How To Disable Auto Tuning In Windows 10

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Besides getting a speedy processor and as much RAM as you can afford, a Solid State Drive (SSD) also plays a very important role in making your PC fast. However, an SSD will stay on it best performance and last longer only if it's properly maintained.

TRIM is an ATA command set that was originally designed for the purpose of keeping a Solid State Drive at its optimal performance throughout its lifespan.

Aug 05, 2016  Run the following command to disable Window Auto-Tuning on Windows 10: netsh int tcp set global autotuninglevel=disabled You get ok as verification that the value was set correctly. You may verify this by running netsh interface tcp show global again. Jul 05, 2017  Windows 8 and 10 also automatically disable the SuperFetch service for speedy solid-state drives. Leave SuperFetch “on” in Windows 10 and it will automatically enable itself for slower mechanical drives and disable itself for fast SSDs. You don’t need to tweak this by hand–Windows 10. Open elevated command prompt with administrator’s privileges. Type the following command and press Enter: netsh interface tcp set global autotuning=normal.

The TRIM feature allows Windows 10, or any supported operating system, to notify an SSD which blocks of data are no longer in use and can be safely wiped out to be writable again. Having this operation done ahead of time improves performance, as the drive won't have to spend time erasing a particular block when space is needed to store new data, ensuring the SSD reaches its advertised lifespan.

While the operating system should properly detect and enable TRIM automatically, sometimes this may not happen. In this Windows 10 guide, we'll show you the commands to make sure TRIM is configured and how to enable it when it's not.

How to check TRIM is enabled in your Windows 10 PC

Making sure that TRIM is enabled on Windows 10, you only need to use a command using the Command Prompt with administrator privileges.

  1. Use the Windows key + X keyboard shortcut to open the Power User menu and select Command Prompt (Admin).

  2. Type the following command and press Enter:

    fsutil behavior query DisableDeleteNotify

Explanation: If after executing the fsutil command with the DisableDeleteNotify you get a result of zero (0), then it means that TRIM is enabled, and no further action is required. However, if after running the command you see a result of one (1), then it means that TRIM is disabled.

How to enable TRIM on your Windows 10 PC

When TRIM isn't enabled on Windows 10, you need to do the following:

  1. Use the Windows key + X keyboard shortcut to open the Power User menu and select Command Prompt (Admin).

  2. Type the following command and press Enter:

    fsutil behavior set DisableDeleteNotify 0

After running the command, you will notice the same DisableDeleteNotify = 0, which indicates that the feature is enabled.

How to disable TRIM

If at any time for any reason you need to disable TRIM, you need to do the following:

  1. Use the Windows key + X keyboard shortcut to open the Power User menu and select Command Prompt (Admin).

  2. Type the following command and press Enter:

    fsutil behavior set DisableDeleteNotify 1

For TRIM to work, both the operating system and the Solid State Drive must support the feature, and it must be enabled in the operating system.

While we're focusing the guide for Windows 10, you can use the same commands on Windows 7 and Windows 8.x.

Was TRIM enabled on your computer? Let us know in the comments below.

Windows 10 resources

Windows 10 Network Tuning

For more tips, coverage, and answers on Windows 10, you can visit the following resources:

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How To Disable Auto Tuning In Windows 10 1

I am uncertain about the more modern Windows OS like 8.1 and Server 2012. However, auto-tuning did not work correctly in Windows 7 and Server 2008 R2. One of the biggest symptoms was that GUI-based copy/paste between Windows 7 workstations and Server 2008 R2 servers would fail or creep along very slowly (think of copying a file to the company share or your home drive). Disabling auto-tuning, receive-side scaling, and heuristics almost eliminated the issue for me. If your environment consists of these particular operating systems, then you will want to disable auto-tuning, receive side scaling, and heuristics on both the workstations and servers. There is a hotfix but it may be just as easy to either script it or do it manually.

It is an easy fix and won't interrupt production.

Disable Windows Auto Tuning

EDIT: Has to be done with elevated privileges.