You can manually select and run any existing discovery task at any time. You can also stop a task that is running.
To run or stop a discovery task:
Select OptionsDiscovery. The Discovery page appears with the Automatic tab selected.
Select the discovery task that you want to run and click [Run Now]. The task runs immediately.
The [Run Now] button changes to [Stop] when a task is running. To stop a task, select the task and click [Stop].