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Authenticate with Duo Mobile (Push)


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Authenticate with Duo Mobile (Push)

Owned by Frank Gonzales
Last updated: Mar 18, 2025 by Frank Gonzales
4 min read

Duo Push is the easiest, quickest, and most secure way to authenticate. A login request will be sent to your mobile device using the Duo Mobile app. See below to find out how to get set up and what the experience looks like when authenticating.

First Time Set Up Duo Mobile:

From Cal Poly Portal

  1. Log in to the My Cal Poly portal.

  2. Go to the Personal Info tab > Personal Info portlet > Authorized Devices > Multi-factor Authentication > Edit.

    Cal Poly Portal page with Authorized Devices outlined in red.

     

     

  3. You will be prompted to authenticate with a currently enrolled device. Choose your preferred method and complete the verification process on your device.

  4. Click Add a device.

    Add-a-Device.png

  5. Select Duo Mobile

    Select-Duo-Mobile.png

  6. Enter your phone number and click Continue.

  7. Review your info and click Yes, it’s correct to confirm.

  8. On your mobile device, download/install the Duo Mobile app from the App Store or Google Play.

  9. Click Next.

    Duo-Click-Next.png

  10. Open the Duo Mobile App on your phone. Click Add>Use QR Code.

  11. Point your phone at the on-screen QR code until you receive a confirmation screen with the check mark.

    Duo-scan-checked.png

  12. Click Continue to finish the process.

    Duo-Mobile-Added-Continue.png

From Cal Poly MFA Enabled Application

  1. When you first attempt to access a Cal Poly application (that is Duo/MFA-enabled), you will see a Welcome to Duo Security prompt. Click Next.

    Welcome to DUO Security. Next button outlined in red.

     

    Subsequent screens will present information about the importance of MFA. Click through those until the Select an option prompt appears…

    Duo Universal Prompt. Duo-Mobile outlined in red.

  2. Select Duo Mobile.

  3. Select your country from the drop-down list and type your mobile phone number, and then click Add phone number.

    Enter your phone number prompt. Phone number field and Add phone number button highlighted in red. in

     

  4. If you entered a phone number, double-check that you entered it correctly and click Yes, it's correct.

    Is this correct prompt. Yes its correct outlined in red.

  5. Choose how you want to receive the code and enter it to complete verification and continue.

  6. Download and install Duo Mobile on your phone or tablet from the Apple App Store. Once you have Duo Mobile installed click Next.

    Now download the Duo app prompt. The Next button outlined in red.

  7. Open the Duo Mobile app on your phone or tablet and add this account by pointing your phone directly towards the QR code shown on-screen.

    San this code in Duo Mobile prompt. QR code outlined in red.

If you aren't able to scan the QR code, tap Get an activation link instead and then enter your email address to send the activation link to yourself. Follow the instructions in the email to activate the new account in Duo Mobile.

  1. When you receive confirmation that Duo Mobile was added click Continue.

    Added Duo Mobile prompt. Continue button outlined in red.

     

    You can now log in to Cal Poly MFA/Duo-enabled applications.

To Authenticate with DUO Push:

  1. When you attempt to access a Cal Poly application (that is Duo/MFA-enabled), you will see a Cal Poly login screen. Enter your username and password, then click Login.

    Cal Poly login screen. Login button outlined in red.

     

  2. The Enter code in Duo Mobile prompt screen appears.

    Screeshot of Enter code in Duo Mobile screen. Code displayed as 690.

  3. Open the Duo Molbile app on your phone, and type the verification code, then tap Verify button.

    Screeshot of Enter code in Duo Mobile App. Code number 690 is typedi the the green outlined fields. The Verify button is also highlighted in green.



  4. You will see Congratulations! Logging you in… on the screen confirming you have authenticated and your identity has been verified.

    IMG_0048.PNG

    Ckick the OK button.





IMPORTANT: Only approve requests that you have initiated. If you have not initiated a push notification, DO NOT approve it.

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