Unable to connect robot with enterprise orchestrator

Hi All,

I’m trying to connect robot to orchestrator, it popping error like

An Error occurred while sending the request.
In details - the underlying connection was closed: Could not establish trust relationship for the SSL / TLS Secure channel.
Please provide solution…

Machine name and Url and Machine key all are correct.

Cab ne a certificate issue. Just follow the steps from link The remote certificate is invalid according to the validation procedure (error from Robot )- Troubleshoot steps