What is the "Diagnostic System Host (WdiSystemHost)" system service on Windows Server 2012? Can I disable "Diagnostic System Host" System Host system service?

"Diagnostic System Host (WdiSystemHost)" is a Windows Server 2012 service that is used by the Diagnostic Policy Service to host diagnostics that need to run in a Local System context. If this service is stopped, any diagnostics that depend on it will no longer function.

Detailed information on "Diagnostic System Host" service:

Service name: WdiSystemHost
Display name: Diagnostic System Host
Execution command: 
   C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
Dependencies: None

"Diagnostic System Host" service is provided by the svchost.exe program, see "svchost.exe Executable Program on Windows Server 2012" for details.

Disabling "Diagnostic System Host" service will not cause any issues on running Windows 2012 Server. If you don't need system to provide any diagnostics in case of error, you can disable "Diagnostic System Host" to improve system performance and security.

⇒List of Services on Windows Server 2012

⇒⇒Windows Server 2012 Tutorials