This document discusses how to migrate an XP machine to Windows 7 using Microsoft Deployment Toolkit (MDT) while maintaining user and application settings. It covers using MDT's advanced features like linked deployment shares to deploy to offline or disconnected machines, and creating deployment media. It also provides instructions on gathering application uninstall keys from XP to automatically reinstall the same applications during the Windows 7 migration. The document demonstrates how to configure MDT to detect and optionally make certain applications mandatory during deployment.