Symantec Endpoint Protection 14.3: Ru6 System Requirements

The management server requires robust hardware, especially when hosting a local database. Processor: Intel Pentium Dual-Core or equivalent minimum; 8-core or higher recommended Physical RAM: 2 GB minimum; 8 GB or more recommended If Microsoft SQL Server is on the same machine, 8 GB is the absolute minimum Hard Drive: Management Server only: 16 GB minimum. With Local Database: 40 GB minimum; 200 GB recommended 1024 x 768 or higher. Windows Client Requirements

If you are upgrading from an older version, verify the following baseline: symantec endpoint protection 14.3 ru6 system requirements