined for the bone yard anyway.

Thanks in advance
tsigellsAsked:
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Will SzymkowskiSenior Solution ArchitectCommented:
ADSIEdit for the specific computer you are removing.

Will.
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Simon Butler (Sembee)ConsultantCommented:
See that a lot.
The quickest solution is to reinstall Exchange 2003 on top of the existing installation (reinstall is an option in the setup programme). Once complete (and you get a lot of prompts about file version conflicts) the uninstall should complete successfully.

Simon.
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Will SzymkowskiSenior Solution ArchitectCommented:
I would first try deleting the reg key located at the following location..
"HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\uninstall"

Then try the removal again. If this does not work manually approach might be the best option. See link below for all correct steps from the MS KB article.

http://support.microsoft.com/kb/833396

Will.
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tsigellsAuthor Commented:
Did the re-install and also applied the service pack and still get the same error...
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tsigellsAuthor Commented:
Will, are you saying delete all the entries under "Uninstall", or sort through looking for those that relate to Exchange?
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Will SzymkowskiSenior Solution ArchitectCommented:
Sorry, not the entire directory, just the keys that point to Exchange.

Will.
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tsigellsAuthor Commented:
Removing the keys in uninstall has no effect - same problem.  Throws the error when processing "Removing Active Directory objects for Exchange ActiveSync".  Never easy.
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Will SzymkowskiSenior Solution ArchitectCommented:
You might be better of to remove the server manually using the KB link i provided in my first post.

Not always the best approach but you may be spinning your wheels around the issue for some time before it uninstall gracefully.

Will.
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tsigellsAuthor Commented:
I agree - at times the bigger hammer may be uglier, but faster.  with the manual move, since I really do not care about the machine (it will be flattened) do I just need to do ASDIEdit piece, or follow the entire procedure?
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tsigellsAuthor Commented:
At times, even a blind squirrel will find a nut...

The solution to the uninstall of this fine product is that you have to take the Public Folders and move them to another server.  Once moved, delete them on that server and then do the uninstall.

Works fine - should have been obvious to someone like Clark Kent !!!
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