Management system and program

[Problem] To execute appropriate operations in response to various situations. [Solution] A management system for managing one or more information processing devices over a network includes a storage unit for storing various tables and a control unit for controlling the execution of a predetermined operation in response to an execution request for the operation. The storage unit stores the predetermined operation and one or more operation implementation means in association with each other. The control unit receives the execution request for the operation, identifies the one or more operation implementation means corresponding to the operation, and selects an operation implementation means that can be executed from the identified one or more operation implementation means on the basis of management information that includes the configuration information or the running information of the information processing device.