: Perform a full backup of the database, logs, and recovery files found in %Symantec\Symantec Endpoint Protection Manager\data\backup . Verify System Requirements :
: Do not perform third-party installations (like OS updates) simultaneously with the SEP upgrade. Broadcom TechDocs Phase 2: Upgrading the Management Server (SEPM) The SEPM must always be upgraded before the clients. Stop Services : Manually stop the Symantec Endpoint Protection Manager API Service Web Server services on all management servers in your site. Run Installer : Run the 14.3 setup.exe as an Administrator. Upgrade Wizard symantec endpoint protection upgrade 14.2 to 14.3
Do not uninstall your existing version; the installer will update the current installation. : Perform a full backup of the database,
Before starting, ensure your environment meets the updated requirements for version 14.3: Stop Services : Manually stop the Symantec Endpoint
: Native support for Java 11 , SQL Server 2019, and broader Linux distributions including Ubuntu 18.04 and RHEL 8.