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System Mailbox{Guid} Showing in Active Directory for a NonExistent Server

Posted on 2010-11-22
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Last Modified: 2012-05-10
Recently I have been working to migrate from my Exchange 2003 server to an Exchange 2007.  I seemed to have gotten everything write based on a few different articles I looked at, but when I go to add remove programs to uninstall exchange 2003, I am told there are still mailboxes on that server.  I found a technet article on how to go to active directory users and computers to do a search and look for users whose Exchange Home Server still lists my E2K3 Server.  None did, though a new issue came up.  I am currently showing two SystemMailboxes listed when I did a search on show only exchange recipients, users with exchange mailbox and both show an exchange home server of servers that have long been out of service.  My question is, what do I need to do to clean those orphaned items up out of Active Directory?  Can I simply delete them via Users and Computers or is there some ADSIEDIT tool or something I will need to use?

Once I get that straight I figure I can keep trying to figure out why I can't remove the E2K3 server.
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Question by:dioricit
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by:rjwesley
ID: 34191448
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by:dioricit
ID: 34191499
Didn't see that one, but from a quick glance, I am past that now.  My exchange 2007 server has actually been up and running since about June.  Really I was going more by this article, but it did not address the orphaned systemmailboxes I came across in AD.

http://www.msexchange.org/articles_tutorials/exchange-server-2007/migration-deployment/removing-last-exchange-2003-server-exchange-2007-part1.html
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by:rjwesley
ID: 34192123
http://support.microsoft.com/kb/930363 - might be useful.

http://www.ehow.com/how_5340958_remove-orphaned-mailbox.html

One possible solution is to create a temp user and reconnect the mailbox to that user. then delete the
user and mailbox (not sure about that one though).

Rob
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dioricit earned 0 total points
ID: 34192190
So I just went ahead and removed those two accounts and it doesn't appear to have any adverse affects.  Unfortunately, I still am being told there are mailboxes and I cannot remove Exchange 2003.  I have even gone so far as in the system manager to remove the storage groups, yet it still tells me the same error message.  Any other thoughts?
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by:dioricit
ID: 34200377
Got it all straight.  Ended up having to use LDP.exe to find the ID that still had the exchange attributes and remove them.  Thanks again for all the help.
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by:dioricit
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Ended up getting it all straight after a ton of google searches and articles.  
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