Does anyone know if there is a way to prevent the Windows 7 libraries from automatically going to the Home Server and adding the Music folder as a location?

The reason I ask is, I have 2 users on my machine, and in some cases 2 VERY different musical tastes.  I'd prefer it if the 2 libraries were not consolidated like that.  On top of that, this promise of full Libraries support isn't quite what I expected.  Because of a limitation in Windows Search 4, when the Library aggregrates any music files from the server, most of the thumbnails are shown in duplicate and all of the file names have the .mp3 extension at the end of them, despite the option being enabled to show otherwise.

There are a few other things it does that make the Library look like crap.  So I would like to prevent the libraries from scanning the Music folder, or hopefully change a setting on the server to prevent it.