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Outlook 2007 error in EMSMDB32.DLL when performing search

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Today I have discovered the solution to a problem that began yesterday.

Some of our client computers running Office Outlook 2007 (connecting to Exchange 2007) started crashing, when performing a search on any folder.

The error would crash Outlook and ask the user if they wish to restart. The error is reporting the problem in EMSMDB32.DLL.

After reviewing the event logs I discovered that the error began occuring after Windows Update installed the NEW version of KB2412171 (This originally caused a problem when released in December of last year and the new version also has this bug).

Uninstalling update KB2412171 from the affected machines resolved the problems immediately.

Hopefully this information will assist some of you in your troubleshooting.
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Author:BrainPicker
26 Comments
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by:BITS_LA
This was right on the money for me. I tried many other things before checking the kb here. Thanks BrainPicker!!
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by:Billetkontoret
Wow wow wow BrainPicker :) thank you very much. I spent several hours yesterday on four of our clients that where affected with this problem.

However I think it is strange that it was only on 4/40 of our clients that where affected.

I also tried to recreate the affected clients mail profile but that only seems to work on 1 of the 4 affected clients.  


Thank you :)
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by:PTSMN
Thank You! Very helpful information.  It worked for my client also.
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by:BITS_LA
Opps. Computer always work great until people use them. The update reapplied itself so either disable updates, not good, or ignore the update. Otherwise they call you back saying its still broken.
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Author Comment

by:BrainPicker
I forgot to add that I went into WSUS to decline/remove the update!
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by:Billetkontoret
Do MS know that there is a issue with KB2412171? I read somwhere that KB2412171 first was released last year, but due to issues MS released a new version of KB2412171 the 11th of Janurary that corrected the bugs. Unfortunately a new bug was introduced as we see :(

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Expert Comment

by:guytrey
Thanks :) :)
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by:akafiti
Man, THANK YOU so much.  This article saved me from many many hours of banging my head against my desk trying to find an answer I probably never would have found.  Not to mention the nagging from my users who made a point to tell me EVERYTIME it happened to them.  Great article.
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Expert Comment

by:jhuntin
You are the man, this worked for me as well.
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by:bobnla
Cannot thank you enough for posting this!
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by:completesmb
I have to agree with everyone here, this is a GREAT POST and it helped me out on 1 desktop out of 10 that are all configured the same. Has anyone noticed any trends on if this is only occurring on Windows XP or has anyone seen this on Windows Vista or 7? Mine was on a Windows XP machine. Thank you for this post.
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Expert Comment

by:BITS_LA
Seems to just be XP and of course only Office 2007. 2003 and 2010 are safe.
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Expert Comment

by:jhuntin
no because mine is a win 7 x64 with office 2007 that was doing it.
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Expert Comment

by:BITS_LA
jhuntin is correct. To clarify it impacts machines on any OS running 2007. The 7 boxes we have are on 2010.
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Expert Comment

by:bjor12
Hi!

This bug shows only if you have cached exchange mode disabled. If you enable cached mode, search works just fine.

How can we uninstall the patch ? I tried uninstalling from the control panel, but that does not work...

B.
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Author Comment

by:BrainPicker
I experienced cached mode as working fine whilst caching but then still showing the bug once the cache was complete.

Uninstalling that patch from control panel and then rebooting did the trick, make sure that you have the patch unapproved/scheduled for removable in WSUS if you're using it.
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Expert Comment

by:bjor12
Unisntall of the patch in control panel does not work with me - it simply wan't unisntall. Don't really know why.

What happens if I mark it as scheduled for removable in WSUS ? Does WSUS instruct the PC's to uninstall the patch ?

Regards,
B.

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Author Comment

by:BrainPicker
It will schedule the uninstall, depending on your group policy settings this may take some time before you see the patches removed.
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Expert Comment

by:spectre921
Just another confirmation.  Removing the patch worked like a charm.
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Expert Comment

by:Blaireau
Thank you very much it solved my problem too ;)
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Expert Comment

by:RonSanderson17055
One more thank you...Does anyone know if the update will be fixed my Microsoft?
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Expert Comment

by:guytrey
Maybe next year :)
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by:0613
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by:larsongross
The kb2475891 hotfixed worked for me as well
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Expert Comment

by:pcdiscovery
One of my users is running Windows XP with Office 2007 SP3, and is experiencing this problem.  However, I don't see KB2412171 in add/remove programs (even with updates displayed).  When I try to run the updated version of KB2412171 or KB2475891 hot fix I get the message, "Expected version of the product was not found."  Any other suggestions?
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Expert Comment

by:pcdiscovery
Update:  deleting the mso.dll file and letting Outlook automatically recreate it (as noted in http://social.technet.microsoft.com/Forums/en-US/outlook/thread/905219e7-dbff-462b-a804-420bd021af2c) solved the problem.
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