The Spotlight Client is not required by SCOM. However, the Spotlight Client is required to configure Spotlight, manage Spotlight connections and configure alarms. If the Spotlight Client is installed on the same computer as the SCOM Console, then the Spotlight Client can be launched from the SCOM Console.
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From the SCOM Console main menu select Tasks | Windows Computer Tasks | Launch Spotlight Enterprise.

Alternatively, from the Tasks Pane click Tasks | Windows Computer Tasks | Launch Spotlight Enterprise. To open the Tasks Pane, from the SCOM Console main menu click View | Tasks.