How many databases are in AlwaysOn availability group?

How many databases can be configured in an AlwaysOn availability?

An availability group supports one set of primary databases and one to eight sets of corresponding secondary databases.

How many databases are on a basic availability group?

You can only join one database per Basic Availability Group. While you can have an unlimited number of Availability Groups within a replica as your hardware resources permit, you can only have one database in a Basic Availability Group.

How many availability groups does an instance have?

Availability Groups now allow you to group appropriate databases together. You can setup, up to 10 AAG's on a per instance level. Across these 10 Availability Groups you can have up to 100 replica databases participating.

How many replicas can I have in an AlwaysOn availability group?

Each availability group supports one primary replica and up to eight secondary replicas. For more information, see Overview of Always On Availability Groups (SQL Server). Each availability replica must reside on a different node of a single Windows Server Failover Clustering (WSFC) cluster.