This article describes how to troubleshoot FortiManager map view error. Here are the steps to troubleshoot, if any of the features are shown below error.
Scope
FortiManager
Solution
In FortiManager, there is a list of features that are able to use the Map View, which is on Device Manager > SD-WAN Monitor >AP Monitor and VPN Monitor.
Step 1: Make sure to have the correct compatibility between the FortiGate and FortiManager.
Step 2: FortiManager should have an internet access.
Step 3: DNS should be working and able to resolves below domain:
> mapserver-subca2001.fortinet.com
Step 4: Mapserver test should be successful:
# diagnose system mapserver test
Step 5: Should contain signed Fortinet SUBCA, CA Certificate in FortiManager.
If web proxy is configured, make sure it is the same for step 2 and 3.
If the issue still persists kindly share the execute tac report together with all output from the steps for TAC to troubleshoot further.