You can configure the failover priority of your Agent Handlers by setting their failover priorities.
When you have multiple Agent Handlers, configure the primary Agent Handler in the ePO - On-prem Server as the lowest priority Agent Handler. This priority:
Forces systems to connect to all other Agent Handlers before connecting to the primary ePO - On-prem Server Agent Handler
Reduces the ePO - On-prem Server load so that it can perform other tasks like displaying the ePO - On-prem console user interface and running reports and server tasks
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Select Menu → Configuration → Agent Handlers, then click Edit Priority to create Agent Handler groups.
Click and drag the Agent Handlers to create the priority list you need for your network.
Click Save.