License Fulfillment Tools, Recording Media, and License Fulfillment Systems

摘要

The license management tool 500 transfers a license key indicating that use of the application program is permitted between two or more PLCs 101 and 102 not connected to an external network. The license key includes an identifier that identifies the device in which the license key is registered. The license transfer unit 530 acquires a license key from the PLC 101 of the license transfer source. The license transfer unit 530 acquires the second identifier of the PLC 102 from the PLC 102 to which the license is to be transferred. The license implementation unit 530 deletes the first identifier of the PLC 101 from the license key acquired from the PLC 101 , adds the second identifier of the PLC 102 , generates a new license key, and the PLC 102 . ) to send a new license key.