A new window will prompt you to plug your U2F Token into an available USB port on your computer.Click Continue to proceed with enrolling a U2F Token.To enable pop-ups in Google Chrome see, Block or Allow Pop-ups in Chrome. When you get to the next page, make sure you have pop-ups enabled before clicking continue.On the next screen, choose U2F Token and click Continue.When logging into an Emerson service or application that requires two factor authentication (more information on 2FA and Duo here: Duo, Single Sign-On, & Two Factor Authentication) for the first time you will be prompted to set up Duo. U2F tokens are available at and can be used for personal and business use. When using Duo, instead of receiving a push notification, text message, or call, a user can plug in the U2F Token and tap the button on it to authenticate their login attempt. A U2F Token is a piece of hardware (looks like a USB drive) that can clip on a keychain. 10:06 MFA Without the Authenticator App for Azure AD and Microsoft 365 Travis Roberts 7. Users who do not have a cellphone or are unable to use the Duo mobile app to receive push notifications, can request a U2F (Universal 2nd Factor). You can use a Yubikey to configure MFA on Microsoft 365.

Duo yubikey