Before upgrading to SEP 14.3, ensure that your environment meets the following requirements:
Launch the 14.3 installation package as an administrator. The wizard will handle database schema upgrades and import new client packages.
Upgrading Symantec Endpoint Protection from 14.2 to 14.3: The Complete Enterprise Guide
Choose "Install Symantec Endpoint Protection Manager" from the splash screen. Upgrade Wizard: symantec endpoint protection upgrade 14.2 to 14.3
Increase your SQL transaction log size limit; ensure the DB user has db_owner and sysadmin privileges during the upgrade. Management certificates or ports were blocked/reset.
Open services.msc and verify that the Symantec Endpoint Protection Manager and Symantec Endpoint Protection Embedded Database (if applicable) services are running smoothly.
Aside from general fixes, version 14.3 introduces several significant enhancements: Before upgrading to SEP 14
Has anyone else recently completed this jump? Let me know in the comments how it went! 👇
Once your SEPM console is running 14.3 and successfully communicating with your network, you can begin migrating your endpoint clients. Method A: Upgrade Groups via AutoUpgrade (Recommended)
Reduced system overhead and faster scan times. Upgrade Wizard: Increase your SQL transaction log size
The upgrade path is straightforward (SEPM first, then clients), but don't forget to check your custom policies and OS compatibility first!
Provide administrative credentials for the target machines to execute the remote installation. 5. Troubleshooting Common Upgrade Issues
: Minimum 2 GB RAM (8 GB recommended) and at least 5 GB of free disk space.