Windows Defender Firewall - Windows 10 Service
Windows Defender Firewall helps protect your computer by preventing unauthorized users from gaining access to your computer through the Internet or a network.
This service also exists in Windows 11, 8 and Vista.
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: | Windows Defender Firewall |
| Service name: | mpssvc |
| Type: | share |
| Path: | %WinDir%\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p |
| File: | %WinDir%\system32\mpssvc.dll |
| Error control: | normal |
| Group: | NetworkProvider |
| Object: | NT Authority\LocalService |
| Privileges: |
|
Default Behavior
The Windows Defender Firewall service is running as NT Authority\LocalService in a shared process of svchost.exe. Other services might run in the same process. If Windows Defender Firewall fails to start, the error is logged. Windows 10 startup proceeds, but a message box is displayed informing you that the mpssvc service has failed to start.
Dependencies
Windows Defender Firewall is unable to start, if at least one of the following services is stopped or disabled:
Restore Default Startup Type of Windows Defender Firewall
Automated Restore
1. Select your Windows 10 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsDefenderFirewallWindows10.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 mpssvc.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows 10 installation media.