Microsoft Entra ID
GeneralConnect Version History
In brief
The required Microsoft Entra Connect Sync version is now 2.6.84.0 or later, with application-based authentication configured by April 7, 2027. Legacy authentication retirement will stop synchronization services after that date if requirements are unmet.
What Entra admins need to know
Upgrade Connect Sync and configure application-based authentication before April 7, 2027 to prevent synchronization from stopping.
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Documentation change
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This article helps you keep track of the versions that have released and the changes in those versions.
@@ -18,7 +18,7 @@ The Microsoft Entra team regularly updates Microsoft Entra Connect with new feat This article helps you keep track of the versions that have released and the changes in those versions. >[!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.