Useful Links
Some Windows Explorer extensions and some Control Panel items are not displayed on computers that are running an x64-based version of Windows
Service overview and network port requirements for the Windows Server system
IE – Enhanced Browsing Security Reference

Volume Licensing
Volume Licensing Briefs
Reimaging Licensed Microsoft Software Using Volume Licensing Media

* A single volume license for Windows Vista Business Upgrade can be used to re-image any number of OEM licensed Windows XP Pro **or** Windows Vista Business machines.