I recently discussed how to restore a SQL Server to a new server. After the article published, I had some questions on the best way to move SQL Server logins from one SQL Server 2005 instance to another SQL Server 2005 instance.
I want to preface that you can move logins from one SQL Server to another SQL Server in many different ways. In my experience, I have found that this is the easiest way to move logins from one SQL Server to another SQL Server while keeping existing passwords. To read the tutorial, follow the link.