An Authentication Error Has Occurred. The Function Requested Is Not Supported [Fixed]
An Authentication Error Has Occurred. The Function Requested Is Not Supported [Fixed]
The following error appeared on a Windows based computer, when I tried to connect to a Windows Server via the Remote Desktop Connection app: "An authentication error has occurred. The Function Requested is not Supported.". At the same time, the Remote Desktop connection is successful from Windows 10 based PCs.
Issues addressed in this tutorial:
authentication error has occurred the function requested is not supported
This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei , Microsoft Surface, and Samsung.