Windows Firewall Authorization Driver - Windows Vista Service
Windows 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, 11, 7 and 8.
Startup Type
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | Manual | Manual | Manual |
| Home Basic | Manual | Manual | Manual |
| Home Premium | Manual | Manual | Manual |
| Business | Manual | Manual | Manual |
| Ultimate | Manual | Manual | Manual |
Default Properties
| Display name: | Windows Firewall Authorization Driver |
| Service name: | mpsdrv |
| Type: | kernel |
| Path: | %WinDir%\System32\drivers\mpsdrv.sys |
| Error control: | normal |
| Group: | network |
Default Behavior
The Windows Firewall Authorization Driver service is a kernel mode driver. If Windows Firewall Authorization Driver fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the mpsdrv service has failed to start. At least one service depends on Windows Firewall Authorization Driver. Therefore I do not recommend you to disable it.
Dependencies
If Windows Firewall Authorization Driver is stopped, the Windows Firewall fails to start and initialize.
Restore Default Startup Type of Windows Firewall Authorization Driver
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreWindowsFirewallAuthorizationDriverWindowsVista.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 mpsdrv.sys file exists in the %WinDir%\System32\drivers folder. If this file is missing you can try to restore it from your Windows Vista installation media.