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Duo - Reactivate My Phone

How to reactivate your phone for Duo.

Duo - Sideloading

Side loading instructions and information for Android devices.

Duo - Can't Find Duo Mobile App in the App Store

Troubleshoot problems installing the Duo Mobile app.

Duo - Use a Security Key or Yubikey (USB authentication device)

Duo - I Can't Login - Troubleshooting and Errors

Troubleshoot common Duo login issues.

Duo – Passcodes Disabled May 8

Passcode authentication, which uses a numeric passcode generated by a hardware token or the Duo Mobile app, will no longer be available starting May 1, 2024. This method has been identified as vulnerable to phishing attacks. If you use passcodes generated by a hardware token or Duo Mobile, please switch to a different authentication methods.

Duo - Change to Duo Login Screen - Fall 2023

Duo - Push Notifications Not Working

How to resolve Duo push notification issues.

Duo - Adding Touch ID as Duo Device

Duo - Manage Your Devices

How to add, remove, reactivate or deactivate Duo devices.

Duo - Replace a Phone

How to replace a phone used for Duo two-step authentication.

Duo - Sign-Up with a Mobile Device

Using Duo with a mobile device is the recommended option.

Duo - Sign Up and Device Options

Get signed up for Duo two-step login!