At 08:59hrs this morning I got a call from a customer who was unable to receive e-mail. Logging into their server I discovered that there were indeed messages stuck in the Local Delivery queue. I checked the Application event logs and found the following event log
Event Type: Error
Event Source: MSExchangeSA Event Category: MAPI Session Event ID: 9175 Date: 8/05/2012 Time: 9:12:31 AM User: N/A Computer: ***DELETED*** Description: The MAPI call ‘OpenMsgStore’ failed with the following error: The attempt to log on to the Microsoft Exchange Server computer has failed. The MAPI provider failed. Microsoft Exchange Server Information Store ID no: 8004011d-0512-00000000 For more information, click http://www.microsoft.com/contentredirect.asp.
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