NDR message to excess message size

Hi ,

I have two hub transport server & I am getting NDR message for Excess size limit from one of the Server, attached below error message

Final-Recipient: rfc822;padas6@abc.com
Action: failed
Status: 5.0.0 (permanent failure)
Remote-MTA: dns; [10.100.23.51]
Diagnostic-Code: smtp; 5.1.0 - Unknown address error 552-'5.3.4 Message size exceeds fixed maximum message size' (delivery attempts: 0)

I have checked all the messgae size setting in global & receive connector settings.

Please help us to reolve the issue.
padas6Asked:
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GeodashCommented:
Have you increased the message header size as well?
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GeodashCommented:
Set-ReceiveConnector MaxHeaderSize Exchange 2007 RTM and Exchange 2007 SP1 64 KB

http://social.technet.microsoft.com/Forums/en-US/exchangesvradmin/thread/57d926f5-c80d-4daa-8b3b-2a21f4781c25

You may have to increase the message header size limit too. This was happening to a client of mine and this resolved their issue
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padas6Author Commented:
Hi Geodash,

Soory for delay response.

I have check both of my Hub Transport Server & it is defined message header size 64KB in both the Server, although I have increase it 200KB for my problemtic node.

Let see the effect tomorrow.
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padas6Author Commented:
only for the Default Receive connector.
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padas6Author Commented:
Hi

Even after change the message header size form 64 to 200 KB same result.

The following message to <padas6@abc.com> was undeliverable.
The reason for the problem:
5.1.0 - Unknown address error 552-'5.3.4 Message size exceeds fixed maximum message size'

Final-Recipient: rfc822;padas6@abc.com
Action: failed
Status: 5.0.0 (permanent failure)
Remote-MTA: dns; [10.100.23.51]
Diagnostic-Code: smtp; 5.1.0 - Unknown address error 552-'5.3.4 Message size exceeds fixed maximum message size' (delivery attempts: 0)
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GeodashCommented:
did you restart the transport service?
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padas6Author Commented:
The transport Service was off & start the Service after configuration changes.

Do I restsrt once again.
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GeodashCommented:
I know when i changed the settings, it was not instant. But I do not remember if I restarted the exchange services or bounced the server.
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padas6Author Commented:
I have restsrted the Services & tested two mails , one is through & another is blocked, may be through one is passing through the another server or not.

NDR message is shows the faulty Server only.
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padas6Author Commented:
Thanks for the guideline, it workes for my setup as well.
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