When you remove an RD Virtualization Host server, users will no longer be able to connect to virtual machines on the RD Virtualization ...

When you remove an RD Virtualization Host server, users will no longer be able to connect to virtual machines on the RD Virtualization Host server by using RemoteApp and Desktop Connection.  Users who have existing connections to the virtual machines may be unable to reconnect.  This may cause a loss of work.