I have a local Win8 Hyper-V guest running XP that I use to VPN into a network that is completely isolated from the internet. The guest and the host share the same network adapter through a "external network" virtual switch on the host.
From what I understand, once the guest logs into the VPN, it becomes isolated from the local network, including the host. This is preventing me from establishing an RDP connection to the guest once it has connected to the VPN, leaving me with the clunky Virtual Machine Connection as my only alternative to connecting to the guest. RDP works fine when the guest isn't connected to the VPN.
So my question is, is there any way to still use RDP in this kind of situation? And if not, is there a way to make Virtual Machine Connection more usable by being able to pick any arbitrary display resolution? There's a small list of resolutions you can pick from in Display Settings when using VM Connection and none of them match my display's native resolution, which makes it annoying to use.