Every computer that is configured in PA Server Monitor has a set of SNMP (Simple Network Management Protocol) credential settings associated with it.
The following context menu choice allows you to see the Set SNMP Settings dialog.

The Set SNMP Settings dialog allows you to set SNMP credentials that are appropriate for the server being monitored.

This dialog allows you to set the following items:
Once you have entered the information that will allow access to your SNMP agent, press OK in the "Set SNMP Settings" dialog to save the SNMP server settings.
The SNMP settings are used primarily by the SNMP Monitor, which has a Configure button that provides an alternate way to access this dialog.