Help for Two-Step Login (Duo)

• If you see the "Protect Your Indiana University Account" screen
• Get started with Two-Step Login (Duo)
• Manage devices and settings
• Use the service
• Troubleshoot
• More information

If you see the "Protect Your Indiana University Account" screen

If you log into CAS and see the "Protect Your Indiana University Account" screen, you'll need to enroll a device for Two-Step Login (Duo) before completing your login. For step-by-step instructions, choose the type of device you'd like to enroll: Smartphone (iOS, Android, Windows) Tablet (iOS or Android) Cell (simple) phone U2F token Landline Google Voice phone number Smartphone without using a phone number Note: If you don't have any of these devices, contact the Support Center.

Get started with Two-Step Login (Duo)

• About Two-Step Login (Duo) at IU
• Recommended devices
• Get started with Two-Step Login (Duo) at IU

Manage devices and settings

• Manage your Two-Step Login (Duo) devices and settings, including instructions for how to:
  • Add a device
  • Remove a device
  • Set or change your default device
  • Set up automatic Push/Call notifications
  • Add a new number for an existing phone
  • Reactivate Duo mobile
  • Remove an account from Duo Mobile
• Enroll a new smartphone in Two-Step Login (Duo) using your existing phone number
• Restore Two-Step Login accounts in the Duo Mobile app on a new device

Use the service

• Watch videos about using Two-Step Login (YouTube)
• Use Two-Step Login (Duo) while traveling, or in areas with poor cellular/wireless reception or in airplane mode
• About U2F tokens for Two-Step Login (Duo)
• About single-button hardware tokens for Two-Step Login (Duo)
• Best practices for group accounts
• Use Two-Step Login (Duo) with a group account
• About using Two-Step Login (Duo) every time you log into CAS

Troubleshoot

• Problems logging into CAS
• If your Two-Step Login (Duo) device is not with you, or is lost or stolen
• Use Two-Step Login (Duo) while traveling, or in areas with poor cellular/wireless reception or in airplane mode
• Problems with Two-Step Login (Duo) notifications
• Known issues and troubleshooting for Two-Step Login (Duo) at IU
• If you get a Two-Step Login (Duo) request that you didn't initiate

More information

• Watch videos about using Two-Step Login (YouTube)
• About international phone numbers and Two-Step Login (Duo) at IU
• Office phones and Two-Step Login (Duo)