I have Exchange2010 client is outlook2010. We have a user who has about 7 additional mailboxes due to her role. She is hitting the MAPI limit of 500 connections for "ObjectFolder"
Event log 9646 is generated.
I have tried to apply the fix of creating a registry key called "MaxObjsPerMapiSession" as per the Microsoft KB in
\\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSExchangeIS\ParametersSystem. I have restarted the info store but we are stil seeing Event 9646 errors for this user.
I need to up the limit for this user (or globally) I cannot remove her additional mailboxes. Any suggestions.