Click and select Install Packages . Verify that the 14.3 packages (Windows 32-bit, Windows 64-bit, macOS, Linux) are visible.
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
Even with careful preparation, you may run into issues. Click and select Install Packages
In the Symantec installation panel, click . 14.3 introduces critical architectural changes
Once the file copy process completes, the Configuration Wizard will launch automatically. Select your existing database connection parameters.
Migrating to Symantec Endpoint Protection 14.3: The Complete Upgrade Guide