New to the Windows server line-up, Windows Server 2008 R2 Foundation shares many features with Windows Server 2008 R2 used in the Enterprise but has a 15 user limit

This server is can be used in the small business that isn't quite ready for Small Business Server 2008 or it can complement an existing Small Business Server as a lower cost building block

Line of business application in an SBS network

Install your accounts package or business critical database on a lower cost server

Terminal Services

Give your employees simple remote access

Complement hosted services

A great onsite foundation that works well with other hosted services