Launch the utility from the Symantec tool directory on your server. Click Backup .
Use the built-in Database Backup and Restore utility. Export your backup file to an external, secure location.
Transitioning to 14.3 offers more than just bug fixes; it delivers a robust leap in protection technology:
If 14.2 clients lose connection to the 14.3 manager, ensure TLS 1.2 or TLS 1.3 protocols are enabled on your server, as version 14.3 deprecates older, insecure cryptographic protocols. symantec endpoint protection upgrade 14.2 to 14.3
If critical clients fail to upgrade or the SEPM becomes unstable:
Compatibility updates for the latest Windows, macOS, and Linux environments.
Upgrading from Symantec Endpoint Protection 14.2 to 14.3 is a systematic process that, with careful planning and execution, leads to a more secure and well-managed endpoint environment. By following this guide, you can take advantage of the new security features, maintain operating system support, and avoid common pitfalls like FIPS conflicts and 32-bit compatibility issues. Always remember to back up your SEPM, test on pilot groups, and consult the official release notes for your specific target version. Launch the utility from the Symantec tool directory
Download the Symantec Endpoint Protection 14.3 installation package from the Broadcom Support Portal. Extract the files and double-click . Select Install Symantec Endpoint Protection Manager . Step 2: Advance Through the Setup Wizard Accept the license agreement.
If a client fails to upgrade, check the local installation logs located at C:\ProgramData\Symantec\Symantec Endpoint Protection\CurrentVersion\Data\Install\Logs\ SIS_INST.log .
Input your database administrative credentials when prompted. Export your backup file to an external, secure location
You can choose to run LiveUpdate during the upgrade or skip it to save time. Verification
: If you have multiple SEPM sites, stop the replication process before initiating the upgrade.