Hello, Hyper-V won't see the USB key so you should create it with a physical system instead. Check the instructions here How To: Create Image Assist USB or ISO for restoring an image. - Dell Community
Hi, Here is the scenarioI have set up Hyper-V in my Windows 11 and then created a new Windows 11 VM using it.I have 1 partition in the VM and did the image creation which told me to make a USB as the first step.It was impossible to add a physical USB to Hyper-V VM.Does somebody know how this can work? Thanks in advance.
Image creation using Hyper-V manager - Cannot mount physical USB to make 
bootable