Use the steps below if you are having trouble signing in to Duo using a passcode.
If you are using a passcode previously texted to you:
Make sure you are entering the correct code. At the bottom of the screen, there is a blue banner that says, "Your next code starts with __" Passcodes
can only be used once before they expire.
b. Make sure you are using the most recent passcode sent to your device. Once you send yourself a passcode, the old passcodes are invalidated.
Note: If you are not sure whether you are using the correct passcode, you can push the button,
Text me new codes, and you will be sent a new
Note: You can only receive text messages to cell phones (not landlines or office phones).
2. If you are using the Duo Mobile app:
a. Open Duo Mobile.
Click on the key icon next to
University of Cincinnati
Type the 6-digit code into the box on the Duo log-in screen.
Note: This option works even if data or Wi-Fi are unavailable.
If you are using a bypass code:
Make sure that you are typing in the code you were given.
Make sure that your bypass code has not expired.
Note: If you do not know whether your bypass code has expired, please contact
the Integrated Service Desk at 513-556–HELP (4357).
Make sure that you have clicked
Enter a bypass code or
Enter a passcode, clicked inside the box, typed the code given to you, and then pushed
4. Other notes:
Until you click
Enter a passcode, there will not be a place to type in a passcode. Make sure you click
Enter a passcode (or
Enter a bypass code) before
you try to type in a passcode.
If you keep trying a certain method and it is not working:
Try one of the other methods instead: SMS Passcodes, Duo Mobile, or Hardware token. You can also try
Send me a Push (if you have a
smartphone or tablet) or
Call Me (if you have a cell phone, smart phone, landline, or office phone).
c. Passcodes are specific to your account and are non-transferrable. Using another person's passcode will not work.
If you need further assistance, please contact the Integrated Service Desk at 513-556–HELP (4357).