The present invention provides a monitoring device configured to automatically associate devices forming a multifunctional device with support-contract information. A monitoring device configured to remotely monitor a device to be monitored connected to a network, the monitoring device including registration means which registers a group-identification information associated with an identification information of the device to be monitored, storing means which stores the support-contract information corresponding to the group-identification information, reception means which receives trouble-notification information transmitted from the device to be monitored, the trouble-notification information including the identification information related to the device-to-be-monitored, when a trouble occurs in the device to be monitored, acquisition means that acquires the group-identification information on the basis of a device-identification information of the received trouble-notification information and that acquires support-contract information from the acquired group-identification information, and display means that shows the acquired support-contract information and the trouble-notification information.