Resetting Azure MFA Registration
Users occasionally lose access to their Multifactor Authentication (MFA) source, possibly by purchasing a new phone or changing phone numbers. When this happens, they are locked out of any resource that requires MFA. In these cases, they need to re-register for MFA with their new source. Here are the steps to reset MFA registration for a user in Azure: NOTE: to reset a user’s MFA registration, the account performing the following actions must be in the Authentication Admin or Global Admin role.