Go to Customer Management > Monitors and enter the following:
Version: 7.20.2.23
Customer Status: Active (you can select Last Updated time frame option, however this is not necessary).
Monitor Status: Active.
Click Search.
Tick the Select checkbox at far right, then click Update and Yes to confirm you wish to update to the latest version. Next time EKM polls the monitor, it will also update the software to the latest version (7.20.2.24).
Further information
Happen EKM The Monitor Console
Happen EKM Install and Initiate a DCA Monitor
Happen EKM Manually Restart DCA Monitor Service