Windows 10 Technical Preview: Hot Add / Remove of Network Adapter
There are a number of new features and functionality for Hyper-V in the Windows 10 Technical Preview.
One of these features is that you can now add and remove network adapters from running virtual machines. Specifically – you can add and remove network adapters (not Legacy network adapters) from Generation 2 virtual machines.
You can do this with any supported guest operating system.