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Old 08-30-2005, 07:17 AM   #1 (permalink)
Mike Nichols
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Default Issue w/ blackberry redirector + Exchange 2003 SP1 (doesn't close MAPI connection)

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I'm having a problem with users running blackberry software version

We recently migrated to exchange 2003 Service pack 1.
However, I am now seeing the following in the event logs for users that are running the redirector software:

Mapi session "/o=SHLAWRI/ou=first administrative group/cn=Recipients/cn=*the user's id*" exceeded the maximum of 250 objects of type "objtMessage". For more information, click

I've contacted microsoft.. they gave me a hotfix that isn't released to the general public yet, however that didn't resolve the issue.
They recommended I contact the software manufacturer.

It seems that the problem is that the blackberry redirector software doesn't close it's MAPI connection to the exchange server.
Exchange 2003 Service pack 1 has a limit of 250 messages that can be opened in a single MAPI session.
While you can manually increase this limit by doing a registry edit, it wouldn't matter how high you set the limit, because as long as the redirector software is open, it keeps a constant MAPI session open, and eventually the message # limit that can be opened in a single session will be reached.

Does anyone know if version 4.0 SP1 of the redirector software addresses this issue? i didn't notice any text that states it does in the release notes.

Thank You!