| Component | 14.2 | 14.3 Requirement | |-----------|------|------------------| | | Windows 2008 R2+ | Windows Server 2012 R2+ (or 2016/2019/2022) | | SEPM DB | SQL 2008 R2+ | SQL 2012 SP4+, 2016, 2017, 2019 | | Client OS | XP/Vista/7/8/10 | Win 7 SP1 / 8.1 / 10 / 11, Server 2008 R2+ | | Java | Bundled JRE 8 | Bundled JRE 11 |
While 14.2 was a robust release, 14.3 introduces critical architectural changes, especially around and Linux protection . Upgrading blindly, however, can break policies or leave endpoints vulnerable. symantec endpoint protection upgrade 14.2 to 14.3
SEP upgrades are client-first. You must upgrade the SEPM before any clients. | Component | 14
Step 1 — Prepare the environment