https://www.cisco.com/c/en/us/support/docs/cloud-systems-management/evolved-programmable-network-manager-50/218075-resolve-the-unable-to-reach-inventory-p.html
Resolve the "Unable to Reach Inventory Process" Issue in EPNM 5.X - Cisco
This document describes the steps to resolve the 'Unable to Reach Inventory Process' error in Evolved Programmable Network Manager (EPNM) 5.X.