Duo Authentication for Remote Desktop Gateway adds two-factor authentication to your RemoteApp Access logons, and blocks any connections to your Remote Desktop Gateway server(s) from users who have not completed two-factor authentication when all connection requests are proxied through a Remote Desktop Gateway. Users automatically receive a 2FA prompt in the form of a push request in Duo Mobile or a phone call when logging in.

I am going to show you how to deploy it for Windows Server 2019 Microsoft Remote Desktop Gateway.

1.Login in to the Duo Admin Panel.

2.On the Dup Panel, select Applications.

3.On the Applications page, click Protect an Application.

4.On the Protect an Application page, type Microsoft at search bar, locate the entry for Microsoft RD Gateway in the applications list, click Protec.

5.On the Microsoft RD Gateway page, click Click to view at Secret key.

6.To get the integration key, secret key, and API hostname. You’ll need this information to complete your setup at RD Gateway server.

7.Login to Windows RD Gateway Server.

8.Open PoweShell run as administrator.

9.Run below cmdlet to install .Net framework.

Import-Module ServerManager

Add-WindowsFeature NET-Framework-Core

10.Run below cmdlet to install ASP.NET 4.5 support for IIS.

Add-WindowsFeature NET-Framework-45-ASPNET

11.Download Duo Authentication for Remote Desktop Gateway Installer Package via following link.


12.Run the Duo Authentication for Remote Desktop Gateway Installer with administrative privilege, On the Welcome page, click Next.

13.On the Duo Security Integration Details page, enter the integration key, secret key, and API hostname, click Next.

14.On the Ready to install page, click Install.

15.On the Completed page, click Finish.

Hope you enjoy this post.

Cary Sun

Twitter: @SifuSun

Web Site: carysun.com

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