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// deadlines · Entra ID
Entra Connect Sync must use app-based authEntra ID · 7 Apr 2027
Legacy authentication for Entra Connect Sync is retired, and sync stops working unless the server runs version 2.6.84.0 or later with application-based authentication configured. Upgrade and switch the authentication method before this date.
In short: this takes effect on 7 Apr 2027. That's 153 days from when this page was built.
Time left
Countdown to 7 Apr 2027 (UTC).
What to do
- Read the official notice: Microsoft source ↗.
- Follow the step-by-step guide: Entra Connect Sync is on its way out. Start planning for Cloud Sync..
- Add every Microsoft deadline to your calendar: subscribe to the deadlines calendar.
Other upcoming Entra ID deadlines
- 1 Feb 2027 Microsoft-provided SMS and voice MFA retired
- 2 Feb 2027 Entra Connect 2.5.190.0 reaches end of support
- 1 Jul 2027 SMS and voice retirement for Global Admins and external users
- 1 Jul 2027 Microsoft-provided SMS and voice MFA retired for Global Administrators and external users
Sources