Microsoft Knowledge Base Article 823398 contains the following summary:
This article describes how to install the Microsoft Product Support Reporting Tool for Microsoft Software Update Services. The Microsoft Product Support Reporting Tool (also known as MPS_REPORTS) is a compressed software package that contains scripts and utilities that you can use to capture critical system, diagnostic, and configuration information about your computer. This tool includes the Software Update Services edition that is described in this article and other editions that are designed for specific support issues.
For additional information about the Microsoft Product Support Reporting Tool, including information about the system requirements to run the tool, the specialty editions of the tool, and where to obtain the tool, click the following article number to view the article in the Microsoft Knowledge Base:
818742 Overview of the Microsoft Configuration Capture Utility (MPS_REPORTS)