Vista - Disable TCP/IP auto-tuning

October 2016

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

Related :

This document entitled « Vista - Disable TCP/IP auto-tuning » from CCM ( is made available under the Creative Commons license. You can copy, modify copies of this page, under the conditions stipulated by the license, as this note appears clearly.