A customer does not have the asset list from their organization and SapphireIMS has done the discovery operation through agent based discovery. How we can identify the system list which is not discovered in SapphireIMS application?

Discovery, Inventory and Compliance Agent-based Discovery
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We have a feature called ‘Missing Agent Reconciliation’ which can be used to get the list of nodes available in organization but not installed with agent to discover in SapphireIMS. This feature can be used with Active Directory/CMDB/CSV/Ping Sweep options. Please refer another article on the same Agent reconciliation