Outlook 2013 sync problems and message that Administrator has made a change

This post describes a problem I recently experienced when migrating from Exchange 2007 to Exchange 2013. Outlook 2013 clients would pop-up a message about the administrator making changes that require a restart of Outlook continuously. Also the folder synchronization fails and you see new messages arrive in your Inbox only to dissapear again after 1 second and then come back again and so forth.

The Microsoft Exchange administrator has made a change that requires you quit and restart Outlook

outlook error synchronizing folder [0-0]

These problems started occurring right after the old public folder database was deleted on the Exchange 2007 server. I only noticed it after I had already uninstalled the Exchange 2007 server completely. Why only Outlook 2013 has this problem I don’t know, but here is what’s wrong.

On the Mailbox database on your new Exchange server there is still a value pointing to the OLD public folder database that is now deleted.
You need to fix this using Adsiedit.msc:
Go to:

Configuration >CN=Services > CN=Microsoft Exchange > CN=Your Organisation > CN=Administrative Groups > CN=Exchange Administrative Group > CN=Databases

For each mailbox database, right click and check the attributes for “MSEXCHHomePublicMDB”. You will see that the value for this attribute points to “CN=Public Folder Database*,CN=Deleted Objects,CN=Configuration,DC=YourDomain,DC=com” the old object for the public folder database that has been deleted. You must clear this value using the clear button, so it changes to “not set”, just emptying the value won’t work. Restart the Information store service or reboot the Exchange server and the problem should be solved.

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