"That may seem to make SBS, which costs $1,089 excluding
hardware, a better deal. However, SBS requires each user to pay a
Client Access License (CAL) of $77 to access the operating system
and its bundled applications.
"No CALs are required with Foundation. However, Microsoft has
put in technology that prevents Foundation servers from supporting
more than 15 users, Sinkevicius said...
"Finally, because Foundation comes pre-installed on servers,
companies are not allowed to re-install the operating system on
other hardware, even if their original server crashes and