Carnegie Mellon University

Register to Use 2fa

In order to use 2fa, new users must register for the service and then designate a device for identity confirmation.

Have the following ready:

  • The device you want to register (mobile smart phone, tablet, or U2F token (Yubikey))
  • Your Andrew userID and password
  • Your CMU card number OR the personal email address on file with the university if a card has not been issued

Note: Once the registration process has started, it must be completed.

  1. Go to the Two-Factor Authentication Self-Service (2fa) tool.
  2. Login with your Andrew userID and password.
  3. Enter one of the following and click Submit
    • CMU card number (staff, faculty and students)
    • Personal email address on file with the university
  4. Follow the onscreen instructions to complete the registration process for your device.
  5. For mobile phones and tablets, download and install the DUO mobile app on your device using the appropriate link: iPhone/iPad | Android | Windows Phone .
    Note: Installation is not required for U2F tokens.

When registration is complete, you can: