Active or Customer scan commands sent from the Symantec Endpoint Protection Manager show rejected by the Linux client since upgrading the agent to 14.3 RU1.
[|] 2021-01-13 17:26:44 | cafservice.CAFSEPMCommandManager | Error | 11185 : 140407667930880 : operator():196 | Command not supported by agent.
[|] 2021-01-13 17:26:44 | cvehandler.ClientCommandProvider | Error | 11185 : 140407332222720 : HandleCommandData:197 | Failed to process 'SEPM' command. status: EpmpClientErrorCodes:3
Release : 14.3 RU1 for Linux
Only the full scan option is supported and executed by the 14.3 RU1 Linux agent when any scan command is sent from a Symantec Endpoint Protection Manager.