Here is a good thread about WebDAV, FTP 7.5, Shared configuration..  I try to track gems like this in my UNC tag.

http://forums.iis.net/p/1160381/1915103.aspx

Here is more information on Shared Configuration

http://learn.iis.net/page.aspx/95/managing-shared-configuration/

Cheers,

Steve Schofield
Microsoft MVP – IIS