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tb186k -> Event ID 3005 non-delivery message (14.Aug.2006 11:01:06 PM)
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Have two Exchange 2003 Front End servers, both generating constant Event ID 3005 NDR errors in the Application log, filling up the logs. Error Message reads: "A non-delivery report with a status code of 4.4.6 was generated for recipient. Cause: The maximum hop count was exceeded for this message. this non-delivery report can also be caused if a looping condition exists between sending and receiving servers that are not in the same Exchange organization. In this situation, the message bounces back and forth until the nop count is exceeded. A configuration error in the e-mail system can also cause the message to bounce between two servers or to be forwarded between two recipients. Solution: The maximum hop count is property set on each virtual server and you can manually override it. The default maximum hop count is 15. Also, check for any situations that might cause loops between servers" Hop count on our servers are set to 30. Any help on what could be causing this would be appreciated. Microsoft's website has not been much help identifying how to resolve this. Thanks TB186k
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