How many availability groups does an instance have?

Question

A given instance can host only one availability replica per availability group. However, each instance can be used for many availability groups. A given instance can be either a stand-alone instance or a SQL Server failover cluster instance (FCI). 5 июл. 2022 г.

How many basic availability groups does an instance have?

You can have multiple Basic Availability Groups on the instances, but only 1 database per Basic AG. So if you have 10 databases, you can set up 10 Basic AGs.

How many AlwaysOn availability groups can be configured in always on?

You can have more than one AlwaysOn Availability Group on your instance, but databases cannot belong to more than one group. Not configured for database mirroring.

How many replicas can I have in an AlwaysOn availability Group 2016?

Limit of two replicas (primary and secondary).

How many databases does an instance have?

For SQL Server, the max number of databases you can have on a single SQL Server instance is 32,767.

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