Some portals ask whether you want “Legacy Key” or “JSON Format”. Choose JSON Format . Do NOT select “.txt” or “.html”.
Here is the complete content for a guide on downloading the veritas-customer-registration-key.json file. This file is typically required to register a Veritas appliance (like NetBackup Appliance or Flex Appliance) with Veritas Entitlement Management System (VEMS). How To Download Veritas-customer-registration-key.json