Technical Tip: How to cancel FortiGate upgrade using Fabric Management Page (Fabric Upgrade)

[adimailig]

Description	This article describes that a FortiGate upgrade using Fabric Management can get stuck, which results in the Fabric Management page continuously loading. Buttons and options are not working on the GUI.  Error: 'configuration errors encountered during the upgrade'. It is not possible to cancel the fabric upgrade from the GUI as well.
Scope	FortiGate.
Solution	Cancel the ongoing Fabric upgrade. To cancel the upgrade, use the CLI command below: execute federated-upgrade cancel This will cancel the upgrade. If the upgrade is immediate or scheduled to happen very soon, some nodes may have already gone down for an upgrade. Do you want to continue? (y/n) More options for these commands are below: execute federated-upgrade cancel     <----- Cancel the currently configured upgrade. initialize    <----- Set up a federated upgrade. quick-fortigate-upgrade     <----- Set up a 15-minute immediate mode upgrade for all FortiGates in the CSF tree. quick-full-upgrade  <----- Set up a 15-minute immediate mode upgrade for all CSF devices. restart    <----- Restart the currently configured federated upgrade. status     <----- Show the current status of the federated upgrade. More details about Fabric Upgrade on: Upgrading all device firmware by following the upgrade path (federated update) Note:  Starting with v7.4.8 and v7.6.4, a new behavior has been introduced on unlicensed or end-of-support FortiGate devices. See this document: Automatic firmware upgrades for FortiGate appliances with invalid support contracts or that have rea... For example, if the device has an expired support contract or EOL firmware, this will force devices to upgrade to the latest patch. This upgrade cannot be called; it can only be postponed for 7 days, and this can be done unlimited. execute auto-upgrade delay-installation For example, if the FortiGate has an expired support contract and is running v7.6.4, but the latest FortiOS from branch v7.6 is v7.6.8, the FortiOS will follow strictly the recommended upgrade path. Related articles:  Technical Tip: How to confirm an upgrade was done by federated-upgrade feature - Fortinet Community Troubleshooting Tip: Fabric management loading forever after trying to upgrade Technical Tip: Firmware upgrade for FortiOS firmware 7.2 and later via the upgrade path (federated u... Technical Tip: Disable auto-upgrade for unlicensed FortiGates