W2K3 to W2K8 Active Directory Upgrade Considerations

I have collected some upgrade considerations from a couple colleagues of mine and have been sharing them on our internal technical DLs as the question comes up.  I have gotten positive feedback on the notes and have been encouraged to post them.  So, here they are.  Though, the real thanks go out to my colleages Tom and Arren.

Here are some of the problems customers run into when upgrading W2K3 DCs to W2K8

A very comprehensive list of solutions to problems people run into when upgrading from a Windows 2003 domain to a Windows 2008 domain.  Thank you Glenn LeCheminant.