HOW DO I ADJUST THE AUTO TUNING FOR TCP CONNECTIONS IN VISTA?

First bring up a command prompt by click on “Start” type “cmd” and press enter.

To disable auto tuning in Vista:-
netsh interface tcp set global autotuning=disabled

To verify that it is disabled type:-
netsh interface tcp show global

To set back to the default Windows Vista behaviour type:-
netsh interface tcp set global autotuning=normal