Hi Manish, only Open Virtualization Format or OVF files can be imported as Virtual Machines into Virtualbox. If you've downloaded the VM from
https://xkit.extremenetworks.com/app/v/extremexosvm, you'll first have to decompress the file. Once done, you can create a VM in virtualbox using the standard process of creating a virtual machine (Name it and select
Next, you can keep all the default settings)
When selecting the Hard drive to use, select the
Use an existing virtual hard drive file and browse to the folder you decompressed above. You should be able to see a
.vdi file inside.
Once done, you should be able to see the VM listed in your VM list. You can then specify your network/serial port options and start the VM.
All the best