What's changing
Upcoming Microsoft retirements and deadlines that affect Entra ID, Intune, Exchange Online and Windows admins. Every entry links to its official source.
Subscribe once in Outlook or Google Calendar and new deadlines appear automatically, with a reminder two weeks before each.
- Entra ID129 days ago
Hard match blocked for users with Entra roles
Connect Sync and Cloud Sync can no longer hard-match a new AD user to a cloud user that holds an Entra role.
- Entra ID37 days ago
Passkeys auto-enabled for SMS and voice users
Passkeys are switched on for users enabled for SMS or voice, and a Microsoft-managed registration campaign starts nudging them.
- Exchange Online7 days ago
EWS disabled by default
Microsoft switches the tenant-level EWSEnabled setting to off, blocking Exchange Web Services for tenants that have not explicitly opted in.
- Windowsin 5 days
Windows Server 2012 / 2012 R2 Extended Security Updates end
The final year of paid ESUs ends. No further security updates are produced.
- Windowsin 5 days
Windows 11 24H2 Home and Pro end of servicing
Monthly security updates stop for Home and Pro editions on version 24H2.
- Entra IDin 22 days
Third-party SMS and voice providers available
Telephony providers become configurable in the Microsoft Security Store for organisations that must keep SMS or voice.
- Windowsin 33 days
Windows 11 23H2 Enterprise and Education end of servicing
Managed devices still on 23H2 stop receiving security updates.
- Exchange Onlinein 84 days
SMTP AUTH basic authentication off by default
Microsoft has said end of December 2026 without giving a day. Apps sending mail with a username and password need OAuth or another method.
- Windowsin 96 days
Windows Server 2016 end of extended support
Security updates end unless you buy Extended Security Updates.
- Entra IDin 116 days
Microsoft-provided SMS and voice MFA retired
Applies to all users except Global Administrators and external users. Anyone relying only on SMS or voice must register a passkey.
- Exchange Onlinein 175 days
EWS permanently retired
Final disablement of Exchange Web Services in Exchange Online begins, with no exceptions. Microsoft expects removal to be complete in May 2027.
- Entra IDin 266 days
SMS and voice retirement for Global Admins and external users
The final phase of the Microsoft-provided SMS and voice retirement.
Dates are as published by Microsoft and can change. Last checked 8 Oct 2026.