What is "Multimedia Class Scheduler" in my Windows XP service list? And how is "Multimedia Class Scheduler" service related to MMCSS.dll?

"Multimedia Class Scheduler" is a Windows XP service that "Enables relative prioritization of work based on system-wide task priorities. This is intended mainly for multimedia applications. If this service is stopped, individual tasks resort to their default priority." "Multimedia Class Scheduler" service is provided by MMCSS.dll DLL file.

Detailed information on "Multimedia Class Scheduler" service:

Service name: MMCSS
Display name: Multimedia Class Scheduler
Execution command: C:\Windows\system32\svchost.exe -k netsvcs
Start type: Automatic
Service status: Started
Dependencies: None

"Multimedia Class Scheduler" service is provided by a DLL file called: MMCSS.dll:

Name: MMCSS.dll
Location: C:\Windows\System32\MMCSS.dll
Description: Multimedia Class Scheduler Service
File version: 6.1.7600.16385
Size: 48.5 KB (49,664 bytes)
Modified: Monday, July 13, 2009, 9:15:41 PM

Disabling "Multimedia Class Scheduler" service should not cause any issues when running Windows XP system.

⇒"svchost.exe -k netsvcs" Services on Windows XP

⇒⇒Windows XP Services Tutorials