Error 80004005-501-4B9-560 – Microsoft Outlook With Exchange 2010

The error 80004005-501-4B9-560 is seen when synchronizing Microsoft Outlook with Exchange Server 2010, this error generally occurs when Outlook is trying to sync forms with public folder.  So if a user gets this error you will probably find they use public folders.

I have seen this error a few times, however there has never been an actual issue.  See possible fix’s below.

Error details :-

16:06:34 Synchronizer Version 14.0.7187
16:06:34 Synchronizing Mailbox ‘USER NAME HERE’
16:06:34 Synchronizing Hierarchy
16:06:34 Terminated in error
16:06:34 [80004005-501-4B9-940]
16:06:34 The client operation failed.
16:06:34 Microsoft Exchange Information Store
16:06:34 For more information on this failure, click the URL below:
16:06:34 (note this Microsoft URL no longer works)

Any sync errors will be kept in the Sync Issues folder in the Outlook client


Recreate user Outlook profile.

Look for added mailbox’s or other public folder items that are no longer required.

Duncan Newell

Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.

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