: Minimum 1 , Recommended 2 to 4 (for optimal lab performance).
Move your downloaded image into your default KVM storage pool directory:
| Problem | Solution | |---------|----------| | VM fails to boot | Ensure QCOW2 is not corrupted; check KVM acceleration: egrep '(vmx|svm)' /proc/cpuinfo | | Network interfaces missing | Add correct model='virtio' ; FortiGate expects sequential ports (port1, port2, etc.) | | Slow throughput | Enable VirtIO, disable flow control offloads, increase RAM to 4 GB | | License fails | Verify VM MAC address matches license; regenerate license if needed | | Web GUI not loading | Check allowaccess includes HTTPS; verify no firewall blocks port 443 |
Deployable FortiGate VM Image for KVM Environments
Are you trying to or perform a clean install? fgtvm64kvmv721fbuild1254fortinetoutkvmqcow2
A minimum of 2048 MB (2 GB) is strictly required for FortiOS 7.0+. System kernels will panic or refuse to load on configurations with 1 GB or less.
Article last updated: October 2025
: Ensure you verify the checksum of the image against the values provided on the Fortinet Support Site before deployment to ensure the file hasn't been tampered with.
FortiGate requires an additional workspace disk alongside the primary OS boot image. Create a secondary 30 GB virtual storage drive using the following command: qemu-img create -f qcow2 fgt-logs.qcow2 30G Use code with caution. 3. Virtual Machine Provisioning : Minimum 1 , Recommended 2 to 4
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: Specifies the target hypervisor, Kernel-based Virtual Machine (KVM) , commonly used in enterprise Linux environments, Red Hat OpenShift, Proxmox VE, and Ubuntu KVM stacks. v721 : Represents the FortiOS software version 7.2.1 .
Open a web browser and navigate to https://192.168.1.99 (or the DHCP IP assigned to the unit). You can now complete the setup wizard, register your Fortinet care license, or evaluate the appliance using Fortinet's built-in evaluation trial license. Key Considerations for FortiOS 7.2.1 in Production
: 30 GB to 100 GB (Required for local log storage, databases, and proxy caching). System kernels will panic or refuse to load
Simplified IP Address Management (IPAM) directly via the graphical user interface (GUI).
virsh console fortigate-vm
--network bridge=...,model=virtio : Maps virtual network cards to the paravirtualized network framework for expedited packet routing.