To provide a management system capable of providing a system enhancing an efficiency of an entire system while preventing an adverse effect on the system on an operational environment. A management system that conducts a test using a system in operation includes: simulation unit that estimates a system configuration and a used amount of a plurality of resources being required for executing the test singly; acquisition unit that acquires information about the used amount of the plurality of resources included in the system in operation; and management unit that calculates a differential system component different from the configuration of the system in operation for the estimated system configuration, and determines a free resource and a resource to be newly added in the system in operation, the free resource and the resource to be newly added being used for applying a load to the differential system component.