After patching, SQL Server would not start. The SSIS hotfix script failed because database SSISDB is enabled for Database Mirroring. Here is the fix.
Windows Clusters in Different Domains: Deploying a Distributed Availability Group
After a merger, a client had Windows clusters in different domains that were connected but not trusted, and no wish to use certificates. Here are the steps I shared to deploy a Distributed Availability Group with NTLM pass-through authentication.
SQL SERVER – Event ID 1069 – Unable to Failover Clustered Instance to Another Node. Resource is not Loaded
My lab failover clustered instance would not move to the other node: Event ID 1069, resource is not loaded. Here is what the logs showed and the fix.
SQL SERVER – Unable to Add Node – Could not find subkey System \ CurrentControlSet \ Services \ MSSQLFDLauncher. Error code 0x851B0001
Running add node on Node2 failed with “Could not find subkey MSSQLFDLauncher”, error 0x851B0001. The cause was a missing Full-Text MSI in the setup media.
What are Ports Needed to Configure Log Shipping? – Interview Question of the Week #169
What are ports needed to configure log shipping? A client in a locked-down network asked me, and here is the list of ports to open on the firewall.
SQL SERVER – Be Careful with Logon Triggers – Don’t use Host_Name
A reader used HOST_NAME() in a logon trigger to limit access. Here is why that is risky, and why Logon Triggers can lock everyone out if you are not careful.
SQL SERVER – Error: 1067 – Unable to Bring Analysis Service Online in Cluster
A client could not bring the Analysis Service online in a cluster, and the logs only said Error 1067. Here is the systematic approach that found the cause.