EdgeTransport.exe process repeatedly crashes on an Exchange Server 2010 server

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Article ID: 2709935 - View products that this article applies to.
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On a Microsoft Exchange Server 2010 server, the EdgeTransport.exe process repeatedly crashes and the following events are logged in the Application log:
Log Name: Application
Source: MSExchangeTransport
Date: Date
Event ID: 10003
Task Category: PoisonMessage
Level: Error
Keywords: Classic
User: N/A
Computer: Computer
The transport process failed during message processing with the following call stack: System.InvalidOperationException: Capabilities property is accessed in STARTTLS mode before DetermineTlsDomainCapabilities() is invoked
at Microsoft.Exchange.Protocols.Smtp.SmtpInSession.get_Capabilities()
at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.SetOorg()
at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.ParserEndOfHeadersCallback(MimePart part, Boolean& stopLoading)
at Microsoft.Exchange.Data.Mime.MimeDocument.EndPartHeaders()
at Microsoft.Exchange.Data.Mime.MimeDocument.BuildDom(Byte[] buffer, Int32 offset, Int32 length, Boolean eof)
at Microsoft.Exchange.Data.Mime.MimeDocument.Write(Byte[] buffer, Int32 offset, Int32 count)
at Microsoft.Exchange.Data.Mime.MimeDocument.PushStream.Write(Byte[] buffer, Int32 offset, Int32 count)
at Microsoft.Exchange.Protocols.Smtp.SmtpInParser.Write(Byte[] data, Int32 offset, Int32 count)
at Microsoft.Exchange.Protocols.Smtp.SmtpInDataParser.ParseAndWrite(Byte[] data, Int32 offset, Int32 numBytes, Int32& numBytesConsumed)
at Microsoft.Exchange.Protocols.Smtp.BaseDataSmtpCommand.RawDataReceived(Byte[] data, Int32 offset, Int32 numBytes)
at Microsoft.Exchange.Protocols.Smtp.SmtpInSession.ReadComplete(IAsyncResult asyncResult)
at Microsoft.Exchange.Net.LazyAsyncResult.Complete(IntPtr userToken)
at Microsoft.Exchange.Net.NetworkConnection.InvokeRecvCallback(LazyAsyncResultWithTimeout asyncResult, Object result)
at Microsoft.Exchange.Net.NetworkConnection.ReadDataAvailable(IAsyncResult asyncResult)
at System.Net.LazyAsyncResult.Complete(IntPtr userToken)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Net.ContextAwareResult.Complete(IntPtr userToken)
at System.Net.LazyAsyncResult.ProtectedInvokeCallback(Object result, IntPtr userToken)
at System.Net.Sockets.BaseOverlappedAsyncResult.CompletionPortCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* nativeOverlapped)
at System.Threading._IOCompletionCallback.PerformIOCompletionCallback(UInt32 errorCode, UInt32 numBytes, NativeOverlapped* pOVERLAP)

Log Name: Application
Source: MSExchange Common
Date: Date
Event ID: 4999
Task Category: General
Level: Error
Keywords: Classic
User: N/A
Computer: Computer
Watson report about to be sent for process id: Process ID, with parameters: E12, Build Type, Version, edgetransport, M.Exchange.Transport, M.E.P.S.SmtpInSession.get_Capabilities, System.InvalidOperationException, XXXX, Version.
ErrorReportingEnabled: False


This issue occurs because an InvalidOperationException exception occurs when the EdgeTransport.exe process handles email messages.


To resolve this issue, install the following update rollup:
2706690 Description of Update Rollup 4 for Exchange Server 2010 Service Pack 2


Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.


Article ID: 2709935 - Last Review: August 14, 2012 - Revision: 2.0
Applies to
  • Microsoft Exchange Server 2010 Service Pack 2, when used with:
    • Microsoft Exchange Server 2010 Enterprise
    • Microsoft Exchange Server 2010 Standard
kbqfe kbfix kbsurveynew kbexpertiseinter KB2709935

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