Unable to setup Node in mac for hub in windows

While setting up Selenium Grid: Windows as Hub Mac as Node

While registering node in mac, the below error is displayed: Couldn't register this node: The hub is down or not responding: The hub responded with 305: Use Proxy


(1) Able to setup Selenium Grid successfully, By

-> Windows as Hub and Node

-> Mac as Hub and Node.

-> Mac as Hub and Windows as Node

(2) Able to connect RDP from Windows to Mac