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System Control Menu
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The priorities can be created or edited (by clicking a row) and can only be altered to a unique number so that the order is changed.
Synchronization
Toggles the mc synchronization (pull) from another MC.
Common guideline on defining Failover priorities
As a rule, any Master Controller is in charge of running its own tasks. In addition, it takes over Failover tasks from other Master Controllers when no other Master Controllers with better failover priority (lower value) is available. Each Master Controller has its own list of failover priorities, deciding which Master Controller becomes the next top MC in a Failover situation. In order to prevent the local Master Controller becoming the top Master Controller for taking over its own "Suspend duty in Failover" Tasks in case of a manual failover, it is common to specify all other Master Controllers first, and put the local Master Controllers' Failover Priority last.