This step is mandatory otherwise when reloading the new configuration file the error message «configuration file error» will be displayed on the web based interface. Save the new configuration file under a new. For example, the previous unit may have had a «wan1» interface however the new device has a «port1» interface, it is critical to make sure these correspond. Make sure that all interface names correspond to the new device.
#Fortigate vm 100 setup download
![fortigate vm 100 setup fortigate vm 100 setup](https://files.passeidireto.com/Thumbnail/d4f66562-2ec8-44b5-8e63-e67e0874e909/1200/9.jpg)
This procedure is different depending on which FortiOS version is running on the FortiGate:
#Fortigate vm 100 setup install
![fortigate vm 100 setup fortigate vm 100 setup](https://image.slidesharecdn.com/fortigate-vm-install-50-170403034357/95/fortigate-vminstall50-21-638.jpg)
![fortigate vm 100 setup fortigate vm 100 setup](https://m.media-amazon.com/images/I/41iquMffvDL._AC_SL1200_.jpg)