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

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Description	This article provides a checklist and the necessary logs to collect in cases where, after adding a FortiGate to FortiNAC, the Virtualized Device tab and VDOM information are not visible in the FortiNAC GUI.
Scope	FortiNAC, FortiNAC-F.
Solution	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: 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. 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. 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.