Just posted on Apple's site yesterday. Surprised it hasn't made the front page news here.....
LinkSummary
Boot Camp is not supported for use on Macs that ship with Mac OS X Server pre-installed. This includes all Xserves as well as Mac mini and Mac Pro configurations that include Mac OS X Server.
Products Affected
Xserve, Boot Camp, Mac OS X Server 10.5, Mac OS X Server 10.6 , Mac mini (Mac OS X Server)
For more information about using Boot Camp and Microsoft Windows on a Mac, see the Boot Camp support page.