config system fortiguard set fortiguard-anycast disable set protocol udp set port 8888 set sdns-server-ip "208.91.112.220" end Then restart the FortiGuard service:
For persistent cases, engage Fortinet TAC with the diagnostic outputs from diagnose debug flow and execute curl to pinpoint the exact connectivity break. Share your experience or additional tips in the comments below. For more FortiGate troubleshooting, subscribe to our newsletter or check out our related guides on VPN stability and SD-WAN configuration. you cannot select a provider
This error prevents the firewall from fetching the official list of supported DDNS providers (such as FortiGuard DDNS, No-IP, or DynDNS) from Fortinet’s servers. Without this list, you cannot select a provider, configure the service correctly, or update your dynamic IP. configure the service correctly
