Swarm Coordinator fails to distribute

The documentation for swarm coordinator says to place SwarmCoordinator.exe and SwarmCoordinatorInterface.dll in a new directory. When I do this the application is able to connect to agents on the network but is not able to distribute to them. However, when I run SwarmCoordinator.exe directly from the engine dotnet directory it is able to distribute to agents, but there are lightmass.exe errors for missing .dll files (such ■■■ d3dx9.dll) unless the engine is installed on the agent computer.

The documentation says that swarm agents don’t need to have the engine installed but at least one computer should have the engine installed, which I believe can be the pc that is building the scene lighting as the host coorditator.

Is it now necessary to install unreal editor on all swarm agent pc’s?