Diagnostic Policy Service - Windows Vista Service
The Diagnostic Policy Service enables problem detection, troubleshooting and resolution for Windows components. If this service is stopped, diagnostics will no longer function. If this service is disabled, any services that explicitly depend on it will fail to start.
This service also exists in Windows 10, 11, 7 and 8.
Startup Type
| Windows Vista edition | without SP | SP1 | SP2 |
|---|---|---|---|
| Starter | Automatic | Automatic | Automatic |
| Home Basic | Automatic | Automatic | Automatic |
| Home Premium | Automatic | Automatic | Automatic |
| Business | Automatic | Automatic | Automatic |
| Ultimate | Automatic | Automatic | Automatic |
Default Properties
| Display name: | Diagnostic Policy Service |
| Service name: | DPS |
| Type: | share |
| Path: | %WinDir%\System32\svchost.exe -k LocalServiceNoNetwork |
| File: | %WinDir%\system32\dps.dll |
| Error control: | normal |
| Object: | NT AUTHORITY\LocalService |
| Privileges: |
|
Default Behavior
The Diagnostic Policy Service starts as NT AUTHORITY\LocalService and runs in a shared process of svchost.exe. If Diagnostic Policy Service fails to start, the error is recorded into the Event Log. Windows Vista startup proceeds, but a message box is displayed informing you that the DPS service has failed to start.
Restore Default Startup Type of Diagnostic Policy Service
Automated Restore
1. Select your Windows Vista edition and Service Pack, and then click on the Download button below.
2. Save the RestoreDiagnosticPolicyServiceWindowsVista.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the dps.dll file exists in the %WinDir%\system32 folder. If this file is missing you can try to restore it from your Windows Vista installation media.