config system ddns
edit 1
set ddns-server fortiguard.com
next
end
If fortiguard.com isn’t recognized, use the IP-based workaround (temporary):
set ddns-server update.fortiddns.com
set ddns-domain <yourdomain>.fortiddns.com
Add a static URL filter to allow these domains: If fortiguard
For DNS Filtering, add an exemption for *.fortinet.net under DNS Filter > Static Domain Filter. Add a static URL filter to allow these domains:
Report Date: October 26, 2023 Subject: Troubleshooting "Unable to Load DDNS Servers" Error Device Affected: FortiGate Firewalls (FortiOS) Report Date: October 26