Switchboard nDevice Node wont connect with Switchboard Listener

[comlys (Shaun Comly)]

It could be this issue

5.4 Switchboard only connects as admin

I work at a university managing servers that multiple people will use to access Unreal Engine, and we just migrated to 5.4. Everything works well, except Switchboard randomly stopped working. It was working fine on 5.4, and then it just wasn’t. Switchboard won’t even connect to its own PC. When I try to connect, Switchboard gives me this readout [13:21:40][D]: Using proactor: IocpProactor [13:21:40][D]: editort: device status change: CONNECTING [13:21:40][I]: Connecting to 10.16.46.93:2980 [13…

It could be some sort of firewall as well. This video may help.

Launching multiple Unreal Engines into a MultiUser Session using Switchboard for Virtual Production