The latest version of Symantec Endpoint Protection Manager (SEPM) is (Build 14.4.387.0000), released on March 2, 2026
. While you specifically asked about version 14.3, Broadcom continues to provide updates and downloads for the 14.3 series, with being the most current maintenance release in that branch. How to Download Symantec Endpoint Protection Manager
To download the installer, you must have an active license or serial number to access the Broadcom Support Portal Log in to the Portal : Use your Broadcom credentials to access the Broadcom Support Portal Locate Your Entitlements : On the left panel, click My Entitlements symantec endpoint protection manager download 143 new
and search for your product using your serial number, Site ID, or contract number. Select Your Product
: Look for "Endpoint Security Complete" or "Endpoint Security Enterprise" and click the Choose the Version The latest version of Symantec Endpoint Protection Manager
: On the product release page, you can select the specific release number (e.g., or the newer ) from the dropdown menu. Download the Package : Select the Full Installation
package or specific client files. For a new management server installation, download the full package which includes Minimum System Requirements (SEPM 14.3/14.4) Post-Download: Deploying the "New" Agent to Clients Having
Before installing, ensure your server meets these hardware and software specifications as of March 2026:
Having a new SEPM without updated clients is like having a new car with old tires. After your SEPM download and install:
https://<server>:8443/websec for self-service downloads.Tip: The "143 new" version introduces Bandwidth Throttling for Client Downloads – use it to prevent saturation during mass deployments.
To download the specific version or patch containing build 143: