Authentication Error Has Occurred Function Requested Is Not Supported
When the Remote Desktop Connection authentication fails, you’ll receive the following error message; An authentication error has occurred.The function requested is not supported. Remote computer: Computer_Name or IP_AddressThis could be due to CredSSP encryption oracle remediation.For more information, see https://go.microsoft.com/fwlink/?linkid=866660 As you can see from the image above, the error message is caused by the CredSPP Encryption Oracle Remediation. You can fix the ‘An authentication error has occurred, This could be due to CredSSP encryption oracle remediation’ error by using Registry or Group Policy Editor....