Always take a QCOW2 snapshot before upgrading.
Understanding the components of this string helps verify that you have downloaded the correct image from the Fortinet Customer Service & Support Portal: FortiGate - GNS3 fgtvm64kvmv723fbuild1262fortinetoutkvmqcow2 new
All FortiGate-VMs ship with a limited 15-day trial license. To obtain a permanent license: Always take a QCOW2 snapshot before upgrading
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