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You can add devices to your account by authenticating to the MFA Portal using your O-Key credentials. Once you have authenticated, you will be prompted to verify or setup your account. You can then add a new mobile device.


  1. Open a web browser (such as Microsoft Internet Explorer, Microsoft Edge, Mozilla Firefox, Google Chrome, Apple Safari, etc.) and visit the MFA Portal.

  2. Once the page loads, you can verify the site is authentic by checking the site's Extended Validation (EV) certificate.

  3. Login using your O-Key login address (example: and O-Key password.

  4. After you have authenticated successfully:

    1. If this is the first time you have authenticated to the MFA Portal and\or do not have any devices setup, the text "Protect Your Oklahoma State University Account" should appear across the top of the page. Click the Start Setup button.

    2. If you already have devices setup in the MFA Portal, you will be presented to either choose a device to authorize your account or your default device will be contacted for authorization automatically.

    3. Automatic authorization

  5. Once you have verified the authentication by the selected method, you will be presented with the MFA Portal page.

  6. Click the Add Devices link within the Setup section. You may have to authorize your login again if you have other devices setup on your account.

  7. Click the +Add another device link below the list of devices.

  8. On the next page, titled What type of device you are adding, select the Mobile phone device type from the list of options.

  9. Click Continue.

  10. Select the country (such as United States) where the phone number resides from the drop down box towards the top of the page.

  11. In the field below the country drop down box, enter the mobile phone number (including area code) that authorization codes will be sent.

  12. After you have typed in the phone number in the text box, a phone formatted version of the number you typed in will appear.  Check the box to the left of the formatted version of the phone number.

  13. Click Continue.

  14. On the next page titled What type of phone is…, select your mobile device type from the list of options. If your mobile device type is not listed, select Other.  Click the Continue button.

  15. If you selected a device type besides Other, and you do not have Duo installed on your device, you will be given directions to download the Duo Mobile app. Follow the on-screen instructions to install the app for your device.

  16. If you already have Duo downloaded to your device, click the "I have Duo Mobile Installed" button. For directions on installing the Duo App on your mobile device, follow the directions located here.

  17. Use the MFA app on your tablet to scan the QR code that you are presented with on the next page. 

  18. Once you scan the QR code, and a green check mark appears on top of the QR code, click the continue button.

  19. The next page should display the added device under the My Settings & Devices heading. Below the list of devices, you can change the default device that will be used by MFA as well as how MFA will send authorizations to your device.

  20. If you set the When I log in drop down box to "Automatically send this device a Duo Push", you will receive a push each time you attempt to authenticate to a protected system. There is an option when logging into protected systems that will remember your login and authorization for thirty (30) days. To check the Remember option, you will need to click the Cancel button in the blue bar across the bottom of the page and then check the option when authenticating.

  21. When you are finished configuring the new mobile device on the My Settings & Devices page, scroll to the bottom of the page and click the Save button.

  22. The Save button text should change to Saved when the changes have been applied to your account. You can now close the browser tab\window or click the Add another device link below the list of devices on the My Settings & Devices page.

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