A follow-on to this question.
I've installed an RDS Gateway and Connection Broker on one host, and Session Host on a second dedicated host:
Server A (colombes):
Add-WindowsFeature –Name RDS-Gateway –IncludeAllSubFeature
Add-WindowsFeature –Name RDS-Connection-Broker –IncludeAllSubFeature
Server B (dunkirk):
Add-WindowsFeature –Name RDS-RD-Server –IncludeAllSubFeature
Server Manager on Server A shows this:
And on Server B it shows:
Clearly I've missed the step that gets the two servers talking to each other properly, how can this be done with PowerShell alone? They can 'see' each other, so it isn't that they aren't communicating at all: