Windows Defender Antivirus Network Inspection System Driver (WdNisDrv) Service Defaults in Windows 10

Helps guard against intrusion attempts targeting known and newly discovered vulnerabilities in network protocols.

Default Settings

Startup type:
Windows 10 Home 1507Automatic
Windows 10 Pro 1507Automatic
Windows 10 Education 1507Automatic
Windows 10 Enterprise 1507Automatic
Windows 10 Home 1511Manual
Windows 10 Pro 1511Manual
Windows 10 Education 1511Manual
Windows 10 Enterprise 1511Manual
Windows 10 Home 1607Manual
Windows 10 Pro 1607Manual
Windows 10 Education 1607Manual
Windows 10 Enterprise 1607Manual
Windows 10 Home 1703Manual
Windows 10 Pro 1703Manual
Windows 10 Education 1703Manual
Windows 10 Enterprise 1703Manual
Windows 10 Home 1709Manual
Windows 10 Pro 1709Manual
Windows 10 Education 1709Manual
Windows 10 Enterprise 1709Manual
Display name:Windows Defender Antivirus Network Inspection System Driver
Service name:WdNisDrv
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\Drivers\WdNisDrv.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WdNisDrv

Default Behavior

Windows Defender Antivirus Network Inspection System Driver is a kernel device driver. It is starting automatically when the operating system starts in Windows 10 Home 1507, Windows 10 Pro 1507, Windows 10 Education 1507, Windows 10 Enterprise 1507. This service is starting only if the user, an application or another service starts it in Windows 10 Home 1511, Windows 10 Pro 1511, Windows 10 Education 1511, Windows 10 Enterprise 1511, Windows 10 Home 1607, Windows 10 Pro 1607, Windows 10 Education 1607, Windows 10 Enterprise 1607, Windows 10 Home 1703, Windows 10 Pro 1703, Windows 10 Education 1703, Windows 10 Enterprise 1703, Windows 10 Home 1709, Windows 10 Pro 1709, Windows 10 Education 1709, Windows 10 Enterprise 1709. If Windows Defender Antivirus Network Inspection System Driver fails to start, the failure details are being recorded into Event Log. Then Windows 10 will start up and notify the user that the WdNisDrv service has failed to start due to the error.

Dependencies

Windows Defender Antivirus Network Inspection System Driver cannot be started under any conditions, if the following services are disabled, deleted or working improperly:

While Windows Defender Antivirus Network Inspection System Driver is stopped, disabled or working incorrectly, the Windows Defender Antivirus Network Inspection Service cannot be launched.

Restore Default Startup Configuration for Windows Defender Antivirus Network Inspection System Driver

Before you begin doing this, make sure that all the services on which Windows Defender Antivirus Network Inspection System Driver depends are configured by default and function properly. See the list of dependencies above.

1. Run the Command Prompt as an administrator.

2. Depending on the version of your operating system, copy the commands below, paste them into the command window and press ENTER.

For Windows 10 1507 Home, Windows 10 1507 Pro, Windows 10 1507 Education, Windows 10 1507 Enterprise:
sc config WdNisDrv start= auto
sc start WdNisDrv

For Windows 10 1511 Home, Windows 10 1511 Pro, Windows 10 1511 Education, Windows 10 1511 Enterprise, Windows 10 1607 Home, Windows 10 1607 Pro, Windows 10 1607 Education, Windows 10 1607 Enterprise, Windows 10 1703 Home, Windows 10 1703 Pro, Windows 10 1703 Education, Windows 10 1703 Enterprise, Windows 10 1709 Home, Windows 10 1709 Pro, Windows 10 1709 Education, Windows 10 1709 Enterprise:
sc config WdNisDrv start= demand

3. Close the command window and restart the computer.

The WdNisDrv service is using the WdNisDrv.sys file that is located in the %WinDir%\system32\Drivers folder. If the file is changed, damaged or deleted, you can restore its original version from Windows 10 installation media.