CMMVC9455E The command failed because both [-engineid] and [-securityname] are required to change to version 3 security.

Explanation

This error can occur when an attempt is made to change from Simple Network Management Protocol (SNMP) version 2 to SNMP version 3 but the engine ID or security name was not specified. To change to SNMP version 3, both the engine ID and security name must be specified.