Resetting SQL Administrators

Chris Lumnah shows how to use dbatools to reset a SQL authenticated administrative account:

As I was going through my environment, I realized I created a new domain controller for my tests. This DC has a new name and domain name which is different from my other VMs. I quickly realized that this will cause me issues later with authentication. No worries. I will just boot up the VMs and then and join them to the new domain. Easy-peasy. Now let met go test out my SQL Servers.

DOH!!

I received a login failure with access is denied. Using Windows Authentication with my new domain and recently joined server is not working. Why?…..Oh right, my new user id does not have access to SQL Server itself. As I sit there smacking myself in the head, I am also thinking about the amount of time it will take me to rebuild those VMs. Then it hit me!!!

Read on to see the solution, including a Powershell one-liner showing how it’s done.

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