Why is my personal number used by authenticator to call other people with their codes?

Sebastiaan Van Essen 1 Reputation point

My coworker asked me why my number is showing on her phone as the number calling her for her code every day. It seems Microsoft is spoofing my number to call out. I am getting dozens of return calls every day and my coworker is confused every time she uses MFA and I come up as contact to call her with her code.

Azure Active Directory
Azure Active Directory
An Azure enterprise identity service that provides single sign-on and multi-factor authentication.
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  1. Vasil Michev 71,216 Reputation points MVP

    There's a setting within the Azure AD blade that allows you to specify the CallerID, so check for that: