Reactivating a device after a reset or replacement


Follow these steps if you need to reactivate the Authenticator app on a smart phone or tablet after a factory reset or after replacing the device with a new one that has the same phone number.

Note: If you are replacing your only registered device with a new phone number, please contact the IT Service Desk for assistance.


Mobile device


Remove old devices (for new phones):

  1. Log into the with your full email address and OHIO password.

  2. Select Security info on the left side of the page.

  3. Delete the Microsoft Authenticator for your old device.

  4. Select Add method at the top of the box.

  5. Choose Authenticator app from the dropdown menu and follow the steps to set up the Authenticator app,

Set up the Microsoft Authenticator app (for new and reset phones):

  1. On your phone, download and install the Microsoft Authenticator app.

  2. In the app, log in using your email address and password if prompted. If not prompted to log in, select the three dots and then + Add account.

  3. Select Work or school account and then Sign in.

  4. During sign in, it will ask you to verify yourself. Select I can't use my Microsoft Authenticator app right now to receive a text or call to verify your identity.

Outcome: You should now be able to use the Microsoft Authenticator app on a new or reset mobile device.

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Article ID: 309
Mon 4/18/22 4:23 PM
Mon 11/14/22 1:44 PM