When updating to a new version of 14.3, do uninstall your existing manager. Run the installer to perform an "in-place upgrade," which preserves your existing policies, groups, and client communication settings. After the manager is updated, you can use the Client Deployment Wizard within SEPM to push the new 14.3 agents to your endpoints.
Before downloading, ensure your server meets the latest hardware and software specifications found in the Symantec Tech Docs : Minimum Requirement Recommended Intel Pentium Dual-Core or equivalent 8-core or greater RAM 2 GB available 8 GB or more (especially if using SQL) Hard Drive 40 GB available 200 GB (for local SQL database) Database MS SQL Server 2017/2019 MS SQL Server 2019 How to Download: Step-by-Step symantec endpoint protection manager download 143 new
: Choose "Symantec Endpoint Security Complete" or "Enterprise" from your list. When updating to a new version of 14
: Click the Downloads icon next to the product. Choose the version (e.g., 14.3 RU10 ) and select the full installation package which includes the Manager (SEPM) and the client installers. Upgrade Best Practices Before downloading, ensure your server meets the latest