Many organizations do not recognize the need for formal testing approaches to data migrations or systems mergers. Migrations are often performed by specially-built data conversion utilities that should be considered new software applications in their own right. Because conversion is a one-time occurrence, data can be riddled with defects and inaccuracies. Geoff Home discusses the different testing levels that you can apply to data migration and the inherent risks associated with such migrations. Take away strategies you can use to bring quality and focus to your data conversions. Examine examples of migration disasters, and learn how to avoid them in your organization.