The issue has been resolved in Smarts version 10.1.7 and newer. Recommendation is to upgrade to the latest version of Smarts IP Manager.
SMARTA-1417 / SR: 21244495208
SNMP V3 devices discovery is failing during the pending discovery.
Resolution: While adding SNMP V3 devices to the pending list, the context parameter has been corrected to add the right context details for the pending list discovery to be successful.
See the following release notes linked below.