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How to Start/Stop Diagnostic System Host service

Service name: WdiSystemHost

Display name: Diagnostic System Host


Description:

The Diagnostic System Host 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.



Path to executable:

C:\WINDOWS\System32\svchost.exe -k LocalSystemNetworkRestricted -p

Services Regedit CMD Msconfig

Msconfig:
This method shows you how to Start/Stop Diagnostic System Host service from starting with the operating system using
System Configuration

Perform the following steps:

Please go to Start and click on the Type here to search

Type msconfig and press Enter

In System Configuration please go to Services tab and locate Diagnostic System Host service
Uncheck the box to prevent this service to start and then press OK to finish

Any change make in System Configuration will be apply after restart