This document explains how to turn off TCP Offloading that couses intermittent dropped connections, missing traffic in network traces.
1a. Turn off TCP Chimney if any of the machines are Windows 2003
Option 1) Bring up a command prompt and execute the following: Netsh int ip set chimney DISABLED
Option 2) Apply the Scalable Networking Patch
1b. Confirm that TCP Chimney is turned off if any of the machines are Windows 2008
a) bring up a command prompt and execute the following: netsh int tcp show global
b) if it turns out TCP Chimney is on disable it: netsh int tcp set global chimney=disabled
2. Turn of TCP Offloading/Receive Side-Scaling/TCP Large Send Offload at the NIC driver level
3. Retry your application.
Click here for more information about ''Update to turn off SNP features for Windows Server 2003 and Windows SBS 2003''
Click here for more information about ''Information about the TCP Chimney Offload, Receive Side Scaling, and Network Direct Memory Access features in Windows Server 2008''