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No date in the announcement Microsoft 365 Message Center, via Microsoft 365 Message Center Archive by Merill Fernando · Microsoft Entra

Action required: Prepare users who can’t use passkeys for SMS and voice retirement

Microsoft 365 Message Center Archive by Merill Fernando

Microsoft 365 Message Center announced it on 5 Nov 2026; its title names no date, so check the announcement for one.

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  1. 15 Sep 2026 Message Center noticeMC1426371: (Updated) Microsoft Entra: Passkeys by default and retirement of Microsoft-provided SMS and voice authentication Microsoft 365 Message Center Archive by Merill Fernando
  2. 5 Nov 2026 Announced · Microsoft 365 Message Center Archive by Merill FernandoAction required: Prepare users who can’t use passkeys for SMS and voice retirement Microsoft 365 Message Center Archive by Merill Fernando
  3. 5 Nov 2026 Message Center noticeMC1540327: Action required: Prepare users who can’t use passkeys for SMS and voice retirement Microsoft 365 Message Center Archive by Merill Fernando

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ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 19:06 UTC · 254 of 275 readable · 250 fully read · documentation 468/469 current

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