This is for SQL Server DBA guys, hey i have a problem. There are three SQL Server instances , Instance1, Instance2 and Instance3, in a single box. My moderator ask me to give access to only Instance1 to my co-worker. How can i give the access to only a single Instance ( Instance) in a server. How do i do this..I really need help for this, i am not sure how to do it as i am a new DBA. Thank you.