Troubleshooting Tip: How to check image-list from FortiGuard (FDS) on FortiGate-6000F

[rmankotia]

Description	This article describes how to check the image list available from FortiGuard (FDS) for use in upgrading or downgrading firmware on a FortiGate-6000F via the CLI.
Scope	FortiGate, FortiGuard.
Solution	To check the list of firmware images available from FDS on the FortiGate-6000F, follow the steps below: Step 1: Connect to the Management Board (MBD). Make sure to access the global CLI prompt on the Management Board. The example used here assumes that the FortiGate-6000F chassis has six Fortinet Processor Cards FPCs installed. Step 2: Run the diagnostic command. Use the following command to check the available firmware images from FDS across all modules (MBD and FPCs): diagnose fdsm image-list Each FPC and the MBD will list the compatible firmware images retrieved from FDS. Notes: Ensure the FortiGate-6000F can connect to FortiGuard (FDS) to retrieve the image list. Access permissions or network policies may block the retrieval if not properly configured. Related article: Troubleshooting Tip: No firmware available from FortiGuard under firmware management