Microsoft Entra Will Switch Off SMS First-Factor Sign-In in Tenants Where Nobody Uses It, With the Rollout Ending in Late November: Check Your Setting and Who Depends on It (MC1465763) Microsoft will disable SMS first-factor sign-in in Entra tenants with no recent successful use. See the 30 day rule, the exact setting path and how to move users to a passkey first. Nov 2, 2026 4 min read Azure
