Troubleshooting: "Unable to Load FortiGuard DDNS Servers List" on FortiGate
Starting FortiOS 7.2, Fortinet requires a valid license (previously bundled with Unified Threat Protection).
Ensure your FortiGate is configured to use reliable DNS servers (like FortiGuard's own or public ones like Google 8.8.8.8) to fetch the server list.
Check firmware-related or FortiGuard-specific settings
Common root causes include: