You can run appliance utilities under Manage > Topology: Appliances. Select the name of the appliance you want to edit to display the Edit Appliance tab. Click Appliance Utilities to display the Editing Appliance Configuration <appliance>, Utilities panel. These configuration options are available:

Update updates the current appliance serial number. Sets the serial number for the appliance to the actual value stored on the appliance. The value is changed system-wide; the appliance remains accessible. The appliance must be connected to update the serial number.

Reconnect reconnects the SCC to the current appliance. You can establish a new connection to an appliance in about 30 seconds. Reconnecting doesn’t affect policy configurations.