How do I fix Network Level Authentication?

How to Fix “The Remote Computer Requires Network Level Authentication (NLA)” on Windows

  1. Check Your Internet Connection.
  2. Restore the Network Settings to their Default.
  3. Disable and Re-Enable NLA Settings Via System Settings.
  4. Disable and Re-Enable NLA Settings Via PowerShell.

How do I enable Network Level Authentication?

Enable Network Level Access For Windows RDP

  1. Navigate to the following: Computer Configuration. – Administrative Templates. — Windows Components. — Remote Desktop Services.
  2. Doubleclick on “Require user authentication for remote connections by using Network Level Authentication”
  3. Check ‘Enabled’. Apply. Save.

How do I turn off NLA Network Level Authentication?

Post-installation Steps to Disable NLA

  1. Right-click on the RDP-Tcp connections to open a Properties window.
  2. Under the General tab, clear the Allow connections only from computers running Remote Desktop with Network Level Authentication check box.

Why is NLA not working?

NLA errors often occur when the instance has lost connectivity to a domain controller because domain credentials aren’t authenticated. To fix this issue, you can use the AWS Systems Manager AWSSupport-TroubleshootRDP automation document. Or, you can disable NLA on the instance.

Why is NLA important?

The advantages of Network Level Authentication are: It requires fewer remote computer resources initially, by preventing the initiation of a full remote desktop connection until the user is authenticated, reducing the risk of denial-of-service attacks.

Is NLA secure?

There are some security advantages to enabling NLA, but one of the drawbacks is that users with expired passwords are prevented from logging on to the remote system. More information about NLA and RDP can be found at the Microsoft site and on Wikipedia.

How do I change my NLA settings remotely?

To disable NLA remotely:

  1. Open regedit on another computer on the same network.
  2. Under the File menu click “Connect Network Registry…”
  3. Enter your computer name and click Ok.
  4. Scroll down in the left pane to find the newly added server.
  5. Find the value “SecurityLayer” and change the data to 0 (that is a zero).

Is NLA enabled?

NLA can be enabled or disabled on the target device by accessing one of the paths below: Settings app > System > Remote Desktop > toggle Enable Remote Desktop ON > click Confirm at the window that appears > Advanced Settings > select Require computers to use Network Level Authentication to connect (recommended)