Tag Archives: Outlook synchronization

MSExchangeIS Event ID 9646: mapi session exceeded the maximum of 500 objects of type "objtFolderView" on Exchange Server 2010

Microsoft Exchange 2010

A user at a client recently was having Outlook synchronization issues.

As well as her own mailbox, she has open within her profile, a large shared mailbox and her managers mailbox.

After checking the Exchange 2010 Server event logs i noticed in the Application log MSExchangeIS Event 9646 was being logged for the user.
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