Automatically when the Monitor starts. When you start the Monitor, by default, it connects to the resources and collects metrics for all resources in the Monitor.

Automatically when a Monitor administrator adds a resource. After a resource is added, the Monitor attempts to connect to the resource and starts monitoring it.

Automatically at the end of a blackout period. The Monitor automatically attempts to connect to the resource and resume monitoring.

When a Monitor administrator opens the Administration window, clicks Resources, selects a resource from the list, and clicks Start.