On HyperV Server Run:
choco install -y openssh -params "/SSHServerFeature /PathSpecsToProbeForShellEXEString:$env:WINDIR\system32\windowspowershell\v1.0\powershell.exe"
In your packer template add:
hyperv_server: hostname of the server running hyper-v
hyperv_username: username to authenticate to the server as
hyperv_password: password for the user authenticating
Currently only supports iso builds, EVERYTHING is relative to the server
Very rough at the moment and suited to my personal needs, but updates coming.
To the writers of the packer built-in hyperv plugin, of which much of this is based off of