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SQL basic availability groups

July 5, 2024

Contributed by:

C L

A basic availability group supports a failover environment containing a single database. SQL basic availability groups are configured the same way as SQL Always-On High Availability groups, with the following differences:

Limit of two replicas (primary and secondary).
No read access on secondary replica.
No backups on secondary replica.
No integrity checks on secondary replicas.
Support for one availability database.
Basic availability groups cannot be upgraded to advanced availability groups. The group must be dropped and readded to a group that contains servers running only SQL Server 2016 Enterprise Edition.
Basic availability groups are only supported for Standard Edition servers.
Basic availability groups cannot be part of a distributed availability group.

Tip:

For multi-subnet environments, see Enable SQL Always On multi-subnet failover.

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SQL basic availability groups

July 5, 2024

Contributed by:

C L

July 5, 2024

Contributed by:

C L

SQL basic availability groups

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