The mainframe environment is complex. In most cases, the environment was built over many years (usually over 20 years), and therefore many people were involved in the process. From past experience, in many mainframe sites there is no clear view of the complete existing inventory.
An inventory inspection is carried out using BluePhoenix automated tools for legacy technology. Gathering the real inventory is the base for future modernization plans, and provides management with essential information for decision making. The inventory inspection is the first step to illuminate the size of the modernization challenge.