Storage QoS Filter Driver - Windows 10 Service
Provides Quality of Service for storage I/O traffic.
This service also exists in Windows 11.
Startup Type
| Windows 10 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 1507 | Automatic | Automatic | Automatic | Automatic |
| 1511 | Automatic | Automatic | Automatic | Automatic |
| 1607 | Automatic | Automatic | Automatic | Automatic |
| 1703 | Automatic | Automatic | Automatic | Automatic |
| 1709 | Automatic | Automatic | Automatic | Automatic |
| 1803 | Automatic | Automatic | Automatic | Automatic |
| 1809 | Automatic | Automatic | Automatic | Automatic |
| 1903 | Automatic | Automatic | Automatic | Automatic |
| 1909 | Automatic | Automatic | Automatic | Automatic |
| 2004 | Automatic | Automatic | Automatic | Automatic |
| 20H2 | Automatic | Automatic | Automatic | Automatic |
| 21H1 | Automatic | Automatic | Automatic | Automatic |
| 21H2 | Automatic | Automatic | Automatic | Automatic |
| 22H2 | Automatic | Automatic | Automatic | Automatic |
Default Properties
| Display name: | Storage QoS Filter Driver |
| Service name: | storqosflt |
| Type: | filesys |
| Path: | %WinDir%\system32\drivers\storqosflt.sys |
| Error control: | normal |
| Group: | FSFilter Quota Management |
Default Behavior
The Storage QoS Filter Driver service is a file system driver. If Storage QoS Filter Driver fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the storqosflt service has failed to start.
Dependencies
Storage QoS Filter Driver is unable to start, if the FltMgr service is stopped or disabled.
Restore Default Startup Type of Storage QoS Filter Driver
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreStorageQoSFilterDriverWindows10.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the storqosflt.sys file exists in the %WinDir%\system32\drivers folder. If this file is missing you can try to restore it from your Windows 10 installation media.