Connect to a Mac server share point with Windows 7 via VPN

Over the years, we’ve set up many clients with a Mac server for VPN, file sharing, Web Hosting, etc.  During that time, the number of “bilingual” companies (I use that term for offices that speak both Mac and PC) increased dramatically.  Most, if not all, of our new server installations ask about PC connectivity for file sharing.  It only takes a few minutes to configure the Mac server for VPN, but the client-side configuration can [...]