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Exchange EVENT ID 9646 - 32 Connections to Exchange

Posted on 2010-11-15
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Last Modified: 2012-08-13
On a server that is running Microsoft Exchange Server 2003,
Event ID: 9646
Description:
Closing Mapi session "/o=Organization/ou=Administrative Group/cn=Recipients/cn=Recipient" because it exceeded the maximum of 32 objects of type "session".

I found this on the KB - http://support.microsoft.com/kb/842022 but it did not help.  How can release these sessions and figure out what caused them?
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Question by:commeng
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AshwinRaj111 earned 500 total points
ID: 34145409

If you look into the Event ID it says the user who is having the Issue.

"/o=Organization/ou=Administrative Group/cn=Recipients/cn=Recipient"

Here the Recipient is the User.

One way to resolve this is to increase the Maximum Sessions on the Exchange Server by editing the Registry.

Else you would need to check with the affected users and see their Client Configuration.

Check why these Clients open more than 32 sessions at the same time.

Could need to check how many windows of outlook they open at the same time. (Like openening different emails seperately).

Check for Outlook Add-Ins.

Check for Additional Mailboxes they might have configured in their Outlook Client.
Also for Additional Calendars or Shared Calendars they might have opened.
All these would help.

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