Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
Applies to: 
SQL Server
This article contains information about the using a contained database with Always On availability groups in SQL Server.
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.