General Information
None at this time
Windows 8
Default 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.
Additional Information
None at this time.
Default Startup Type
| OS | SP0 |
|---|---|
| Windows 8 x86 | Manual |
| Windows 8 x64 | Manual |
| Windows 8 Pro x86 | Manual |
| Windows 8 Pro x64 | Manual |
| Windows 8 Enterprise x86 | Manual |
| Windows 8 Enterprise x64 | Manual |
Service Names
Service Name (registry): WdiSystemHost
Display Name: Diagnostic System Host
Default Path and Command Line Options
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System account
Dependencies
Note: No dependencies are listed for any service in the WDP build I used to draft this information.
Windows 7
Default 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.
Additional Information
This service is started upon system boot, but shortly after, it stops if not used. This services state, in normal and safe mode, cannot be modified by a registry patch.
Default Startup Type
| OS | SP0 | SP1 |
|---|---|---|
| Windows 7 Starter | Manual (Started) | Manual |
| Windows 7 Home Basic | Manual (Started) | Manual |
| Windows 7 Home Premium | Manual (Started) | Manual |
| Windows 7 Professional | Manual (Started) | Manual |
| Windows 7 Ultimate | Manual (Started) | Manual |
| Windows 7 Enterprise | Manual (Started) | Manual |
Service Names
Service Name (registry): WdiSystemHost
Display Name: Diagnostic System Host
Default Path and Command Line Options
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System account
Dependencies
What service Diagnostic System Host needs to function properly:
- None (S, HB, HP, P, U, E)
What other service require Diagnostic System Host to function properly:
- None (S, HB, HP, P, U, E)
Windows Vista
Default Description
The Diagnostic System Host service enables problem detection, troubleshooting and resolution for Windows components. If this service is stopped, some diagnostics will no longer function. If this service is disabled, any services that explicitly depend on it will fail to start.
Additional Information
This services state, in normal and safe mode, cannot be modified by a registry patch.
Default Startup Type
| OS | SP0 | SP1 | SP2 |
|---|---|---|---|
| Vista Home Basic | Manual (Started) | Manual (Started) | Manual (Started) |
| Vista Home Premium | Manual (Started) | Manual (Started) | Manual (Started) |
| Vista Business | Manual (Started) | Manual (Started) | Manual (Started) |
| Vista Ultimate | Manual (Started) | Manual (Started) | Manual (Started) |
| Vista Enterprise | Manual (Started) | Manual (Started) | Manual (Started) |
Service Names
Service Name (registry): WdiSystemHost
Display Name: Diagnostic System Host
Default Path and Command Line Options
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted
Log On As
Account: Local System Account
Dependencies
What service Diagnostic System Host needs to function properly:
- None (HB, HP, B, U)
What other service require Diagnostic System Host to function properly:
- None (HB, HP, B, U)
Additional Reading
None at this time.