v747m decodes to version 7.4.7, with m likely indicating a maintenance release.
build2731 pins it to an exact build number — critical for support cases, CVE tracking, and feature consistency. FortiOS 7.4.x introduced enhancements like:
If you found this string in a download link, file listing, or log, treat it as Fortinet proprietary software. Do not share or execute it unless you have a valid Fortinet license and support agreement. Unlicensed use violates Fortinet’s EULA. fgtvm64kvmv747mbuild2731fortinetoutkvmqcow2
KVM (Kernel-based Virtual Machine) is a full virtualization solution for Linux on x86 hardware. Unlike ESXi or Hyper-V, KVM is built directly into the Linux kernel, offering near-native performance. It’s the foundation for many open-source and enterprise clouds (OpenStack, Proxmox VE, oVirt). v747m decodes to version 7