Connecting Mac on Windows using Xamarin Agent

Question

Hello, am new to Xamarin and trying to start in mobile application on cross platform.

 

I have a Mac book with version 10 with xCode installed in it.

 

I want to connect to Mac with my Windows 10, at the Mac agent window, it is showing the local Mac but it is showing cannot connect to Mac, as I am passing correct username and password.

 

Whats wrong. can anyone assist on this, how to connect