Microsoft Entra ID
GeneralConnect Install Prerequisites
In brief
The required minimum version changed from 2.5.79.0 to 2.6.84.0. Administrators must also configure application-based authentication by April 7, 2027.
What Entra admins need to know
Upgrade Entra Connect Sync and configure application-based authentication by the deadline to prevent synchronization services from stopping when legacy authentication is retired.
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Documentation change
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This article describes the prerequisites and the hardware requirements for Microsoft Entra Connect.
@@ -12,7 +12,7 @@ ms.subservice: hybrid-connect This article describes the prerequisites and the hardware requirements for Microsoft Entra Connect. >[!IMPORTANT]->**Mandatory upgrade required:** Upgrade Microsoft Entra Connect Sync to version 2.5.79.0 or later and configure application-based authentication by April 7, 2027. Legacy authentication is being retired, and synchronization services will stop working after this date if these requirements aren't met.+>**Mandatory upgrade required:** Upgrade Microsoft Entra Connect Sync to version 2.6.84.0 or later and configure application-based authentication by April 7, 2027. Legacy authentication is being retired, and synchronization services will stop working after this date if these requirements aren't met. > >If synchronization stops, upgrade to the latest version and configure application-based authentication to restore service. The Microsoft Entra Connect Sync .msi installation file is exclusively available on [Microsoft Entra Admin Center](https://entra.microsoft.com/#view/Microsoft_AAD_Connect_Provisioning/AADConnectMenuBlade/%7E/GetStarted). Make sure you meet the minimum requirements including .NET Framework 4.7.2 and TLS 1.2.