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sbs2011 server losing e-mail reception

Posted on 2013-01-18
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Last Modified: 2013-03-06
We have a single SBS2011 server running exchange. Every few weeks we seem to lose our e-mail reception.

A restart does not resolve this consistently, but when we restart the transport service from within task manager, it resolves the problem straight away.

We cannot restart the transport service from the services console, as it reports that it has not responded in a timely fashion. The restart from within Task Manager is the only thing that kills it.

Does anyone have any suggestions what we can do to prevent this from happening, as we dont always notice straight away that our e-mail has stopped working.

We have AVG E-mail server edition running.

Any suggestions gratefully received.

Many thanks.
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Question by:nigelbeatson
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by:
Sushil Sonawane earned 500 total points
ID: 38793115
Make sure your exchange installation folder and hub transport queue path is excluded in antivirus scan.

Check the windows server and exchange server updated with latest service pack.
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Author Comment

by:nigelbeatson
ID: 38813768
Thankyou.

Sorry for the late response but I am not at this site frequently.

OK I understand about the Exchange folder, but where is the transport queue folder? We have a standard SBS2011 install.

Many thanks.
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Author Comment

by:nigelbeatson
ID: 38814011
I also noticed this event around the time the mail stopped arriving.

The transport process failed during message processing with the following call stack: Microsoft.Exchange.Data.Mime.MimeException: MIME content error: MIME map data is invalid (1).
   at Microsoft.Exchange.Data.Mime.Internal.MimeCacheMap.Load(Stream cacheStream, CreateFixedStream createFixedStream, DecodingOptions decodingOptions)
   at Microsoft.Exchange.Transport.MimeCache.LoadFromCursor(DataTableCursor cursor)
   at Microsoft.Exchange.Transport.MimeCache.DeferredLoad()
   at Microsoft.Exchange.Transport.MimeCache.get_MimeDocument()
   at Microsoft.Exchange.Transport.TransportMailItem.get_RootPart()
   at Microsoft.Exchange.Transport.DsnGenerator.InternalGenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable recipientList, DsnFlags dsnFlags, String remoteMta)
   at Microsoft.Exchange.Transport.DsnGenerator.GenerateDSNs(IReadOnlyMailItem mailItem, IEnumerable`1 recipientList, String remoteServer, CallerComponent callerComponent)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleFailedMessage(TransportMailItem transportMailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.BifurcateAndHandleFailedMessage(TransportMailItem mailItem, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.CategorizerComponent.HandleComponentException(Exception e, TaskContext taskContext)
   at Microsoft.Exchange.Transport.Categorizer.TaskContext.Invoke()
   at Microsoft.Exchange.Transport.Categorizer.CatScheduler.JobThreadEntry(Object ignored)
   at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
   at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)

Does this help??

Thanks.
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Author Comment

by:nigelbeatson
ID: 38888486
I have identified that a service pack may be required for exchange 2010 and an upgrade on the avg to 2013. I will do this and update with any progress.
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Author Comment

by:nigelbeatson
ID: 38957392
SP3 resolved our issue. Thanks to all
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Author Closing Comment

by:nigelbeatson
ID: 38957393
Although this was not the solution to our problem, I appreciate the help.
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