FortiManager Firmware
:
Upgrading from FortiManager v4.0 MR3
: Step 4: Upgrade FortiOS devices
Step 4: Upgrade FortiOS devices
Upgrade all FortiOS v4.0 MR3 devices to v4.0 MR3 Patch Release 12 or later. See
FortiOS v4.0 MR3 Patch Release 12 Release Notes
for the upgrade procedure.