You need to ensure that the RDS Per Device CALs allocated to the old client computers can be immediately reallocated to the new client computers
You need to move all Remote Desktop Services client access licenses (RDS CALs) from Server1 to Server2
You need to ensure that the users connecting to the RD Connection Broker farm can establish sessions on Server3
You need to increase the bandwidth that is allocated for printing and for file transfers between the RD Session Host server and the Remote Desktop clients