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I am MCSE in Data Management and Analytics with specialization in MS SQL Server and MCP in Azure. I have over 13+ years of experience in IT industry with expertise in data management, Azure Cloud, Data-Canter Migration, Infrastructure Architecture planning and Virtualization and automation. Contact me if you are looking for any sort of guidance in getting your Infrastructure provisioning automated through Terraform. I sometime write for a place to store my own experiences for future search and read by own blog but can hopefully help others along the way. Thanks.

Adding Replica of Multisubnet gives error operation encountered SQL Server error 19456 and has been rolled back.


Issue:-

None of the IP addresses configured for the availability group listener can be hosted by the server 'Node3SQL03'. 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 'SQL0040DAG01'.  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)

Failed to join local availability replica to availability group 'SQL0040DAG01'.  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.

Disconnecting connection from Node3SQL03...

Issue:-
Servers in Multi-subnet clustering with AlwaysOn Configured in Multi-subnet Envirnment
DataCenter-1
IP
DataCenter-2
MgmtIP
Node1SQL01
192.168.1.10
Node3SQL03
192.168.2.12
Node2SQL02
192.168.1.11
 Node4SQL04
192.168.2.13

and existing Availability group is -- SQL0040DAG01

The requirement is to add 3rd replica{Node3SQL03} in existing AG which belongs to a different data center and hence in the different network.


I encountered below error, while adding Availability Replica in AG in Multi-subnet environment:



None of the IP addresses configured for the availability group listener can be hosted by the server 'Node3SQL03'. 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 'SQL0040DAG01'. 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)



Failed to join local availability replica to availability group 'SQL0040DAG01'. 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.

Disconnecting connection from Node3SQL03...

And



Connecting to Node3SQL03...

Msg 41158, Level 16, State 3, Line 2

Failed to join local availability replica to availability group 'SQL0040DAG01'. The operation encountered SQL Server error 41106 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.

Disconnecting connection from Node3SQL03...

Reason of this issue:-


For this AG, which is  implemented in multi-subnet cluster, existing listener was configured only with  one of the subnet IPaddress [192.168.1.*], which belongs to datacenter 1.

 This error message popped up while configuring the replicas in another subnet, and the reason for error message was that the listener was configured with only one subnet IP address.
Hence there is a need to add IP address for another subnet in this existing listener.

Resolution:-

So once we will configure listener with  IPaddress of second subnet, as shown in the figure -1, we will be able to successfully add replica of the secondary subnet’s [192.168.2.*].
To do this, I clicked on existing listener SQL0040DAG01 –> Property --> and added an IP address of 192.168.2.14(Datacenter2)



Then Click OK.

Now try to add 3rd replica on existing AG, the issue will get resolve.

Hope this will help to someone who has this issue.

Thanks for reading... 



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