because they may have a recovery disk that installs XP from a disk image instead of having the whole install CD. Some vendors do this, and it is legal, they still pay for the licence and sell you the recovery CD instead of the full package.

Your only other option for IIS is to download IIS 3.0 or 4.0 from the NT 4.0 Option Pack download point from Microsoft. [link|http://www.microsoft.com/ntserver/nts/downloads/recommended/NT4OptPk/default.asp|http://www.microsoft...OptPk/default.asp]

From what I heard, it can work with XP Pro, but I never tried it.