Disable TCP/IP auto-tuning

If you're encountering certain issues with your online games and applications (MSN Messenger, Skype...etc) under Vista, you can try to disable the TCP/IP auto-tuning to improve the network performance.

• Simply open a command prompt in administrator mode
• Start>type "CMD" in the Search Bar and press CTRL+SHIFT+ENTER.
• Then simply type the following command:

  • netsh interface tcp set global autotuning=disabled

• Reboot your PC.
• To enable this option again, use the folloeing command:

  • netsh interface tcp set global autotuningl=normal