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Boost Your Internet Speed by Disabling Windows 10’s Auto-Tuning Feature

Paul Balo by Paul Balo
August 9, 2016
in Tips
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Did you know that a feature in your Windows 10 could be tempering your internet speed? It’s a well-intentioned feature native to Windows that optimizes TCP connections, yet perhaps slightly misunderstood, and it is something you can manage. Introduced in Vista and present in all versions leading up to Windows 10, this feature, known as Window Auto-Tuning, is designed to increase the performance of programs that receive TCP (Transmission Control Protocol – a protocol for transmitting data with confirmed delivery) data over a network.

Microsoft explicates that enabling Receive Window Auto-Tuning can lead to increased efficiency of data transfers over the network. However, when utilizing an older router or firewall that doesn’t support this feature, that’s where things start to get tricky. You may then encounter slowed data transfers or even a complete loss of connectivity in certain cases. Microsoft gave an instance where the HTTP traffic might slow down when applications in Microsoft Office SharePoint Server are accessed using Windows Internet Explorer due to certain routers’ incapability to support the Receive Window Auto-Tuning feature.

The Auto-Tuning feature keeps track of routing conditions like bandwidth (the data size your ISP provides you with at home or in the office). It adapts the receive window size of the ongoing transmission to take full advantage of any available bandwidth. While this can be quite beneficial in larger network scenarios, disabling it gives you unrestricted access to available bandwidth, which in turn aims to boost your network speed. By default, this feature is set to “normal” on your Windows 10.

In case you’ve been contemplating disabling this function, we’re here to help. While Microsoft support provides a method, there is a potentially easier way detailed on Ghacks, which provides a more user-friendly tutorial. We will provide you with a brief run-through.

Firstly, tap on the Windows-key, type cmd.exe, then hold down the Shift and Ctrl keys, hit enter, and confirm the UAC prompt that appears. Run the command netsh interface tcp show global. Here, look for the “Receive Window Auto-Tuning Level” value under TCP Global Parameters. If it isn’t set to disabled, it is then utilized by Windows to optimize TCP connections.

For those who think this could be the culprit behind their limited internet speed, consider carrying out connection tests after temporarily disabling this feature. The command to disable Window Auto-Tuning on Windows 10 is: netsh int tcp set global autotuninglevel=disabled. Once completed, you’ll see an ‘ok’ as confirmation that the value was correctly set. Run the command netsh interface tcp show global again to verify the change.

Before you try tampering with this setting, whip out your stopwatch and track your internet speed before and after the experiment. While the difference might not be very noticeable for everyone, some internet users have noticed significant improvements. Unofficial reports suggest some users experienced an up to ten times increase in their network speed while others gained a small boost, going from 10Mbps before to 12Mbps afterward. These results, however, are personal observations and do vary greatly.

To conclude, this tweak doesn’t require coding, just some simple commands in the command prompt. Give it a shot and let us know if you saw any significant increase in your internet speed. Remember, reverting to the default setting is as easy as disabling it.

For testing your internet speed, highly reliable tools like Xfinity Speed Test, fast.com, and testmy.net are available latest there’s a couple of tools with which you can test internet speed like.

[Image credit: YouTube]

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Tags: how tointernetmicrosoftresearchWindow Auto-Tuningwindowswindows 10
Paul Balo

Paul Balo

Paul Balo is the founder of TechBooky and a highly skilled wireless communications professional with a strong background in cloud computing, offering extensive experience in designing, implementing, and managing wireless communication systems.

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