A computer system and computer program product executing a method for consistent and efficient management of program configuration and customizing data for a business application program. According to one method, an existing or newly created version of a global switch configuration is provided in a cache shared by one or more other programs. The cached switch configuration provides a configuration for a switch framework that governs access to one or more program functions of a business application. The cached switch configuration is then attached to the business application to provide an attached version of the switch configuration. Compatibility between the attached version of the switch configuration and the business application is determined. If compatibility exists, the business application program is executed in accordance with the attached version of the switch configuration.