How to slipstream SQL Server 2008 R2 and a Cumulative Update (CU)

Now that CUs are beginning to ship for SQL Server 2008 R2, I figured I needed to send out updated slipstream instructions for SQL Server 2008 R2. Since the original release of SQL Server 2008 R2 knows how to slipstream, the instructions are easier.  There are 2 different ways to slipstream. The first way, let’s call this the basic method, is to run the SQL Server Setup program and specify where