The three settings that should be checked while troubleshooting this problem are:
Ensure FortiGate port4 can resolve DNS. This is because the Azure SDN connector requires DNS resolution to communicate with the Azure API1. If the FortiGate port4 cannot resolve DNS, the SDN connector will not be able to retrieve the Azure resources and display them in the GUI.
Ensure FortiGate portl has internet access. This is because the Azure SDN connector requires internet access to communicate with the Azure API1. If the FortiGate portl does not have internet access, the SDN connector will not be able to connect to the Azure cloud and display an error in the CLI.
Ensure IP address 169.254.169_254 is not blocked. This is because the Azure SDN connector uses this IP address to obtain metadata information from the Azure instance2. If this IP address is blocked by a firewall policy or a network ACL, the SDN connector will not be able to get the required information and display an error in the CLI.
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