Exchange 2003 logon sessions

5 pts.
Tags:
Exchange 2003
Exchange 2003 administration
Exchange administration
TCPChimney
Why does exchange server 2003 create so many logon sessions? When you open the ESM and navigate to Administrative Group->Servers->Server->First Storage Group->Mailbox Store->Logons. Some users have as many as fifteen sessions, why? I also get the following error in the application event log. Event Type: Error Event Source: MSExchangeIS Event Category: General Event ID: 9646 Date: 6/2/2009 Time: 2:21:50 PM User: N/A Computer: EXCHANGE3 Description: Mapi session "/o=Domain/ou=DOMAIN-NT/cn=Recipients/cn=user" exceeded the maximum of 500 objects of type "objtFolder". For more information, click http://www.microsoft.com/contentredirect.asp.
ASKED: June 2, 2009  8:27 PM
UPDATED: June 21, 2013  5:46 PM

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Some additional logon sessions are created when a user is doing a free/busy search for multiple attendees or looking at someone’s calendar or has another user’s calendar or mailbox on their folder list. If you try one of these and watch your logon sessions you will see them increase and then decrease again when you close the other calendars or mailboxes. If they do not close then read this for help with scalable networking issues which causes problems with multiple logon sessions on the exchange servers.

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