Extensive validation measures for safeguarding new functions and components in the series phase are by now indisputable. Besides the use of technologies for virtual product development, practice tests with the vehicle and the recording of a wide range of measurement data are also integral elements. The new Data Management System from AFT Atlas Fahrzeugtechnik GmbH, Werdohl, Germany, enables the fleet operator and their customers to efficiently manage the accumulating test and measurement data flood.