Upgrade information
FortiSwitchOS 7.2.1 supports upgrading from FortiSwitchOS 3.5.0 and later.
For the FS-424E, FS-424E-POE, FS-424E-FPOE, FS-424E-Fiber, and FS-M426-FPOE models, there is a two-step upgrade process if you are upgrading from FortiSwitchOS 6.0.x or 6.2.x to 7.2.x:
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Upgrade from FortiSwitchOS 6.0.x or 6.2.x to FortiSwitchOS 6.4.12 or later.
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Upgrade from FortiSwitchOS 6.4.12 or later to 7.2.x.
If you do not follow the two-step upgrade process, the FortiSwitch unit will not start after the upgrade, and you will need to use the serial console to conclude the upgrade (BIOS and OS). |
For FortiSwitch units managed by FortiGate units, refer to the FortiLink Release Notes for upgrade information.