VM Console will not connec to Hyper-v vm hosts

I am trying to get the VM console to connec to my Hyper-V hosts.

I have 4 Windows 200 R2 machines running hyper-v that I setup VM's on.  The error message is Unable to connect: Unable to connect to the remote server.

If I enter an invalid (i.e. non-existant machine name) then the error changes to: Unable to connect: The remote name could not be resolved: 'x'

To confuse the issue I can connect to every machine using SolarWinds SM Monitor for Hyper-v.

Many Thanks for any Help