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Anonymous Asked in Cars &Transportation · 2 weeks ago

How many synchronous secondary replicas can I have in SQL Server 2019?

Contents
  1. How many synchronous secondary replicas can I have?
  2. How many secondary replicas can we configure in a SQL Server AlwaysOn availability group?
  3. How many synchronous secondary replicas are there in SQL Server 2016?
  4. How many synchronous secondary replicas are there in SQL Server 2014?
ii) SQL Server 2019 increases the limit for synchronous replica pairs from 3 to 5. Users can now configure up to 5 synchronous replicas with automatic failover between these replicas.


How many synchronous secondary replicas can I have?

To configure an availability group for automatic failover, you need to set both the current primary replica and at least one secondary replica to synchronous-commit mode with automatic failover. You can have up to three automatic failover replicas.

How many secondary replicas can we configure in a SQL Server AlwaysOn availability group?

Up to eight secondary replicas are supported, including one primary replica and two synchronous-commit secondary replicas.

How many synchronous secondary replicas are there in SQL Server 2016?

Up to 8 secondary replicas, including 2 synchronous secondary replicas (SQL Server 2016) Up to 8 secondary replicas, including 2 synchronous secondary replicas (SQL Server 2017) Up to 8 secondary replicas, including 5 synchronous secondary replicas (SQL Server 2019)

How many synchronous secondary replicas are there in SQL Server 2014?

With SQL Server 2014, AlwaysOn Availability Groups now supports up to eight secondary replicas.

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