Technical Tip: How to determine the optimal FortiProxy upgrade path

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Description	This article describes how to define the FortiProxy firmware upgrade path.
Scope	FortiProxy.
Solution	Before upgrading a FortiProxy to a target release, it is necessary to verify if intermediate upgrades are required. Example: The direct upgrade from the FortiProxy firmware release 7.2.3 GA to the firmware release 7.4.4 GA is not supported, as indicated on the target release notes, in the Introduction paragraph: See the Fortiproxy 7.4.4 Release Notes. The oldest 7.2 release supported for direct upgrade is the 7.2.5 GA. Fort this reason, it is necessary to do an intermediate upgrade to the release 7.2.5 GA, without additionally intermediate upgrades because in the 7.2.5 GA release notes, there are no restrictions on the upgrade from the release 7.2.3 GA. Additionally, before proceeding to the upgrade, it is recommended to follow all of the instructions listed here: Upgrade Best Practices. Important notes: The described procedure can be used also with other Fortinet products not listed in the Fortinet upgrade tool: Upgrade Tool. To upgrade more Fortinet products, follow this order: Fortinet Security Fabric Upgrade.