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In an emergency, when you don't have any of your Duo options available to you, call the IT Help Desk at 847-491-4357 (1-HELP) for an emergency bypass code. Ask for a Duo two-factor emergency bypass code. You will be asked to verify your identity by providing unique personal information.
Using a Duo bypass code
- When prompted to "Verify your identity" via Duo, click "Other Options"
![](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=4bc555f9-55cc-4944-ad8e-991d7da30221.JPG&beidInt=2)
- Click on "Use Duo Mobile passcode"
![](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=25c68a38-8b31-452f-b703-bcbbe9e50e2e.png&beidInt=2)
- Type in the Duo bypass code in the Passcode field that was provided by the IT Service Desk
![](https://services.northwestern.edu/TDPortal/Images/Viewer?fileName=ead0801d-cc7d-45f4-9c84-c5e2b8f68394.JPG&beidInt=2)
- Click Verify