Entra Connect version history
Microsoft's edit ·
Microsoft's commit message in MicrosoftDocs/entra-docs · commit 3b580e2 · +6 −6 lines · also on GitHub
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|[2.5.190.0](#251900)|02 Feb 2027 (12 months after release of 2.6.1.0)|
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|[2.6.1.0](#2610)|10 Mar 2027 (12 months after release of 2.6.3.0)|
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|[2.6.3.0](#2630)|07 Jul 2027 (12 months after release of 2.6.84.0)|
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−|[2.6.84.0](#26840)|15 Sep 2027 (12 months after release of 2.6.90.0)|
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−|[2.6.90.0](#26900)||
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+|[2.6.84.0](#26840)|15 Sep 2027 (12 months after release of 2.6.91.0)|
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+|[2.6.91.0](#26900)||
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**All other versions are not supported**
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To read more about autoupgrade, see [Microsoft Entra Connect: Automatic upgrade](how-to-connect-install-automatic-upgrade.md).
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−## 2.6.90.0
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+## 2.6.91.0
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> [!IMPORTANT]
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> This release includes security fixes. We recommend upgrading to this version as soon as possible.
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### Known issues
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−- 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.
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−- 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).
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+- 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 2.6.91.0](#26900) or later.
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+- Synchronization Service Manager might close unexpectedly when you open **Connector Properties** and list directory partitions. This issue is fixed in [version 2.6.91.0](#26900).
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> [!IMPORTANT]
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−> 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.
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+> 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 (2.6.91.0)](#26900) of Microsoft Entra Connect Sync.
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## 2.6.3.0
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Microsoft's Markdown source from MicrosoftDocs/entra-docs, © Microsoft Corporation, under MIT. Changed lines with up to 3 unchanged lines around each; ChangeIntel kept this copy 9 Oct 22:05 UTC. The commit date is when the source changed, which can be hours or days before Learn published it.