Microsoft Knowledge Base Article 895129 contains the following Session Summary:

Microsoft Application Compatibility Toolkit 4.0 (ACT 4.0) is a set of tools and documentation that help you evaluate your application compatibility needs specifically on Microsoft Windows XP Service Pack 2 (SP2). The WebCast describes how to use ACT 4.0 as part of a comprehensive deployment strategy in three primary phases: evaluation, mitigation, and deployment. We will provide step-by-step instruction in how to collect application inventory, evaluate issues related to DCOM, Windows Firewall, and Internet Explorer, obtain up-to-date data from Microsoft online services, reduce issues by using automation, and deploy the fix package. The WebCast also discusses new features in ACT 4.0 such as the SMS integration and mitigation tool.