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

Question

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?

Solution

Another possible cause for this is TCP chimneying. Try disabling on both the client and the server (one at a time of course) and see if that addresses the issue