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sbs2011 server, transport service, AVG and poison messages.

Posted on 2013-06-19
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Last Modified: 2013-06-24
We have a single Microsoft SBS2011 server, running exchange, which is protected by AVG 2013.

We have an ongoing issue where mail stops arriving at our clients. There seems to  be no events in the log, but we find if we restart the transport service, the problem is resolved immediately

Sometimes, we have to kill the service in the taskmanager, as when we try to stop or restart the service from the service manager console, the error denotes that it did not respond in a timely fasion.

In addition to this, sometimes, (not always) we note that there are poison massages in the exchange queue, and creating a new queue folder structure, resolves this too.

The reason I mention this is that I have read that if exchange receives posion messages, it does lock out the transport service, which is exactly our symptom. This is supposed to be a feature?? But its rather unsatisfactory if it is not drawn to anyones attention.

The frustration is that we dont know that the trnsport service has stopped working until it is obvious that no mail has arrived for an unreasonable period of time.

We removed AVG, and installed CalmAV, and it did not happen at all. Put AVG back on and the same problem arises. It only happens every few days, but it is very frustrating, and we would like to resolve it.

I have installed all of the latest service packs on the server, AVG is upto date, so I am a little lost now, as to what to do next.

Can anyone advise on how we can go about resolving this??

Many thanks.
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Question by:nigelbeatson
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Accepted Solution

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Haresh Nikumbh earned 500 total points
ID: 39259186
Use the Disable-Transportagent cmdlet to disable AVG 2012 Antispam transport agent  , AVG 2012 Antivirus SMTP transport agent and AVG 2012 Antivirus routing transport agent   .
Restart the exchange transport service

refer below link same problem reported

http://social.technet.microsoft.com/Forums/en-US/de1e24a8-dd2c-4222-ac76-fbfe00cd7ca5/transport-service-keeps-freezing-possible-poisonmessage-issue
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Author Comment

by:nigelbeatson
ID: 39259267
OK thanks.

What is the format of the disable-transportagent command within powershell?

many thanks.
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LVL 22

Expert Comment

by:Haresh Nikumbh
ID: 39259276
This example shows how a fictitious antivirus application is disabled on an Edge Transport server or a Hub Transport server.

Disable-TransportAgent -Identity "Antivirus for Exchange"

http://technet.microsoft.com/en-us/library/aa997880%28v=exchg.141%29.aspx

http://technet.microsoft.com/en-us/library/aa997880%28v=exchg.80%29.aspx
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Author Closing Comment

by:nigelbeatson
ID: 39271299
many thanks. now resolved.
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LVL 22

Expert Comment

by:Haresh Nikumbh
ID: 39271310
Good 2 know it fixed
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