How to Enforce Disk Quota Limits in Windows 10

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NTFS is the standard file system of the Windows NT operating system family. It supports disk quotas, that help administrators track and control disk space usage by users. Today, we will see how to enforce disk quota limits.

The NTFS file system allows administrators to control the amount of data that each user can store on an NTFS file system volume. Administrators can optionally configure the system to log an event when users are near their quota, and to deny further disk space to users who exceed their quota. Administrators can also generate reports, and use the event monitor to track quota issues.

The disk quota limits can be forced for all drives. This can be done with a special Group Policy. Once you activate it, users will not be able to turn off or on the option Deny disk space to users exceeding quota limit using the GUI options described in the article How To Enable Disk Quotas In Windows 10.

This can be done with a special Group Policy option. Users of Windows 10 Pro, Education, and Enterprise editions can configure it using the Local Group Policy Editor app. Users of other editions can apply a Registry tweak. Let's review these methods.

To Enforce Disk Quota Limits in Windows 10,

  1. Open Registry Editor.
  2. Go to the following Registry key:
    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows NT\DiskQuota

    Tip: See how to jump to the desired Registry key with one click.

    If you do not have such a key, then just create it.

  3. Here, create a new 32-bit DWORD value EnforceNote: Even if you are running 64-bit Windows, you still need to use a 32-bit DWORD as the value type.
    Set it to 1 to enforce disk quota limits for all drives.
  4. Restart Windows 10 to apply the restriction, and you are done.

You are done.

Tip: You can apply the changes without restarting the OS. See Force Update Group Policy Settings in Windows 10 Manually.

To undo the change, remove the Enforce DWORD value you created and restart the OS.

If you are running Windows 10 Pro, Enterprise, or Education edition, you can use the Local Group Policy Editor app (gpedit.msc) to configure the options mentioned above with a GUI.

Enforce Disk Quota Limits in Windows 10 with gpedit.msc

  1. Press Win + R keys together on your keyboard and type:
    gpedit.msc

    Press Enter.

  2. Group Policy Editor will open. Go to Computer Configuration\Administrative Templates\System\Disk Quotas. Enable the policy option Enforce disk quota limit.
  3. Restart Windows 10.

That's it.

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Author: Sergey Tkachenko

Sergey Tkachenko is a software developer who started Winaero back in 2011. On this blog, Sergey is writing about everything connected to Microsoft, Windows and popular software. Follow him on Telegram, Twitter, and YouTube.

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