MAP Toolkit 5.0 has a new Software usage tracking capability that helps customers determine the license compliance and simplifies the Software Asset Management process. With MAP 5, customers should be able to understand the value of their investment in Microsoft technologies and manage their software licenses effectively. "SUT feature of MAP toolkit provides consistent software usage reports for Microsoft servers in the core CAL suite and SQL servers in your IT network. By using these reports, customers can establish a baseline for the CAL licensees, and potentially save on licensing costs."
MAP 5.0 toolkit is completely FREE, and you can download the MAP 5.0 software from this link.