Web server connection to SQL Server: Response Packet [Malformed Packet]

Posted by John Murdoch on Server Fault See other posts from Server Fault or by John Murdoch
Published on 2009-11-13T15:20:41Z Indexed on 2010/03/22 13:01 UTC
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windows-server-2003

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sql-server-2008

I am seeing very, very sluggish performance between my web server (which handles HTTP web services connections) and a separate server running Microsoft SQL Server 2008. I have been capturing packet traffic on the web server trying to understand why things are running so slowly. I am using Wireshark to capture the packet traffic.

The apparent problem is that the web server is sending TDS packets to the data server--each packet followed by a response from the data server with

Response Packet [Malformed Packet]

in the Info field. The packet sent from the web server appears to have an invalid checksum.

Has anyone seen this type of problem before? Any ideas?

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