The problem turned out to be quite different. Helped this post
Configuration manager remote control cannot connect
Сергей Коломиец
96
Reputation points
I have problems with remote control. And I don’t understand why it’s working on some computers but others not. Under client settings I have enabled remote tools.
The agent on the client the Remote tools agent enabled.
Service: Configuration Manager Remote Control is enabled.
Windows for business | Windows Client for IT Pros | User experience | Remote desktop services and terminal services
Answer accepted by question author