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Follow the instructions below to generate new single-use codes. These instructions apply when using a mobile device for two-factor authentication.

Step-by-step guide

1. Navigate to the IST two-factor authentication (2FA) website: https://uwaterloo.ca/2fa 

2. Under the section Select a second-factor tool and manage your devices, click add a device or manage an existing device (right-hand column) and log in.
   (If Duo automatically attempts to send a push to your mobile device, click Cancel at the bottom of the screen)

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3. Click Enter a Passcode but do not type in a passcode

4. In the bottom-right corner, click Text me new codes

5. This will send a text with a set of single-use codes to your mobile device

6. You will also receive an email to confirm/verify that new codes were requested.

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