EventId 9646 for Blackberry Admin account that has View Information Store Status rights - Exchange 2003
I've started moving Exchange 2003 users from a BES4 server to a BES5 server. However after moving the first batch of 16 I got a 9646 error showing up in the log - Mapi session BESAdmin exceeded the maximum of 332 objects of type "session" Those 16 all seem to work ok however although the error is still showing up in log regularly. But when i did the next batch I got a BES error message to the effect that the Information Store could not be opened. All users on same server, some in same databases. I'm confused because the service account (different one for BES5 than BES4) has View Information Store Status rights which is supposed to negate the session limit. Any thoughts? Neill
August 10th, 2010 3:56pm

Can you please post the complete event? thanks Thiyagu Thiyagu | MCTS/MCITP - Exchange 2007 | MCSE 2003[Messaging] | http://www.myExchangeWorld.com. This posting is provided "AS IS" with no warranties, and confers no rights.
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August 10th, 2010 4:16pm

Here you are Thiyagu. Mapi session "/o=xxxxxxxxxxxxxxxxx/ou=Exchange Administrative Group (FYDIBOHF23SPDLT)/cn=Recipients/cn=BESAdmin" exceeded the maximum of 32 objects of type "session".
August 10th, 2010 4:49pm

thanks NeillT, I guess you have tried this KB, looking at ur initial post. http://support.microsoft.com/kb/842022 Have you restarted the IS service on that particular exchange server? thanks ThiyaguThiyagu | MCTS/MCITP - Exchange 2007 | MCSE 2003[Messaging] | http://www.myExchangeWorld.com. This posting is provided "AS IS" with no warranties, and confers no rights.
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August 10th, 2010 4:54pm

Forgot to ask, what is you exchange version?Thiyagu | MCTS/MCITP - Exchange 2007 | MCSE 2003[Messaging] | http://www.myExchangeWorld.com. This posting is provided "AS IS" with no warranties, and confers no rights.
August 10th, 2010 4:58pm

I had looked at the KB but was negated by already having given the service account the View Information Store Status rights. IS hasn't been restarted since before I moved the users between the BES but it has been restarted since the BES account was given those rights. Does that make sense? I think it is scheduled for a failover this weekend as part of our normal processes. Exchange 2003 SP2
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August 10th, 2010 5:09pm

Check this: http://www.blackberryforums.com/blackberry-network/82042-mapi-session-maximum-32-objects.html http://www.tek-tips.com/viewthread.cfm?qid=1096934&page=8 thanks Thiyagu Thiyagu | MCTS/MCITP - Exchange 2007 | MCSE 2003[Messaging] | http://www.myExchangeWorld.com. This posting is provided "AS IS" with no warranties, and confers no rights.
August 10th, 2010 5:50pm

Hi Neill, The issue is caused by BlackBerry client open many MAPI sessions to the Exchange Server. I would suggest you contact BlackBerry support or write the post in BlackBerry forum for further help. Thanks, Elvis
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August 11th, 2010 10:08am

Hi Neill, The issue is caused by BlackBerry client open many MAPI sessions to the Exchange Server. I would suggest you contact BlackBerry support or write the post in BlackBerry forum for further help. Thanks, Elvis
August 11th, 2010 10:08am

I am in contact with Blackberry support. However it doesn't explain why the 9646 error would be logged when the service account has the Administer Information Store and View Information Store Status permissions. I'll get the IS restarted at the weekend and see if it makes any difference.
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August 11th, 2010 1:27pm

http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB02276 If you did the mailbox movement in the last few hours, then restart the BB service or run handheldcleanup utility. Also, I would suggest to run IEMSTest.exe (Blackberry Installation Directory\Bin) and select the user from GAL to see the corresponding permission what is visible for BES 5. It may be a replication issue. Good Luck -Shaba-
August 13th, 2010 9:52pm

Cheers Shaba, Although it was an inter-version transport rather than a mailbox move, i.e. BES4->BES5 rather than EX2003->EX2010. Thanjs Neill
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August 17th, 2010 4:31pm

I'm still having problems with this. If I restart BES then I can't get the users to start properly until I also fail over the cluster. Can ANYONE think why a service account that has the View Information Store Status right set on all the databases (and store has been restarted) would still be logging 9646 too many MAPI sessions in the event log. As far as I can tell this is NOT a Blackberry issue but an Exchange issue. Thanks Neill
August 30th, 2010 4:59pm

Hi Neill, I have same issue. I contacted with Microsoft and RIM, but I couldn't find solution, yet. Could you please give information about your solution? Thanks.
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March 11th, 2011 2:46am

Hi Yalcin, I never got a solution I'm afraid. I just migrated the users to BES5 as I migrated their exchange mailboxes to EX2010. Neill
March 11th, 2011 10:58am

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