SQL Server Errors or Failures from Error: 19408 to Error: 19458

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Error: 19408, Severity: 10, The Windows Server Failover Clustering (WSFC) cluster context of AlwaysOn Availability Groups has been changed to the remote WSFC cluster, ‘%.*ls’. An ALTER SERVER CONFIGURATION SET HADR CLUSTER CONTEXT = ‘remote_wsfc_cluster_name’ command switched the cl
Error: 19409, Severity: 10, The Windows Server Failover Clustering (WSFC) cluster context of AlwaysOn Availability Groups has been changed to the local WSFC cluster. An ALTER SERVER CONFIGURATION SET HADR CLUSTER LOCAL command switched the cluster context from the remote WSFC cluste
Error: 19410, Severity: 16, An attempt to switch the Windows Server Failover Clustering

(WSFC) cluster context of AlwaysOn Availability Groups to a remote WSFC cluster failed. This is because one or more availability replicas hosted by the local instance of SQL Server are currently
Error: 19411, Severity: 16, The specified Windows Server Failover Clustering (WSFC) cluster, ‘%.*ls’, is not ready to become the cluster context of AlwaysOn Availability Groups (Windows error code: %d). The possible reason could be that the specified WSFC cluster is not up or that a
Error: 19412, Severity: 16, The ALTER SERVER CONFIGURATION SET HADR CLUSTER CONTEXT = ‘%.*ls’ command failed. The current Windows Server Failover Clustering (WSFC) cluster context of AlwaysOn Availability Groups is already under a remote WSFC

cluster. When AlwaysOn Availability Grou
Error: 19413, Severity: 16, An attempt to switch AlwaysOn Availability Groups to the local Windows Server Failover Clustering (WSFC) cluster context failed. This attempt failed because switching the cluster context back to the local cluster at this time might cause data loss because
Error: 19414, Severity: 16, An attempt to switch the Windows Server Failover Clustering (WSFC) cluster context of AlwaysOn Availability Groups to the specified WSFC cluster , ‘%ls’, failed. The cluster context has been switched back to the local WSFC cluster. Check the SQL Server er
Error: 19415, Severity: 16, Failed to process the registry key value ‘%.*ls’ (Windows error code: %d), which holds the name of the remote Windows Server Failover Clustering (WSFC) cluster. For more information about this error code, see “System Error Codes” in the Windows Developmen
Error: 19416, Severity: 16, One or more databases in availability group ‘%.*ls’ are not synchronized. On a synchronous-commit availability replica, ALTER AVAILABILITY GROUP OFFLINE is not allowed when one or more databases are not synchronized. Wait for all databases to
Error: 19417, Severity: 16, An attempt to fail over or create an availability group failed. This operation is not supported when AlwaysOn Availability Groups is running under a remote Windows Server Failover Clustering (WSFC) cluster context. Under a remote cluster context, failing
Error: 19418, Severity: 16, The ALTER SERVER CONFIGURATION SET HADR CLUSTER CONTEXT = ‘%.*ls’ command failed because the local Windows Server Failover Clustering (WSFC) cluster name,’%.*ls’, was specified. Retry the command, specifying the name of a remote WSFC cluster.
Error: 19450, Severity: 16, Failed to open a cluster network interface object: ‘%ls’. The WSFC cluster control API returned error code %d. The WSFC service may not be running or may be inaccessible in its current state. For information about this error code, see “System Error Codes
Error: 19451, Severity: 16, ‘%.*ls’ and ‘%.*ls’ belong to the same subnet. Only one IPv4 and/or one IPv6 address from each subnet is allowed. For an advanced configuration, see the Windows Server Failover Clustering (WSFC) administrator to create a customized configuration through t
Error: 19452, Severity: 16, The availability group listener (network name) with Windows Server Failover Clustering resource ID ‘%s’, DNS name ‘%s’, port %hu failed to start with a permanent error: %u. Verify port numbers, DNS names and other related network configuration, then retry
Error: 19453, Severity: 16, The availability group listener (network name) with Windows Server Failover Clustering resource ID ‘%s’, DNS name ‘%s’, port %hu failed to start with this error: %u. Verify network and cluster configuration and logs.
Error: 19454, Severity: 16, The availability group listener (network name) with Windows Server Failover Clustering resource ID ‘%s’, DNS name ‘%s’, port %hu failed to stop with this error: %u. Verify network and cluster configuration and logs.
Error: 19455, Severity: 16, The WSFC cluster does not have a public cluster network with an IPv4 subnet. This is a requirement to create an availability group DHCP listener. Configure a public network for the cluster with an IPv4 subnet, and try to create the listener.
Error: 19456, Severity: 16, None of the IP addresses configured for the availability group listener can be hosted by the server ‘%.*ls’. 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 b
Error: 19457, Severity: 16, The specified IP Address ‘%.*ls’ is not valid in the cluster-allowed IP range. Check with the network administrator to select values that are appropriate for the cluster-allowed IP range.
Error: 19458, Severity: 16, The WSFC nodes that host the primary and secondary replicas belong to different subnets. DHCP across multiple subnets is not supported for availability replicas. Use the static IP option to configure the availability group listener.

This is applicable on below versions of SQL Server

SQL Server 2005
SQL Server 2008 R2
SQL Server 2012
SQL Server 2014

Hope this was helpful.

Thanks,
SQLServerF1 Team
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