for Windows 10 update anniversary, the major update feature to Windows 10, comes with a feature called TCP / IP Auto-Tuning reception window which is enabled by default. This feature is designed to improve the performance of applications that receive TCP packets on a network. Under certain conditions, this function can reduce your Internet speed. Here's how to check if you are affected by this problem and fix it if necessary.
The automatic reception function of the Tuning window was introduced in Windows Vista. There, it was not enabled by default. In Windows 10 Update birthday, he allowed the box to manage your network data transfer. Although it should serve most users and in some cases it may reduce your network performance.
To check the status of the receive window auto-tuning, you can do the following.
- Open an elevated command prompt
- Type or paste the following command :.
netsh interface tcp show global
- In the command output, look for the line "Receive Window Auto-Tuning Level." If the value says " normal ", this means that the function is activated. If your internet speed is particularly slow, then you can try to disable the
- To disable the receive window auto-tuning , type the following command :.
netsh int tcp set global autotuninglevel = OFF
After that, test your Internet speed. If you have been affected by the incorrect behavior of the function, you should get improved network performance (thank you Martin ).
- If the performance of your network does not change or becomes worse, you can re-activate the automatic reception of the setting window by typing the following command:
netsh int tcp set global autotuninglevel = normal
There. In the comments, tell us if you got your Internet speed improved by changing the mentioned option or it has no effect on your configuration?
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