What tools does Macromedia provide to help customers migrate to ColdFusion MX?
With a few exceptions, ColdFusion MX is compatible with previous releases of ColdFusion. The ColdFusion MX documentation includes a full report on known compatibility issues. In addition, ColdFusion MX includes a new Code Compatibility Analyzer that enables ColdFusion developers to quickly identify areas of their current applications that may require tweaking to run on ColdFusion MX. These tools and other resources can be found in the ColdFusion MX Migration Resources.