When deploying the Remote Desktop Service role service, two things must be done to start the RDS implementation process:
1. The Remote Desktop Service role service must be installed on all servers that’ll participate in the RDS farm.
2. The RDS scenario-based installation configuration needs to be run to identify which servers in the farm will host which RDS roles (that is, RD Gateway, RD Web, RD Session Host, and so on).
The Remote Desktop Service role can be installed on one server at a time, or if you have several servers to configure for your RDS collection, you can install the RDS role on several servers at the same time. ...