I’ve spoken about migration several times now for SBS 2008 . The short answer is that migration from one box to another is vital. If a customer wants to do migration on the same box, then this is either expensive (and a very long process) or something that requires moving the server temporarily to another system, or as I prefer, virtualising it. Of course, SBS 2003 is not necessarily supported in a virtual environment, but since all we want to do is migrate from it, not “run it”, this should help you get over this. The details of the process can be found in the Windows Small Business Server 2008 technical library . One of the MOST IMPORTANT things to understand is to create the answer file. This is covered in the migration help below: Windows Small Business Server 2008 Migration Help ( Download ) Provides step-by-step instructions for migrating from Windows SBS 2003 or 2008 to Windows SBS 2008. Last Updated on June 30, 2008 Windows Small Business Server 2008 Product Help ( Download ) Provides step-by-step instructions...