This topic describes how to resolve the "The remote computer requires Network Level Authentication" error when you connect to a Windows ECS instance using Remote Desktop Connection.
Symptoms
When you attempt to log on to a Windows ECS instance using Remote Desktop Connection, the connection fails with the following error message: "The remote computer requires Network Level Authentication".
Cause
This error occurs because the Remote Desktop Connection client on your local computer is outdated.
Solution
The following procedure uses Windows Server 2012 R2 64-bit as an example. Steps may vary for other operating systems. For more information, consult their official documentation.
Connect to the Windows instance using a VNC connection.
For more information, see Connect to an instance by using VNC.
Click the
icon, right-click This PC, and then click Properties.On the Control Panel Home, click Remote settings.
On the Remote tab, clear the Allow connections only from computers running Remote Desktop with Network Level Authentication (recommended) checkbox, and then click OK.
After completing the configuration, try connecting to the instance again.