Article ID: 958803 - View products that this article applies to.
When a computer that is running Microsoft Exchange Server 2007 with Service Pack 1 (SP1) receives a message that includes an invalid P2 header, the EdgeTransport.exe process may stop responding if the priority queuing feature is enabled. Additionally, event messages that resemble the following are logged in the Application log on the Exchange server:
Event Type: Error Event Source: MSExchange Common Event Category: General Event ID: 4999 Description: Watson report about to be sent to dw20.exe for process id: <ID>, with parameters: E12, c-RTL-AMD64, <version>, edgetransport, M.E.Transport, M.E.T.TransportMailItem.CheckDeliveryPriority, System.InvalidOperationException, 61ca, <version>. ErrorReportingEnabled: False
Note Each Internet e-mail message contains the following two portions:
Event Type: Error Event Source: MSExchangeTransport Event Category: SmtpReceive Event ID: 1033 Description: An exception was thrown while processing data from client IP address <IP address>. The exception is System.InvalidOperationException: We should always have a P2 From or Sender before going to delivery at Microsoft.Exchange.Transport.TransportMailItem.CheckDeliveryPriority() at Microsoft.Exchange.Transport.TransportMailItem.ValidateDeliveryPriority(SmtpResponse& failureResponse) at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.PriorityMessageChecksPass() at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.OnEod(Boolean isAsync) at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.RawDataReceived(Byte data, Int32 offset, Int32 numBytes) at Microsoft.Exchange.Protocols.Smtp.SmtpInSession.ReadComplete(IAsyncResult asyncResult).
To resolve this problem, install Update Rollup 7 for Exchange Server 2007 Service Pack 1.
For more information about Update Rollup 7 for Exchange Server 2007 Service Pack 1, see the following Exchange Help topic:
Description of Update Rollup 7 for Exchange Server 2007 Service Pack 1For more information about how to obtain the latest Exchange service pack or update rollup, see the following Exchange Help topic:
How to Obtain the Latest Service Pack or Update Rollup for Exchange 2007
For more information about priority queuing in Exchange Server 2007 SP1, visit the following Microsoft Web site:
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.
Article ID: 958803 - Last Review: March 18, 2009 - Revision: 1.1