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Exchange Server 2003 Problems

  I have been playing with Windows 2003 to SBS 2011 migration. All goes pretty well except when I try to migrate the Exchange Server 2003 mailboxes. About half of them fail with the error message that there are too many corrupt messages.

   I suppose one more addition step before the migration might be a good idea. Maybe checking the Exchange Server 2003 database for corrupt messages and repairing them. Which eseutil option would do that? Repair?
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jimbecher
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jimbecher
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Glen KnightCommented:
You will have to increase the skip corrupt item count in the move mailbox wizard.
You may also find my article here useful, it's for SBS2008 but the steps as I have found in my recent SBS2011 migration guide are almost identical: http://www.experts-exchange.com/OS/Microsoft_Operating_Systems/Server/SBS_Small_Business_Server/A_2465-Migrate-Windows-2003-with-Exchange-to-Small-Business-Server-2008.html
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jimbecherAuthor Commented:
  Been there done that :) I increased the skip count to 500. Failed half the mailboxes right off the bat. Do you think 500 is too low? I am going to have to revert to the original question. How do you detect and fix corrupt messages on the 2003 side before migration?
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Glen KnightCommented:
well, that's kind of difficult because if they are corrupt Outlook won't display them.
Repairing the database MIGHT fix it but there is no guarantee and that's a lot of downtime eating in to your migration.

I would increase the corrupt count on one mailbox to say 1000 and see if it gets past it.
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jimbecherAuthor Commented:
  You are correct. This is just a "test" migration and so far 90% of it has been spent on migrating these problem mailboxes. I'll keep playing :)
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