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Outlook creating and deleting copies of emails in inbox after Exchange migration

Posted on 2013-02-07
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Last Modified: 2013-02-20
We are doing a cross-forest migration of Exchange.  Both organizations are Exchange 2010 SP2.  All Citrix servers run Outlook 2010.

When we migrate a user, everything migrates successfully, and as long as they don't access outlook through Citrix, the migration is successful.

If the user access outlook in citrix, they can open outlook and access email normally, however regardless of the view it's on, as soon as Send/Receive is clicked (or the time comes for send/receive to initiate,) Outlook is creating a copy of every email in their inbox, then deleting it.  It starts on email 1, copies it, deletes it, then moves to email 2, copies it, deletes it, etc.    So their inbox folder is jittering (or flashing as they called it) up and down constantly.

If Outlook is open while OWA is open, OWA shows the changes happening on the server as well.  As soon as Outlook is closed, the duplication/deletion stops in OWA.

We are not running in Cached mode (as it's a Citrix server,) so there's no OST file to remove

If we create a new outlook profile, the problem doesn't persist through profiles.  So this is a "quick single person fix."

We have tried:
- Doing a repair of the Outlook Autodiscover profile.
- Deleting all files associated with Outlook Cache (Not including registry keys) and letting it recreate.
- Opening outlook in safe-mode
- Opening outlook with most switches (cleanfreebusy, etc) that I would expect could relate


Since we have nearly 1,000 users to migrate, we can't recreate the profiles of each user, especially since a number of users have delegate mailboxes, etc.


Please help
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Question by:fpcit
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by:barrykfl
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Just let user using outlook directly e.g. web is oK?
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by:fpcit
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I'm not sure I understand.  But if you're suggesting we have 1,000 users forgo using outlook in Citrix in exchange for OWA, unfortunately that's not really much of an option......

If that's not what you meant, could you please explain a little more?
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fpcit earned 0 total points
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We had previously ran an Office update with no luck in solving the problem.
This time we did a full Microsoft update including .Net, Office, Silverlight, etc.
After getting the software FULLY updated, the problem went away.
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by:fpcit
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