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- First, install the Duo mobile app on your iOS/Android device.
- To install on iOS, see: https://guide.duo.com/iphone
- To install on Android, see: https://guide.duo.com/android
- Next, visit https://duo.security.ncsa.illinois.edu.
- Select Launch Device Management Portal.
- Log in with one of the following options:
- If you still have your old phone, use the "Send me a Push" or "Enter a Passcode" option with your old phone.
- If you have a security key, use that to log in.
- If you have a backup code, use that to log in.
- Set up your new phone using one of the following options:
- Select "Device Options" to "Reactivate Duo Mobile" on your new phone.
- Delete your old phone from the list, then select "Add another device" to add your new phone.
Can I use SMS as a Duo authentication method?
No, NCSA has disabled the SMS authentication method for our Duo deployment due to the security weaknesses of that method. See NIST is No Longer Recommending Two-Factor Authentication Using SMS for references on this topic.
Where can I get additional help?
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