Entra Is Retiring SMS and Voice MFA: Passkeys Are Already the Default and the Cutoff Is February 1, 2027 Microsoft Entra stops delivering SMS and voice MFA on February 1, 2027, and passkeys became the default on September 1, 2026. The dates, how to find phone-only users, the one temporary opt-out, and a real Graph 403 from my lab. Oct 20, 2026 7 min read Azure
