Symantec Endpoint Protection 14.3.12154.10000 corresponds to Release Update 10 (RU10) Broadcom support portal
Conclusion
Resolution: Access the SEPM console, go to Admin > Licenses, and select Activate a new license to upload your Symantec license file. Pro-Tips for this Build: Symantec Endpoint Protection 14.3.12154.10000 P...
(Get GUID from HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall) Symantec Endpoint Protection 14
If you encounter issues while deploying build 14.3.12154.10000: go to Admin > Licenses
. This update focuses on enhancing server compatibility, strengthening administrative security, and resolving specific stability issues. Broadcom support portal Key Features and Changes Operating System Support : This version adds official support for Windows Server 2025 Dropped Support