BackOffice Server 2000 – includes Windows 2000 Server, Microsoft SQL Server 2000, Microsoft SMS 2.0, Microsoft Exchange Server 2000, Microsoft ISA Server 2000, and Microsoft Host Integration Server 2000. Requirements BackOffice Server 4.5 with 1 server license and 5 clients access licenses (CAL) was marketed for US$675. It required 2 GB minimum hard drive space, a minimum processor type of Pentium Pro 200 MHz, and a minimum RAM size of 128 MB. See also Windows Small Business Server Back Orifice References External links Microsoft BackOffice Server Archived documentation on Microsoft Technet BackOffice Server BackOffice Server