How can I create a notification method when someone adds a user/login to have ‘sa’ access? How can I create a notification method when someone adds a user/login to have ‘sa’ access on SQL Server 2005/2008/2008R2? Thanks for your help.
You would need to setup a job which looks at the list of admins and sends an alert if the list doesn't meet the pre-defined list of admins.  SQL Server Denali has this functionality built in.