Microsoft Entra ID: Follow-up on SMS first-factor sign-in retirement and upcoming changes

MC1474104 · published Sep 18, 2026 · 0 replies

Microsoft is retiring SMS first-factor sign-in for Microsoft Entra ID workforce tenants worldwide starting February 1, 2027, to enhance security. Organizations must identify affected users, migrate them to phishing-resistant methods like passkeys, and update policies to avoid sign-in disruptions and comply with new requirements.