Let me say smth. ;)

What you'd do if you need a solution installer for both 2007 and 2010 Sharepoint? Well, I've found an interesting solution by Vojtech Nadvornik. In general, he modified code of well known codeplex solution . Actually, it has few minor imperfections, so I decided to make some refactoring. I changed Welcome page title and fixed Administration Service check (it didn't work on 2010). Binaries can be downloaded here and sources here . If you have any questions fill free to ask me here in comments - I'll try to answer ASAP.

You might get "Invalid class" error when inquiring some information from Win32_SoftwareFeature, by calling WQL scripts like: "Select * From Win32_SoftwareFeature". As it turned out this feature is not installed by default on windows server 2003 and as result it gives you "Invalid class" when you call such scripts. It can be installed from add/remove programs - windows features: