IR Bus Enumerator (IRENUM) Service Defaults in Windows 10

IR Bus Enumerator.

Default Settings

Startup type:Manual
Display name:IR Bus Enumerator
Service name:IRENUM
Service type:kernel
Error control:ignore
Path:%SystemRoot%\system32\drivers\irenum.sys
Registry key:HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\IRENUM

Default Behavior

IR Bus Enumerator is a kernel device driver. In Windows 10 it is starting only if the user, an application or another service starts it. If IR Bus Enumerator fails to load or initialize, Windows 10 start up proceeds without warnings. However the error details are being logged.

Restore Default Startup Configuration for IR Bus Enumerator

1. Select your Windows 10 edition and release, and then click Download.

2. Save the Win10_IRENUM_Service_Startup.cmd file to a local storage device.

3. Run the saved file as an administrator.

4. Restart the computer.

The IRENUM service is using the irenum.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.