
It is important to configure a secondary authentication phone number. In this case, you would select Call me at +X XXXXXXXX30

To sign in using the alternate phone number, sign-in as you normally would, then simply choose Use a different verification option. One ending in 67 and the second ending in 30.

Notice in the screen shot above, two phone numbers have been setup. If you have specified a secondary authentication phone number you can sign-in using it. The first is, if you have setup an alternate authentication phone number you can use this to get back into your account and change your security settings.

In order to get back into your account you have two options. If your phone was lost or stolen, it is recommended that you have your administrator reset your app passwords and clear any remembered devices. Including this information will help us to solve your problem as quickly as possible. Information about the user – was the user federated, password hash synced, cloud only? Did the user have an Azure AD Premium, Enterprise Mobility, or Azure AD Basic license assigned? Is the user using Office 365? etc. User ID – what was the ID of the user who saw the error (e.g.Timestamp – what was the precise date and time you saw the error (include the timezone)?.Correlation ID – what was the correlation id code generated when the user saw the error.SessionId - the specific session id you are receiving.ErrorCode - the specific error code you are receiving.Page – what page were you on when you saw the error (include the URL)?.General description of the error – what exact error message did the user see? If there was no error message, describe the unexpected behavior you noticed, in detail.When you contact support, it is recommended to include the following information: If you've tried the troubleshooting steps below and are still running into problems, you can post a question on the Azure AD Forums, Search the Microsoft Knowledge Base (KB) or contact support and we'll take a look at your problem as soon as we can. How do I clean up Azure Authenticator from my old device and move to a new one?.I have a new phone and need to change my phone number.

The following information is provided to help you with some of the common issues that you may experience. If you do not find an answer to your issue on this page, please provide detailed feedback so that we can get this added. Having trouble with Azure Multi-Factor Authentication
