There Is Not an Orchestrator Present at the Indicated URL Please check the Link and Retry

How to resolve when it is not possible to connect a Robot machine into Orchestrator and error message "There isn’t an Orchestrator present at the indicated URL. Please check the link and retry." is obtained ?

Issue Description : Can't connect a Robot machine into Orchestrator. Keep getting the message "There isn’t an Orchestrator present at the indicated URL. Please check the link and retry.".

Resolution : Install the Robot as Service.

This issue comes when Robot is installed in user mode and licenses are not named user licenses.