All questions related to installations, configurations and maintenance of Advanced Host Monitor (including additional tools such as RMA for Windows, RMA Manager, Web Servie, RCC).
H'm... HostMonitor is not SNMP agent. It does not accept SNMP requests. So, there are no Enterprise ID, no MIBs, ....
If you want to send some SNMP Trap using SNMP Trap action, you may use any ID you want.