Windows NAT Driver - Windows 11 Service
This service provides network address translation functionality.
This service also exists in Windows 10.
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 NAT Driver |
| Service name: | WinNat |
| Type: | kernel |
| Path: | %WinDir%\system32\drivers\winnat.sys |
| Error control: | normal |
Default Behavior
The Windows NAT Driver service is a kernel mode driver. If Windows NAT Driver fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the WinNat service has failed to start.
Dependencies
Windows NAT Driver is unable to start, if the TCP/IP Protocol Driver service is stopped or disabled.
Restore Default Startup Type for Windows NAT Driver
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreWindowsNATDriverWindows11.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 winnat.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.