Microsoft Application Compatibility Toolkit (ACT) 5.5 (http://go.microsoft.com/fwlink/?LinkID=95473). You can also download the ACT 5.5 Deployment Guide from this site.
Application Compatibility Factory (http://go.microsoft.com/fwlink/?LinkId=150930). Several global System Integrators have partnered with Microsoft to offer deep application compatibility expertise to assist you with application testing and remediation. Application Compatibility Factory (ACF) partner services focus on custom line-of-business applications, and they can scale to some independent software vendor applications.