Synchronization
Toggles the mc synchronization (pull) from another MC.
Disabling synchronisation and enabling it after 10 days may cause the fssIds to become replaced on the remote Master Controller
If the heartbeats of a remote Forecasting Shell have been synchronized, but are not updated for over 10 days because of synchronisation is off or due to failover mode, or they will expire. When the owning Master Controller is connected again, the fssIds are then replaced.