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After disabling/uninstalling Exchange from our source SBS2003 server, I'm getting these warnings:

  • Event 5020 "The topology doesn't contain a route to Exchange 2000 Server or Exchange Server 2003 sourceserver.domain.local in Routing Group [...]"
  • Event 5006 "Cannot find route to Mailbox Server CN=SOURCESERVER [...] for store CN=[...]", for Public folder, First storage group and Recovery storage group.

I followed the technet article here: (linked from the SBS 2003 -> 2011 migration guide). When uninstalling Exchange, I got a warning about NNTP not being found in the registry, but that didn't seem relevant, and the uninstall continued. The server was subsequently removed from the domain and shut down, as per the instructions.

If I open the Public Folder Management console on the Exchange 2010 server, the public folders \NON_IPM_SUBTREE\EFORMS_REGISTRY and \Archived mails gives an error on "Update content". I haven't found anything else which indicates something is wrong. We never really used the public folders on the old server, so there isn't really anything lost. Can I just remove these folders and let them be created anew?

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Have you followed this article?

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Hi! Unfourtunatly, no, not until now. That article seems to detail how the uninstallation should have been performed. I did the uninstallation as per the instructions in the article I linked to in the question, which either is missing a step, or I failed to follow correctly. The source server is uninstalled and decommissioned, so I can't really "try again". – carlpett May 5 '11 at 10:21
My suggestion is to backup the AD and try to remove the server manually, however it requires a research to verify exact location of the entries in the directory. – Vick Vega May 5 '11 at 15:13
@carlpett Are you still experiencing issues? – Vick Vega Aug 26 '12 at 23:57
Yes... I haven't had a suitable window to do an AD cleanup (well, seeing as how it's been more than a year, I probably have, but haven't had it on the top of my mental pile of todo). I'll try to get it done since it is still bugging me, but time is as always scarse. Sorry. – carlpett Aug 27 '12 at 6:53

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