Windows Network Data Usage Monitoring Driver (Ndu) Service Defaults in Windows 11

This service provides network data usage monitoring functionality.

Default Settings

Startup type: Automatic
Display name:Windows Network Data Usage Monitoring Driver
Service name:Ndu
Service type:kernel
Error control:normal
Path:%SystemRoot%\system32\drivers\Ndu.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\Ndu

Default Behavior

Windows Network Data Usage Monitoring Driver is a kernel driver. In Windows 11 it starts automatically during the operating system startup. If Windows Network Data Usage Monitoring Driver fails to start, the failure details will be recorded into Event Log. Then Windows 11 should boot up and notify the user about the Ndu service startup failure.

Dependencies

Windows Network Data Usage Monitoring Driver cannot be started, if the TCP/IP Protocol Driver service won't start.

Restore Default Startup Configuration of Windows Network Data Usage Monitoring Driver

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

1. Run the Command Prompt as an administrator.

2. Copy the commands below, paste them into the command window and press ENTER:

sc config Ndu start= auto
sc start Ndu

3. Close the command window and restart the computer.

The Ndu service is using the Ndu.sys file that is located in the C:\Windows\system32\drivers directory. If the file is removed or corrupted, read this article to restore its original version from Windows 11 installation media.