Admin user with SSO Authentication

I configured Grafana with a generic_oauth login and set disable_login_form = true.

I would like to change the default admin user to someone on the SSO. Is that possible?

I don’t know about default admin user but you can mark your user as server admin in “Server admin” section of app settings (accesible through web browser). Section “Users” of Server Admin page -> (click on specified user).
You have to set it before you disable login form.