Symantec Endpoint Protection Upgrade 14.2 To 14.3 〈EXTENDED〉

: Avoid running third-party software installations simultaneously, as they may interfere with system-level changes.

Choose the 14.3 installation package and specify the target group.

Download the latest Symantec Endpoint Protection 14.3 installation package from the Broadcom Support Portal. symantec endpoint protection upgrade 14.2 to 14.3

Save the current recovery file ( .xml ) to an external, secure location.

Once the SEPM server is successfully upgraded, you can upgrade the clients. You do not need to uninstall the old client beforehand; the in‑place upgrade process saves client settings, then installs the new version. Save the current recovery file (

Navigate to the Admin > Servers panel, select your local server, and click Download LiveUpdate Content to ensure the server successfully pulls the latest 14.3 definitions. 4. Upgrading Symantec Endpoint Protection Clients

If you are using SEPM in a clustered environment or with a SQL database, verify the SQL compatibility matrix before running the installer. Navigate to the Admin > Servers panel, select

Log into the server using a local administrator account or a domain account with explicit local admin rights.