Network Adapter WDF Class Extension Library - Windows 11 Service
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: | Network Adapter WDF Class Extension Library |
| Service name: | NetAdapterCx |
| Type: | kernel |
| Path: | %WinDir%\system32\drivers\netadaptercx.sys |
| Error control: | normal |
Default Behavior
The Network Adapter WDF Class Extension Library service is a kernel mode driver. If Network Adapter WDF Class Extension Library fails to start, the error is logged. Windows 11 startup proceeds, but a message box is displayed informing you that the NetAdapterCx service has failed to start.
Dependencies
Network Adapter WDF Class Extension Library is unable to start, if the NDIS System Driver service is stopped or disabled.
If Network Adapter WDF Class Extension Library is stopped, the following services cannot start:
Restore Default Startup Type for Network Adapter WDF Class Extension Library
Automated Restore
1. Select your Windows 11 edition and release, and then click on the Download button below.
2. Save the RestoreNetworkAdapterWDFClassExtensionLibraryWindows11.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 netadaptercx.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.