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Solved: How do I configure stop receiving Microsoft Outlook Synchronisation Log Emails and Errors

Problem: The user keep receiving email message with a sync log as below:

15:59:48 Synchronize Version 15.0.4781
15:59:48 Synchronizing Mailbox 'XXX'
15:59:48 Synchronizing server changes in folder 'XXX'
15:59:49 Error synchronizing folder
15:59:49 [80070005-508-80070005-560]
15:59:49 You do not have sufficient permission to perform this operation on this object. See the folder contact or your system administrator.
15:59:49 Microsoft Exchange Information Store
15:59:49 For more information on this failure, click the URL below:
15:59:49 Done

To recover letters, contacts, meetings, reminders, and other things from the damaged Personal Store Folder of Outlook, you can use the last backup or return to the previous stable copy of the PST file, or try to use Recovery Toolbox for Outlook. With a very high probability, Recovery Toolbox for Outlook can restore an array of data from .pst files to their original state before they were damaged.

Outlook Sync errors are FYI emails and can be ignored & deleted safely. You will only need to check them if you are facing issues with Sync on the Shared folder or calendar. If you do, please check:

Step 1: Check whether there are appropriate permissions provided by the user on the folder.

Step 2: Once confirming the permissions, provide a new Outlook profile to the user.


If the user’s Outlook profile is configured in Cached Exchange Mode, perform the below steps to stop receiving sync log emails and errors:

Step 1: Open the MS Outlook > click on Options

Step 2: Select Account Settings > Account Settings

Step 3: Click on Change > More Settings

Step 4: Choose Advanced Tab & uncheck the Download Shared Folders option

Step 5: Restart Outlook.

Microsoft Outlook unchecked Download Shared Folders

This will partially put Outlook to online mode when the user switches on the shared folders. Additionally, by not adding other users’ stuff into the ost file, hence maintaining the health of the file.

Regarding the error code 80070005-508-80070005-560, it occurs when the offline Outlook Data File (.ost) is corrupted. This happens when Outlook is in Cached Exchange Mode and faces problems with caching files on the computer. The solution is to re-create ost file. Another common issue with permission of folder and synchronization is often caused by a folder or calendar that has been shared with you. The permissions are set to “Reviewer Rights” and you have Outlook setup in Cached-Mode. This causes the error because it’s trying to download the object without the proper permissions.

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