Receive Window Auto-Tuning is a feature in this version of Windows that improves networking performance when you are using newer networking hardware, but the feature might cause problems with older networking hardware. Sometimes, disabling Auto-Tuning might solve your problem.

To disable Auto-Tuning:

  1. Click the Start button

    , and then, in the Search box, type cmd.
  2. Press CTRL+SHIFT+ENTER to run the program as an administrator.

    If you are prompted for an administrator password or confirmation, type the password or provide confirmation.
  3. At the command prompt, type netsh int tcp set global autotuninglevel=disable, and then press Enter.
  4. When the process has finished, restart your computer. If this procedure does not solve the problem, you can turn Auto-Tuning back on by repeating steps a and b of this procedure, typing netsh int tcp set global autotuninglevel=normal, and then pressing Enter.