Connect Version History
In brief
The 2.6.90.0 release adds a guided migration workflow from Microsoft Entra Connect Sync to Cloud Sync, including assessment, agent setup, staged activation, validation, and rollback. It is available only in the Azure public cloud.
What Entra admins need to know
Administrators using recalled version 2.6.79.0 should uninstall it and install version 2.6.90.0. Upgrades involving an existing ADSync database should use version 2.6.90.0 or later.
This editorial summary was generated by AI from the documentation changes. Verify important details in the full Microsoft Learn article.
Documentation change
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description: This article lists all releases of Microsoft Entra Connect and Azure AD Sync.
ms.assetid: ef2797d7-d440-4a9a-a648-db32ad137494
ms.topic: reference
ms.date: 09/02/10/2026
ms.subservice: hybrid-connect
ms.custom: no-azure-ad-ps-ref, sfi-ga-nochange
ai-usage: ai-assisted
|2.5.190.0|02 Feb 2027 (12 months after release of 2.6.1.0)|
|2.6.1.0|10 Mar 2027 (12 months after release of 2.6.3.0)|
|2.6.3.0|07 Jul 2027 (12 months after release of 2.6.84.0)|
|2.6.84.0|TBD15 Sep 2027 (12 months after release of TBD)2.6.90.0)|
|TBD2.6.90.0||
All other versions are not supported
To read more about autoupgrade, see Microsoft Entra Connect: Automatic upgrade.
TBD2.6.90.0
Release status
09/15/2026: Released for download via the Microsoft Entra admin center.
Added features
- Added a guided migration workflow from Microsoft Entra Connect Sync to Microsoft Entra Cloud Sync. The workflow includes configuration assessment, provisioning agent setup, staged activation, validation, and rollback. This feature is available only in the Azure public cloud.
- Added support for the Delos sovereign cloud environment, including Pass-through Authentication, Seamless Single Sign-On, password writeback, and Health Agent monitoring.
Updated features
Passwordless authentication in the Microsoft Entra Connect setup wizard is now generally available and enabled by default. The Windows Web Account Manager prompt supports passkeys, FIDO2 security keys, and passwords, reuses the signed-in session across Microsoft Entra services, and preserves Seamless Single Sign-On Kerberos key rotation. Learn more.
Cloud configuration cmdlets no longer require an explicit
-AADUserName. When you omit the parameter, Microsoft Entra Connect derives a sign-in hint from the connector configuration and opens an interactive sign-in prompt. This behavior applies toSet-ADSyncAADCompanyFeature,Set-ADSyncAADPasswordSyncState,Enable-ADSyncExportDeletionThreshold,Set-ADSyncScheduler, andSet-ADSyncDirSyncConfiguration.The Select Containers dialog in Synchronization Service Manager is now read-only. You can still use the dialog to view the current selections. To make changes, use Customize synchronization options in the Microsoft Entra Connect wizard. Learn more.
The Generic LDAP connector wizard now validates the TLS server certificate chain and server name.
Updated the bundled SQL Server 2022 LocalDB from version 16.0.4250.1 to 16.0.4262.2.
Fixed an issue where upgrading Microsoft Entra Connect didn't update an installed Microsoft Visual C++ 2015-2022 Redistributable version earlier than 14.41.
Fixed an issue where the Microsoft Entra Connect wizard could close during startup when the Windows PowerShell Transcription policy contained an invalid output directory.
Fixed an Application-Based Authentication certificate rotation issue that could remove the last usable application key during directory replica delays.
Fixed an issue where Synchronization Service Manager could close unexpectedly when you opened Connector Properties and listed directory partitions.
Fixed an issue where Change Credentials didn't open for connector rows outside the visible area on configurations with many Active Directory connectors.
Fixed multiple security vulnerabilities in bundled third-party dependencies and hardened local temporary-file permissions and SharePoint connector profile-image downloads.
2.6.84.0
Known issues
- Installing or upgrading to Microsoft Entra Connect version 2.6.84.0 with an existing ADSync database might fail with error
0xE0474352. To install or upgrade with an existing database, useversion TBDversion 2.6.90.0 or later. - Synchronization Service Manager might close unexpectedly when you open Connector Properties and list directory partitions. This issue is fixed in
version TBDversion 2.6.90.0.
@@ -3,7 +3,7 @@ title: 'Microsoft Entra Connect: Version release history' description: This article lists all releases of Microsoft Entra Connect and Azure AD Sync. ms.assetid: ef2797d7-d440-4a9a-a648-db32ad137494 ms.topic: reference-ms.date: 09/02/2026+ms.date: 09/10/2026 ms.subservice: hybrid-connect ms.custom: no-azure-ad-ps-ref, sfi-ga-nochange ai-usage: ai-assisted@@ -104,8 +104,8 @@ Required permissions | For permissions required to apply an update, see [Microso |[2.5.190.0](#251900)|02 Feb 2027 (12 months after release of 2.6.1.0)| |[2.6.1.0](#2610)|10 Mar 2027 (12 months after release of 2.6.3.0)| |[2.6.3.0](#2630)|07 Jul 2027 (12 months after release of 2.6.84.0)|-|[2.6.84.0](#26840)|TBD (12 months after release of TBD)|-|[TBD](#tbd)||+|[2.6.84.0](#26840)|15 Sep 2027 (12 months after release of 2.6.90.0)|+|[2.6.90.0](#26900)|| **All other versions are not supported** @@ -128,24 +128,25 @@ If you want all the latest features and updates, check this page and install wha To read more about autoupgrade, see [Microsoft Entra Connect: Automatic upgrade](how-to-connect-install-automatic-upgrade.md). -## TBD+## 2.6.90.0 > [!IMPORTANT] > This release includes security fixes. We recommend upgrading to this version as soon as possible. ### Release status -TBD: Confirm the release date, Microsoft Entra admin center availability, and auto-upgrade status before publication.+09/15/2026: Released for download via the Microsoft Entra admin center. ### Added features +- Added a guided migration workflow from Microsoft Entra Connect Sync to Microsoft Entra Cloud Sync. The workflow includes configuration assessment, provisioning agent setup, staged activation, validation, and rollback. This feature is available only in the Azure public cloud. - Added support for the Delos sovereign cloud environment, including Pass-through Authentication, Seamless Single Sign-On, password writeback, and Health Agent monitoring. ### Updated features - Passwordless authentication in the Microsoft Entra Connect setup wizard is now generally available and enabled by default. The Windows Web Account Manager prompt supports passkeys, FIDO2 security keys, and passwords, reuses the signed-in session across Microsoft Entra services, and preserves Seamless Single Sign-On Kerberos key rotation. [Learn more](how-to-connect-passwordless-authentication.md). - Cloud configuration cmdlets no longer require an explicit `-AADUserName`. When you omit the parameter, Microsoft Entra Connect derives a sign-in hint from the connector configuration and opens an interactive sign-in prompt. This behavior applies to `Set-ADSyncAADCompanyFeature`, `Set-ADSyncAADPasswordSyncState`, `Enable-ADSyncExportDeletionThreshold`, `Set-ADSyncScheduler`, and `Set-ADSyncDirSyncConfiguration`.-- The **Select Containers** dialog in Synchronization Service Manager is now read-only. You can still use the dialog to view the current selections. To make changes, use **Customize synchronization options** in the Microsoft Entra Connect wizard. [Learn more](how-to-connect-installation-wizard.md#customize-synchronization-options).+- The Select Containers dialog in Synchronization Service Manager is now read-only. You can still use the dialog to view the current selections. To make changes, use Customize synchronization options in the Microsoft Entra Connect wizard. [Learn more](how-to-connect-installation-wizard.md#customize-synchronization-options). - The Generic LDAP connector wizard now validates the TLS server certificate chain and server name. - Updated the bundled SQL Server 2022 LocalDB from version 16.0.4250.1 to 16.0.4262.2. @@ -155,8 +156,8 @@ TBD: Confirm the release date, Microsoft Entra admin center availability, and au - Fixed an issue where upgrading Microsoft Entra Connect didn't update an installed Microsoft Visual C++ 2015-2022 Redistributable version earlier than 14.41. - Fixed an issue where the Microsoft Entra Connect wizard could close during startup when the Windows PowerShell Transcription policy contained an invalid output directory. - Fixed an Application-Based Authentication certificate rotation issue that could remove the last usable application key during directory replica delays.-- Fixed an issue where Synchronization Service Manager could close unexpectedly when you opened **Connector Properties** and listed directory partitions.-- Fixed an issue where **Change Credentials** didn't open for connector rows outside the visible area on configurations with many Active Directory connectors.+- Fixed an issue where Synchronization Service Manager could close unexpectedly when you opened Connector Properties and listed directory partitions.+- Fixed an issue where Change Credentials didn't open for connector rows outside the visible area on configurations with many Active Directory connectors. - Fixed multiple security vulnerabilities in bundled third-party dependencies and hardened local temporary-file permissions and SharePoint connector profile-image downloads. ## 2.6.84.0@@ -199,11 +200,11 @@ TBD: Confirm the release date, Microsoft Entra admin center availability, and au ### Known issues -- Installing or upgrading to Microsoft Entra Connect version 2.6.84.0 with an existing ADSync database might fail with error `0xE0474352`. To install or upgrade with an existing database, use [version TBD](#tbd) or later.-- Synchronization Service Manager might close unexpectedly when you open **Connector Properties** and list directory partitions. This issue is fixed in [version TBD](#tbd).+- Installing or upgrading to Microsoft Entra Connect version 2.6.84.0 with an existing ADSync database might fail with error `0xE0474352`. To install or upgrade with an existing database, use [version 2.6.90.0](#26900) or later.+- Synchronization Service Manager might close unexpectedly when you open **Connector Properties** and list directory partitions. This issue is fixed in [version 2.6.90.0](#26900). > [!IMPORTANT]-> Version 2.6.79.0 is no longer available for download. An issue was identified after release and the installer was recalled. Customers who installed this version should uninstall it and install the [latest available version (TBD)](#TBD) of Microsoft Entra Connect Sync.+> Version 2.6.79.0 is no longer available for download. An issue was identified after release and the installer was recalled. Customers who installed this version should uninstall it and install the [latest available version (2.6.90.0)](#26900) of Microsoft Entra Connect Sync. ## 2.6.3.0 