Troubleshooting Tip: How to investigate the error "Federated Upgrade Failed after reaching state downloading"

[Quint021]

Description	This article describes how to troubleshoot Fabric Upgrade failures due to Unavailable Firmware Version.
Scope	FortiGate v7.4, v7.6.
Solution	When navigating to System -> Firmware & Registration and selecting Fabric Upgrade as highlighted: The following error may be observed in the logs: A federated upgrade could not be completed by the root FortiGate because: version unavailable. message: Federated upgrade failed after reaching state downloading. To diagnose this issue, collect the following logs: diagnose debug disable diagnose debug reset diagnose debug app update -1 diagnose debug console timestamp en  diagnose debug en Errors may include: Image Verification Failures. FortiGuard Connection Issues i.e. To troubleshoot FortiGuard issues, refer to the following: FortiGuard Troubleshooting  The following screenshot highlights the expected output before the firewall executes the Federated Upgrade: Workaround:  Cancel Fabric Upgrade as highlighted in the following article and utilize the standard upgrade option (file upload) Reference: Standard File Upgrade Guide  To cancel the federated upgrade using CLI: execute federated-upgrade cancel