Running "Auto Protect " scan on SEP(Symantec Endpoint Protection) Linux \ Ubuntu clients does not update the "Last Scan" status on SEPM(Symantec Endpoint Protection Manager).
This is an expected behavior for "Auto Protect" Scan as it is a real time scan that runs on SEP clients.
Last Scan status will get updated for below types of scan:
This is an expected behavior for "Auto Protect" Scan as it is a real time scan that runs on SEP clients.