Small Business Server 2003
This software program is used by small to medium sized businesses. It can be used as a file server, a print server, an email server using exchange server, a web server and software firewall product and generate detailed reports on computer usage and internet usage.
The limit for users has been increased from the previous 50 users under SBS2000 to 75 users.
The product comes in 2 flavours... standard and premium. The premium version contains the ISA firewall software and the Microsoft SQL Server database program. The minumum versions contain 5 user CALS or client access licenses. Thereafter you may buy them in packs of 5 or 20.
This software really lies at the heart of any business and can dramatically improve business efficiency and productivity.
Official website is here.