501 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.
600 Microsoft Corporation
601 Microsoft Corporation
602 The Windows Diagnostic Infrastructure Resolution host enables interactive resolutions for system problems detected by the Diagnostic Policy Service. It is triggered when necessary by the Diagnostic Policy Service in the appropriate user session. If the Diagnostic Policy Service is not running, the task will not run