Reading Time: 4 minutes Sharing a USB device across the network could be useful in several user cases, but virtualization is one of them: also if you can connect a physical USB device in VMware vSphere (since version 4.1), this give some limits in cluster features like HA. Also other virtualization product does not have similar features (in Hyper-V, for example, it will add only in the next release), so usually external box are used to convert your local USB devices in a client – server approach.