Calendar Folder property is missing - Event 27

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Commodore

Senior Member
Outlook version
Outlook 2021 64 bit
Email Account
IMAP
Since the last batch of Microsoft's updates (which included some Office 2010 updates as well), my Application log in Windows 7 is full of events with ID 27 and source Outlook, with the description saying "Calendar Folder property is missing". Any idea what could be the cause? I haven't changed any settings in the meantime. I only use POP3 and one IMAP account, no Exchange connection or anything like that.
 
So it also doesn't matter whether I have Microsoft Exchange Add-In enabled or not? I saw it as a possible solution somewhere on teh internets, but I get those errors in either case (and I don't need that add-in at all, but was enabled along with a few others after the updates).
 
So it also doesn't matter whether I have Microsoft Exchange Add-In enabled or not? I saw it as a possible solution somewhere on teh internets, but I get those errors in either case (and I don't need that add-in at all, but was enabled along with a few others after the updates).

Disabling that addin didn't fix it on my machine. But, if you don't use an exchange account, you don't need that addin and you can disable it if you want.
 
This Calendar Folder Property Missing error first shows up in my event logs on 7-25-2013, and that is the same date as i installed KB2760631, KB982726, and KB2687455.




Beginning with that date, I have occasionally been unable to start Outlook 2010 - it hangs on the password screen.




previously I have been able to restart the computer and finally get into Outlook, but today after repeated restarts it isn't working.




So uninstalling the updates is the only answer at this point?




No imap or exchange involved here, POP3 only. But, 18 pst files totalling 14GB.
 
As an FYI, there is no hotfix yet, no ETA on one. The last time I discussed it with the product team, they had no additional information or time line for the fix, only that they had it in the database for both the june update and SP2.
 
Just for giggles... http://support.microsoft.com/kb/2883156/ - this is Microsoft's acknowledgement of the problem. The "workaround" is to remove pst files from the profile, and is mostly useless IMHO, as you need pst files with pop3 accounts, internet calendars, connected sharepoint, and some people use them for archives.
 
Why would anyone want to remove PST files from the profile.... :D My "workaround" is better: Trying to ignore that until they find a solution. :cool:
 
Exactly - ignoring is much better. You can create a filter in the even viewer to hidden those events if you're ocd.
 
I have exactly the same problem. I have 4 IMAP and 2 POP accounts. They generated 6 warnings almost evertime.....

I have notice a impact on the responsiveness of Outlook, is that normal?

Also Does Microsoft have any plan on fixing it?

Thanks,
 
its a bug, it should be fixed in Dec updates. it shouldn't impact responsiveness though.
 
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