There is an excellent migration guide from Microsoft and a help file in SBS 2008, which formed a part of the basis for the migration steps in this book. While they provide a good start, I found several items that need additional explanation, alternative solutions, or more information to complete them successfully. That is one of the purposes of these chapters.
Note
The Microsoft Migration whitepaper can be found at http://davidoverton.com/r.ashx?X.
There are fourteen steps that you need to complete to prepare your server for migration and these are as follows:
Plan the migration process including how you will move third-party applications.
Communicate plan and impact to users and get an agreement on impact
Check the health of SBS 2003 Active Directory.
Back up the existing server.
Change network configuration to match SBS 2008 design requirements.
Update software on SBS 2003.
Change Active Directory functionality level.
Confirm SBS 2003 is currently configured at best-practice...