Symantec Endpoint Protection Upgrade 14.2 To 14.3 [work] [2025]
Download the 14.3 RU (Release Update) version from the Broadcom support portal.
If clients cannot download updates, check the LiveUpdate settings in the policies. Conclusion
Full compatibility with updated Windows and macOS versions, including support for Microsoft Trusted Signing (14.3 RU8 and later). symantec endpoint protection upgrade 14.2 to 14.3
Once the installation finishes, the configuration wizard will run. Select "Reconfigure" to upgrade the database schema. Step 3: Upgrade Additional SEPM Servers (If Applicable)
To ensure a successful upgrade, follow these best practices: Download the 14
| Component | Minimum Requirement for SEP 14.3 | Recommendation | | :--- | :--- | :--- | | | Windows Server 2012 (14.3 RU9 and earlier), Windows Server 2016, 2019 | Windows Server 2022 (14.3 RU3 and later) or 2025 (14.3 RU10 and later) | | Processor | Intel Pentium 4 (2 GHz) with 2 cores, minimum | 4 cores or more | | RAM (Physical) | 2 GB available | 8 GB or more | | Disk Space | At least three times the size of the SEPM database | As needed based on database size | | Database | Embedded Microsoft SQL Server Express 2014 or Sybase (14.3 MP.x and earlier) | SQL Server 2014, 2016, 2017, 2019, 2022, or 2025 |
Check the log file located at C:\Program Files (x86)\Symantec\Symantec Endpoint Protection Manager\tomcat\logs\configuration-wizard-0.log . Ensure that the SQL Server transaction log is not full. Ensure that the SQL Server transaction log is not full
After completing the deployments, complete these validation steps to confirm your environment is fully secured. Server Validation
The most compelling reason to upgrade is that . While Broadcom extended virus definition updates until March 31, 2025, to give customers extra time, that grace period has now passed. Continuing to run an unsupported endpoint protection solution exposes your organization to unnecessary security risks.
Before diving into the "how," here’s why the "why" matters:
