What is "Diagnostic Policy Service" in my Windows 8 service list? And how is "Diagnostic Policy Service" service related to dps.dll?

"Diagnostic Policy Service" is a Windows 8 service that The Diagnostic Policy Service enables problem detection, troubleshooting and resolution for Windows components. If this service is stopped, diagnostics will no longer function. "Diagnostic Policy Service" service is provided by dps.dll program file.

Detailed information on "Diagnostic Policy Service" service:

Service name: DPS
Display name: Diagnostic Policy Service
Execution command: C:\Windows\System32\svchost.exe -k LocalServiceNoNetwork
Dependencies: None

"Diagnostic Policy Service" service is provided by a program called: dps.dll:

Name: dps.dll
Location: C:\Windows\system32\dps.dll
Description: WDI Diagnostic Policy Service
File version: 6.2.9200.16384 (win8_rtm.120725-1247)
Size: 197120 bytes
Modified: 7/26/2012 3:05:32 AM UTC

Disabling "Diagnostic Policy Service" service may cause issues when running Windows 8 system.

⇒"svchost.exe -k LocalServiceNoNetwork" Services on Windows 8

⇒⇒Windows 8 Services Tutorials