How Does Rublon for Windows Logon Work With Network Level Authentication (NLA)?

Modified on Wed, 07 Feb 2024 at 10:39 AM

Network Level Authentication (NLA) is a Remote Desktop Protocol (RDP) feature that requires users to authenticate before establishing a session with the RDP server. NLA is optional but recommended as a countermeasure against denial of service attacks.


When NLA is enabled, the RDP client prompts a user for credentials in a local system dialog before establishing a session and displaying the Remote Desktop window.


When NLA is disabled, the RDP client connects to the RDP server, establishes a session, and only then asks a user to enter their credentials in the Remote Desktop window.


If you installed Rublon for Windows Logon on a system with NLA enabled, then:

  1. The RDP client asks the user for their credentials in a local system dialog.

  2. If Windows user name and password are correct, the RDP client establishes a Remote Desktop session.

  3. The Rublon Prompt appears within the Remote Desktop window.

  4. After completing the second factor, you get access to the machine.


If you installed Rublon for Windows Logon on a system with NLA disabled, then:

  1. The RDP client connects to the RDP server and starts a Remote Desktop session.

  2. The Remote Desktop window asks you to enter your Windows user name and password.

  3. If your Windows user name and password are correct, the Rublon Prompt appears for the second factor.

  4. After completing the second factor, you get access to the machine.


Helpful Links

Rublon MFA for Windows Logon and RDP


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