To set PRO settings for a host group or a host cluster, you must set InheritPROSettings = False and then set both the PRO ...

      To set PRO settings for a host group or a host cluster, you must set InheritPROSettings = False
      and then set both the PRO monitoring level (PROMonitoringLevel parameter) and PRO automation
      level (PROAutomationLevel parameter). To inherit PRO settings from the parent host group,
      set InheritPROSettings = True.