Cannot install rest of Exchange - cannot delete Exchange - c0070020

I installed Exchange 2003 on the second server in my network tonight.  At the end of the install, the management tools failed with the message "Win32, c0070020, Microsoft Exchange Setup".  I cannot get into System Manager no matter what I do.  I tried reinstalling the tools to no avail.  Now, I am trying to uninstall them and I get the message "The component 'Microsoft Exchange and Collaboration Services' cannot be assigned the action 'Remove' because:
-One or more users currently use a mailbox store on this server.These users must be moved to a mailbox store on a different server or be mail disabled before uninstalling this server.'"

But there are no users other than SMTP and System Attendant.

HELP!!
crapshooterAsked:
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BusbarSolutions ArchitectCommented:
follow the steps in this article to remove exchange 2003 :
http://support.microsoft.com/kb/833396

i will suggest after that format the server , reinstall windows and then install exchange
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SembeeCommented:
This is a common problem.
When you create accounts, the mailbox is not created until required. Therefore you have probably got a mail enabled account that is pointing to the server that you want to remove but was never used.

At the end of my migration article I have a technique for finding these accounts.
http://www.amset.info/exchange/migration.asp

Simon.
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crapshooterAuthor Commented:
Perfect!  Thanks guys!
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Windows Server 2003

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