If you receive the following error when attempting to log in, please follow the steps below to remedy the situation.
After you select Next, a Keep your account secure wizard appears, showing the first method your administrator and organization require you to set up.
For this example, it's the Microsoft Authenticator app.
Select Download now to download and install the Microsoft Authenticator app on your mobile device, and then select Next. For more information about how to download and install the app for the Apple App Store or Android Store.
Note: Once this is set up, you can choose to use other methods in the future (text or email), but this initial authenticator setup cannot be skipped.
Open the Microsoft Authenticator app, select to allow notifications (if prompted), select Add account from the Customize and control icon on the upper-right, and then select Work or school account.
Return to the Set up your account page on your computer, and then select Next. The Scan the QR code page appears
Using your phone scan the provided code with the Microsoft Authenticator app QR code reader.
If the QR code reader can't read the code, you can select the Can't scan the QR image and manually enter the code and URL into the Microsoft Authenticator app.
Approve the notification in the Microsoft Authenticator app, and then select Next. Your security info is updated to use the Microsoft Authenticator app by default to verify your identity when using a two-step verification or password reset.
On the Phone set up page, choose whether you want to receive a text message or a phone call, and then select Next. In this example we're using text messages, so you must use a phone number for a device that can accept text messages. A text message is sent to your phone number. If would prefer to get a phone call, the process is similar.
Enter the code provided by the text message sent to your mobile device, and then select Next.
Review the success notification, and then select Done.