According to the following overview, you can see that the RDS environment has been set up, followed by the following we will continue to improve the entire RDS deployment, please look forward to it!
Go to Server Manager-Remote Desktop Services-Overview, right-click Rd Virtualization Host-Add RD Virtualization Host Server
Select the RD Virtualization Host server that you want to add to move to the selected inside, click "Next"
Confirm configuration, here to "Restart the remote computer when needed" tick, prompting "RD Virtualization Host" need to reboot, point "add"
Adding RD Virtualization Host servers, as follows: adding progress
Added RD Virtualization Host restarts after installation completes, point "off"
You can see the RD Virtualization host you just added on the right "deployment Server".
Add an RD Virtualization host to the RDS deployment of Windows Server 2016