'Cannot open mail item' when index searching in Outlook 2010 - Only affects mail items in the Exchange 2013 Archive.

Hi All,

Many of our 100~ Outlook 2010 users (all latest updates) get a 'Cannot open mail item' error when searching in Outlook 2010 - The issue only affects mail items in the Exchange 2013 Archive. The issue goes away for a period of time when you close and re-open Outlook.

If you select a mail item in the search results and wait for a few seconds, sometimes we can open the mail item successfully. If you look for the mail items manually in the folder list you can open them no problems.

We found a couple of Outlook hotfixes that claimed to resolve the "Cannot open mail item" error but alas, after a few days the issue has returned. Thankfully not too many people seem to have noticed yet but I've done a spot check test and most users do seem to be affected.

Thanks for any suggestions guys.
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Do you try to rebuild the Windows indexing. You can find the windows indexing option at Control Panel
aroddickAuthor Commented:
Yep we've tried that on a few systems, the problem comes back in each case. Indexed items in the 'live' mailbox are OK, only the archive items have the issue.
aroddickAuthor Commented:
I've had an ex-colleague suggest https://support.microsoft.com/en-us/kb/2965290 which seems to have solved our issue.

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aroddickAuthor Commented:
No other expert posts. Problem was solved by an ex-colleague of mine. Sharing on EE for community benefit.
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