Troubleshooting Tip: How to Resolve the Absence of the Virtualized Device Section in the FortiNAC GUI

If, after a successful integration of FortiGate into FortiNAC, no information is displayed following the credential section, and there is no VDOM data in the label column:

Expected Outcome:
The Virtualized Device section and VDOM data should appear correctly:

The following troubleshooting steps should be undertaken:

1. Initial Verification: Ensure that the credentials are validated successfully by selecting the 'Validate Credential' button.

• Verify that the FortiNAC profile on the FortiGate is properly configured: Technical Tip: How to configure & use API token to communicate with FortiGate 
• Ensure that HTTPS service and Device Detection are enabled on the outgoing interface of the FortiGate.
• Ensure that the REST API is properly configured on the FortiGate and the token is mapped to FortiNAC.
• After configuring the REST API, resynchronize the FortiGate with FortiNAC and re-validate the credentials.
• In case of issues, the first troubleshooting step should focus on resolving any REST API-related issues.

2. Log Collection: If no issues are found and the problem persists after all initial checks, proceed to collect the following information:

• In the FortiNAC Inventory, access the Element tab of the FortiGate -> enable Advanced Options -> select the Enable Device Debug option -> select Save.
• On the FortiNAC CLI, enable the following debug:

device -ip x.x.x.x -setAttr -name DEBUG -value "ForwardingInterface TelnetServer " <----- x.x.x.x is FortiGate interface IP as per the viewpoint of FortiNAC).

nacdebug -level org.apache.sshd -level TRACE

• After enabling the debug options, return to the Credentials tab in the GUI interface and select the 'Validate Credentials' button.
• Right-click on the FortiGate entry and select Resync Interfaces.

3. Final Steps:

• Once the resynchronization process is complete, download and collect a Technical Tip: How to get a debug log report from FortiNAC-CA or FortiNAC-Manager of the logs.
• Collect all relevant data and logs, and submit a support ticket for further assistance.