A service pack install in a cluster failed with: There was an error to lookup cluster resource types. Detail.txt pointed to the cause. Here is the fix.
SQL SERVER – The Lease between Availability Group ‘PRODAG’ and the Windows Server Failover Cluster has Expired
The lease between availability group and the Windows Server Failover Cluster has expired: a common error. Here is what each ERRORLOG line means.
SQL SERVER – Add Failover Cluster Node Fails With Error – This SQL Server Edition Does Not Support the Installed Number of Cluster Nodes
Add Failover Cluster Node failed: this SQL Server edition does not support the installed number of cluster nodes. What Detail.txt showed and how to fix it.
SQL SERVER – FIX: Error 19456: None of the IP Addresses Configured for the Availability Group Listener can be Hosted by the Server
Deploying a hybrid AlwaysOn availability group across on-premises and Azure, adding a replica failed with error 19456. Here is what fixed it.
SQL SERVER – Why Cluster Network is Unavailable in Failover Cluster Manager?
A Windows admin told me how cluster networks showed as unavailable in Failover Cluster Manager, and why a reboot was the fix that time.
SQL SERVER – Error After Cluster Patching – Error: 5184, Severity: 16, State: 2
SQL Server would not come online after a service pack on a cluster. Here is how ERRORLOG helped me fix this error after cluster patching (error 5184).
![SQL SERVER - Clustered Instance Online Error - SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]](https://blog.sqlauthority.com/wp-content/uploads/2016/11/sql-clus-01.jpg){kind=small}
SQL SERVER – Clustered Instance Online Error – SQL Server Network Interfaces: Error Locating Server/Instance Specified [xFFFFFFFF]
After a lab restart, the SQL resource stayed Online Pending, then Failed. Here is how the cluster log helped me fix this clustered instance online error.