Symantec Endpoint Protection Upgrade 14.2 To 14.3 |verified|

| Test | Expected Result | |------|----------------| | Login to console | Success | | View clients | All previously managed clients appear (green checkmark) | | Deploy a test policy | Client receives policy within 15 min | | Run a manual scan | Works on test client | | Check LiveUpdate | Definitions update successfully | | Review logs | No critical errors in %SEPM_Install%\Logs |

| Activity | Duration | |----------|----------| | Pre-upgrade backup & health check | 2–4 hours | | SEPM upgrade | 30–60 minutes | | Client upgrade (phased) | 3–10 days (depending on scale) | | Post-validation & testing | 1–2 days | | | 1–2 weeks | symantec endpoint protection upgrade 14.2 to 14.3

: Manually stop the Symantec Endpoint Protection Manager (SEPM) service on all management servers in your site. 2. Upgrading the Management Server (SEPM) | Test | Expected Result | |------|----------------| |

Here is a streamlined guide to ensure your upgrade is successful and your endpoints remain protected. Why Upgrade to 14.3? Why Upgrade to 14

After the wizard completes, log into the console to verify that the version now reflects 14.3 . 2. Upgrade SEP Clients