Window Auto-Tuning feature is said to improve the performance for programs that receive TCP data over a network. It is nothing new. It was introduced in Windows Vista and is present in Windows 10 too. In today’s Internet, the range of latencies & throughput speeds is just too large to manage statically. It needs to be adjusted dynamically. Windows 10 will dynamically adjust the receive buffer size to the throughput and latency of the link, using this feature.

Disable Auto Tuning

Can anyone tell me why Windows Auto-Tuning feature was disabled by default? Unsolved I know for a fact that I didn't disable that setting at any given point, and after I re-enabled it my download speeds over ethernet went from 40 mbps up to 350 mbps. Aug 12, 2017 #Method 2 – Disable Windows Auto-Tuning Feature. By default, window Auto- tuning is enabled which improves the performance for programs by receiving TCP data over a network. So when the window “Auto-Tuning” feature is ON it hits the speed of the internet. So you can disable this feature in order to fix W indows 10 Slow Internet. Jan 20, 2019  How to Enable / Disable auto tuning Feature in windows 10 January 20, 2019 By Admin Windows 10 have an auto-tuning feature which tries to dynamically adjust the receive buffer size for transmission and latency of the link. How Windows is Killing Internet Download Speeds How to dramatically improve your speed. Disable 'Window Scaling heuristics' to. It is very clear that when Windows was asked to display the current 'Receive Window Auto-Tuning Level' and Windows said 'normal' and claimed that 'is the result of Windows Scaling heuristics overriding any local. Mar 26, 2014 Disable Windows TCP auto-tuning feature in Windows Vista/7/8. First you will have to make sure that the problem is caused by a network hardware device that does not.

Disable Windows Auto-tuning Feature Free

Programs like Automatic Updates, Windows Update, Remote Desktop Connection, Windows Explorer for network file copy, etc, use WinHTTP or Windows HTTP Services.

Window Auto-Tuning feature is enabled by default in Windows 10 and makes data transfers over networks more efficient. But if your network uses an old router or your firewall software does not support this feature, then you may experience slow data transfers or even loss of connectivity.

To check the status of Auto-Tuning feature on your system, in an elevated command prompt windows, type the following and hit Enter:

Disable Auto-tuning Feature Of Windows 10

If you see ‘normal’ written against Receive Window Auto-Tuning Level, it means that the feature is enabled and it is working fine.

To disable Windows AutoTuning, run the following command:

To enable Windows AutoTuning, run the following command:

You can also tweak the Windows Registry, says KB947239. To enable the Receive Window Auto-Tuning feature for HTTP traffic, Run regedit and navigate to the following registry subkey:

HKEY_LOCAL_MACHINESoftwareMicrosoftWindowsCurrentVersionInternet SettingsWinHttp

Disable Windows Auto-tuning Feature In Windows 10

Right-click on it > New > DWORD Value. Type TcpAutotuning and give it a vale of 1.

Click OK and exit.

Disable Windows Auto-tuning Feature System

To disable Receive Window Auto-Tuning feature for HTTP traffic, give it a value of 0 or delete the created TcpAutotuning DWORD.

How To Disable Windows Auto Tuning

The Receive Window Auto-Tuning feature lets the operating system continually monitor routing conditions such as bandwidth, network delay, and application delay. Therefore, the operating system can configure connections by scaling the TCP receive window to maximize the network performance. To determine the optimal receive window size, the Receive Window Auto-Tuning feature measures the products that delay bandwidth and the application retrieve rates. Then, the Receive Window Auto-Tuning feature adapts the receive window size of the ongoing transmission to take advantage of any unused bandwidth.

Let the default settings of Window Auto-Tuning feature be enabled. If your network uses an old router or your firewall software does not support this feature, and you are experiencing poor or no connectivity issues, only then may you disable this feature and see if it works in your favor.