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What happens if I remove a secondary database from availability group?
If you want to access a removed secondary database after it has been removed from the availability group, you can recover the database. However, if you recover a removed secondary database, two divergent, independent databases that have the same name are online. You must make sure that clients can access only the current primary database.
How to remove a secondary replica from myag availability group?
The following example removes a secondary replica from the MyAG availability group. The target secondary replica is located on a server instance named HADR_INSTANCE on a computer named COMPUTER02. Change directory ( cd) to the server instance that hosts the primary replica.
How to remove a secondary database in Object Explorer?
In Object Explorer, connect to the server instance that hosts the secondary replica from which you want to remove one or more secondary databases, and expand the server tree. Expand the Always On High Availability node and the Availability Groups node.
How to remove a secondary database from an AG?
SQL Server Management Studio has support for removing a secondary database from an AG and adding it back, but it doesn’t have a wizard (as of this writing) for doing all of the steps required to backup, restore, and rejoin. This answer is intended to be a high level, succinct guide.
How does always on availability group work in SQL Server?
Returns a row for each database that is participating in an Always On availability group for which the local instance of SQL Server is hosting an availability replica. This dynamic management view exposes state information on both the primary and secondary replicas.
How to remove a secondary database from SQL Server?
Right-click the selected database or databases, and select Remove Secondary Database in the command menu. In the Remove Database from Availability Group dialog box, to remove all the listed databases, click OK. If you do not want to remove all the listed databases, click Cancel.
How to remove a database from the always on group?
To remove an availability database. In Object Explorer, connect to the server instance that hosts the primary replica of the database or databases to be removed, and expand the server tree. Expand the Always On High Availability node and the Availability Groups node.