When attempting to install Remote Desktop Session Host, an error message occurs as follow:
Error launching application [HyperV Test Perm].
The number of connections to this farm is limited by the installed licenses and all connections in use right now.
Try connecting later or contact your administrator. (-2147017842)
The customer is using a Desktop Edition license while trying to deploy RDSH
This version doesn't allow to use RDSH as per article here.
Contact your Sales representative to get an upgrade to Premier version.