AlwaysON

None of the IP addresses configured for the availability group listener can be hosted by the server Either configure a public cluster network 19456

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Requirement:

Remove a node from one of availability alwayson group and added it on another group. It was a multi-subnet and the node is a DR node on a different subnet.

You have to remove the IP from the group in the windows cluster go to run — cluadmin.msc — click roles — click the group –> click on server name expand it — remove the IP of the node it could be offline.

Once deleted add it on the other group by the listener or from the cluster.

Background:

It is a three node cluster two in same data center and third node is in DR data center.

TITLE: Microsoft SQL Server Management Studio

Failed to join the instance to the availability group  (Microsoft.SqlServer.Management.HadrModel)

For help, click: http://go.microsoft.com/fwlink?ProdName=Microsoft+SQL+Server&ProdVer=14.0.17289.0+((SSMS_Rel_17_4).181117-0805) &EvtSrc=Microsoft.SqlServer.Management.Smo.ExceptionTemplates.FailedOperationExceptionText&LinkId=20476

 

ADDITIONAL INFORMATION:

An exception occurred while executing a Transact-SQL statement or batch. (Microsoft.SqlServer.ConnectionInfo)

None of the IP addresses configured for the availability group listener can be hosted by the server . Either configure a public cluster network on which one of the specified IP addresses can be hosted, or add another listener IP address which can be hosted on a public cluster network for this server.

Failed to join local availability replica to availability group  the operation encountered SQL Server error 19456 and has been rolled back.  Check the SQL Server error log for more details.  When the cause of the error has been resolved, retry the ALTER AVAILABILITY GROUP JOIN command. (Microsoft SQL Server, Error: 19456)

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