IR Bus Enumerator (IRENUM) Service Defaults in Windows 8

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

The IR Bus Enumerator service is a kernel device driver. In Windows 8 it will not be started until the user starts it. If IR Bus Enumerator fails to load or initialize, Windows 8 startup proceeds. The error details should be added to Event Log without notifying the user.

Restore Default Startup Configuration for IR Bus Enumerator

1. Select your Windows 8 edition and update pack, and then click Download.

2. Save the Win8_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 corrupted or deleted, you can put it back in there.