Windows Defender Network Inspection System Driver - Windows 8 Service
Helps guard against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols.
This service also exists in Windows 10 and 11.
Startup Type
| Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
|---|---|---|---|
| Core | not exists | Manual | Manual |
| Pro | not exists | Manual | Manual |
| Enterprise | not exists | Manual | Manual |
Default Properties
| Display name: | Windows Defender Network Inspection System Driver |
| Service name: | WdNisDrv |
| Type: | kernel |
| Path: | %WinDir%\system32\Drivers\WdNisDrv.sys |
| Error control: | normal |
Default Behavior
The Windows Defender Network Inspection System Driver service is a kernel mode driver. If Windows Defender Network Inspection System Driver fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the WdNisDrv service has failed to start.
Dependencies
Windows Defender Network Inspection System Driver won't start, if the following services are stopped or disabled:
If Windows Defender Network Inspection System Driver is stopped, the Windows Defender Network Inspection Service fails to start and initialize.
Restore Default Startup Type of Windows Defender Network Inspection System Driver
Automated Restore
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreWindowsDefenderNetworkInspectionSystemDriverWindows8.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.
Note. Make sure that the WdNisDrv.sys file exists in the %WinDir%\system32\Drivers folder. If this file is missing you can try to restore it from your Windows 8 installation media.