Start, Stop, and Restart Instances in Control Center
If you have sufficient permissions, you can restart any running instance, stop any running on-demand sandboxes (ODS), and start any instance whose status is down ("Administratively down" or "System down").
To start, stop, or restart an instance, perform the following steps:
Control Center attempts to start, stop, or restart the instance, and changes the instance's status as appropriate.
Note: Starting or restarting an instance might take several minutes.