Automatic seeding for Always On availability groups came in SQL Server 2016. Here is the T-SQL script we used in a Health Check to list databases and their seeding.
SQL SERVER – Drop failed for Availability Group – Failed to Destroy the Windows Server Failover Clustering Group Corresponding to Availability Group
While recovering a cluster in ForceQuorum mode, dropping an availability group failed: Failed to destroy the WSFC group. Here is how I got past this error.
SQL SERVER – Read Only Routing Error: Client Unable to Establish Connection Because an Error was Encountered During Handshakes Before Login
A client’s Always On read-only routing failed with: an error was encountered during handshakes before login. Here are the checks I shared and how we fixed it.
SQL SERVER – FIX: The specified instance of SQL Server is hosted by a system that is not a Windows Server Failover Cluster(WSFC) Node.
After a cluster rebuild, adding a replica failed: The specified instance is hosted by a system that is not a Windows Server Failover Cluster node. Here is the fix.
SQL SERVER – Availability Group Seen in SSMS but missing in Cluster Manager. What’s Wrong?
A client’s availability group showed in SSMS, but no role appeared in Failover Cluster Manager. Here is the sequence of steps that causes this and what to do.
SQL SERVER – Always On Availability Group Listener Missing in SSMS but Working Fine in Failover Cluster Manager
My client’s AG listener worked fine in Failover Cluster Manager, yet SSMS showed nothing. Here is what causes a listener missing in SSMS and the fix.
SQL SERVER – FIX: Msg 41105: Failed to Create the Windows Server Failover Clustering (WSFC) Resource With Name and Type ‘SQL Server Availability Group’
Creating an availability group failed with Msg 41105: Failed to create the WSFC resource with type ‘SQL Server Availability Group’. Here are ways to fix it.