contained-databases-with-always-on-availability-groups-sql-server.md

title	Use Contained Databases with Availability Groups
description	Learn about the using a contained database with Always On availability groups in SQL Server 2019 (15.x).
author	MashaMSFT
ms.author	mathoma
ms.reviewer	randolphwest
ms.date	02/04/2026
ms.service	sql
ms.subservice	availability-groups
ms.topic	how-to
helpviewer_keywords	Availability Groups [SQL Server], interoperability contained database, AlwaysOnAvailabilityGroups contained database, Always On Availability Groups

Use contained databases with Always On availability groups

[!INCLUDE SQL Server]

This article contains information about the using a contained database with [!INCLUDE ssHADR] in [!INCLUDE ssnoversion].

Prerequisites

Before adding a contained database to an availability group, ensure that the contained database authentication server configuration option is set to 1 on every server instance that hosts an availability replica for the availability group.

For more information, see Server Configuration: contained database authentication.

Related tasks

• Server configuration options

Related content

• What is an Always On availability group?
• Contained Databases