Symantec Endpoint Protection Manager Download 14.3 May 2026
Cause: Another Java service (e.g., old Tomcat, Jenkins) is listening on the port.
Fix: Run netstat -ano | findstr :8443 to identify the PID, then kill the process or reconfigure the conflicting app.
Always verify file integrity using official SHA-256 checksums (available on Broadcom portal). Symantec Endpoint Protection Manager Download 14.3
| File | Typical SHA-256 (RU3) |
|------|----------------------|
| SEPM_14.3_Win64_Installation.exe | a1b2c3... (check portal) |
| SEP_14.3_Win64_Client_EN.exe | d4e5f6... |
| SEPM_14.3_Tools.zip | g7h8i9... | Cause: Another Java service (e
Do not uninstall the old version! Instead: Once logged in:
Once logged in: