The Spotlight Diagnostic Server is a Windows service and can be started and stopped via the Windows Control Panel.
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To start or stop the Spotlight Diagnostic Server:

  1. On the Spotlight Diagnostic Server, open Windows Control Panel.
  2. Click Administrative Tools | Services.
  3. From the list of available services, double click on the Spotlight Diagnostic Server name: Spotlight Diagnostic Server.
  4. Click Start to start the Spotlight Diagnostic Server. Click Stop to stop the service.