Windows 2008 R2 Hyper-V and Remote Desktop
Download your favorite image (or create one) and you want to exchange files with the guest OS. You are running Wi-fi and have to use the wired connection as your virtual network. You can access your image just fine through the Hyper-V Virtual Machine connection app but it doesn't support accessing host folders.
Remote Desktop to the rescue! Yes I know, this is old news, but read on for the problem you may encounter.
You start up remote desktop and try to access via IP and/or host name and you get that it is not there. Hmmm....
The problem may be that by default Remote Desktop will try to auto-detect a remote desktop gateway. When you are connected to the internet or you LAN you may encounter one! Just go over to the options/Advanced and choose to NOT use a gateway and voila! it works!
Now you can change your settings to share local host drives with your remote session (your guest VM) and start sharing!