Msg 15281: SQL Server blocked access to procedure ‘sys.xp_cmdshell’ because it is turned off. Here is how to turn xp_cmdshell on with sp_configure.
Linked Server Error Msg 7356: Provider Metadata That Changed
Diagnose Msg 7356 by comparing linked-server column metadata, stabilizing pass-through projections, and reviewing provider configuration.
SQL SERVER – FIX – Error 1402. Could not open key: UNKNOWN\Components. System error 5
Installing a SQL Server service pack failed with Error 1402. Could not open key: UNKNOWN\Components. System error 5. Here is the fix.
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.
How to Add Date to Database Backup Filename? – Interview Question of the Week #109
A reader using Backup to URL asked how to add the date to a Database Backup Filename. Here is a script that builds the name for you.
New AD Domain: Moving an AlwaysOn Availability Group Node by Node
After an acquisition, my client had to move an AlwaysOn availability group to a new AD domain. These are the 12 steps I shared, moving one node at a time from DomainOld to DomainNew.
UpdateHADRResource Failed to Version-Copy File: System.IO.IOException
UpdateHADRResource failed during a 2017 SQL Server 2012 patch because Setup could not copy hadrres.dll while another process used it. This post shows how to read the setup log, check the file and its owner, and read the HADR state of an instance with tested queries and commands.