What is the "Diagnostic System Host (WdiSystemHost)" system service on Windows Server 2008? Can I disable "Diagnostic System Host" System Host system service?

"Diagnostic System Host (WdiSystemHost)" is a Windows Server 2008 service that is used by the Diagnostic Policy Service to host diagnostics that need to run in a Local Service 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 2008" for details.

Disabling "Diagnostic System Host" service will not cause any issues on running Windows Server 2008. 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 2008

⇒⇒Windows Server 2008 Tutorials