Windows Defender Firewall Authorization Driver - Windows 11 Service
Windows Defender Firewall Authorization Driver is a kernel mode driver that provides deep inspection services on inbound and outbound network traffic.
This service also exists in Windows 10, 7, 8 and Vista.
Startup Type
| Windows 11 version | Home | Pro | Education | Enterprise |
|---|---|---|---|---|
| 21H2 | Manual | Manual | Manual | Manual |
| 22H2 | Manual | Manual | Manual | Manual |
| 23H2 | Manual | Manual | Manual | Manual |
| 24H2 | Manual | Manual | Manual | Manual |
Default Properties
| Display name: | Windows Defender Firewall Authorization Driver |
| Service name: | mpsdrv |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\mpsdrv.sys |
| Error control: | normal |
| Group: | network |
Default Behavior
The Windows Defender Firewall Authorization Driver service is a kernel mode driver. If Windows Defender Firewall Authorization Driver fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the mpsdrv service has failed to start.
Dependencies
If Windows Defender Firewall Authorization Driver is stopped, the Windows Defender Firewall service fails to start and initialize.
Restore Default Startup Type for Windows Defender Firewall Authorization Driver
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsDefenderFirewallAuthorizationDriverWindows11.bat file to any folder on a local drive such as SSD or a hard disk.
3. Right-click the downloaded batch file and select Properties.
4. Check the Unblock checkbox and click OK.
5. Right-click the batch file again and select Run as administrator.
6. Restart the computer to save changes.
Note. Make sure that the mpsdrv.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows 11 installation media.