VPN Information for Windows

Using DUO for Two-Factor Authentication

Beginning April 25, 2018, connecting to CSU using Pulse Secure and secure.colostate.edu will not only require you to log in with your eID and Password, but will also require you to verify your identify using a second factor device (your cell phone, a land line, or a hardware token).


  • Download the Duo Mobile App to your smartphone. If you don’t have a smartphone or prefer not to use it for CSU business, you can skip this step.
  • From your desktop or laptop computer, connect to the webpage https://authenticate.colostate.edu and review the documentation and FAQs – especially if you travel or work internationally, or if you use Pulse Secure.
  • Click on the “Sign Up/Modify Devices” button and follow the instructions to register your second device. If you don’t plan to use a smartphone, register your CSU desk phone. Alternatively, hardware tokens that you can carry with you are available for purchase through RamTech. To learn more, visit ACNS DUO help
  • Return to the ACNS DUO page and click on the “Test Your Account” button to make sure it all works.



Pulse Secure SSL VPN

These instructions are provided as a courtesy. The Pulse Secure VPN is supported by ACNS, not ENS. Please contact ACNS if you have any issues with this tool

  1. Download the version for Windows 32bit/64bit here. Be sure to download the “Pulse Client manual installer VPN” client.
  2. Double click on the file and install Pulse Secure. Just take all default settings during the installation.
  3. After the install finishes, you should see new icon in the lower right corner of your screen in the system tray.
  4. Click on the Pulse icon and select “Open Pulse Secure”. Click on the “+” icon.                   
  5. In the next window, keep the default type as “UAC or SSL-VPN”.
    1. For name you can put in what you want. In the following example we use “CSU”
    2. The server URL is: https://secure.colostate.edu/2fa                                                         
  6. Click to “Add” button. You should now see the following:

    At this point, click the “Connect” button and login with your CSU eID and password.
  7. In the next window, click the “Save settings” check box, then click the “Connect” button.
  8. At this point a request for a Secondary password will pop up. This is DUO Secondary Authentication. Please go to ACNS’s DUO website if you have not set up DUO.
  9. After you successfully enter your password and DUO information, you should get a green check showing you are connected. Keep in mind, every time you update your eID password, it will not automatically update in Pulse. You will need to manually enter in and save the new entry.
  10. From here you are now ready to start up RDP client to connect to the Virtual Lab.
  11. IMPORTANT! Before Pulse can connect, it will need you to supply your second authentication factor that you setup using DUO. Once you have supplied this, Pulse will fully connect to the CSU network.