Patent ID: 8661123

Claim:
A device management apparatus connected via a network to a managed device, the device management apparatus comprising: a storing unit configured to store device management information for managing the managed device; a registration/update determining unit configured to compare alert information received from the managed device having an internal detection unit configured to detect a status change indicating a power-on or a network setting change of the managed device, with the device management information and to determine, based on the comparison result, whether it is necessary to perform a registration process or an update process on the device management information; a registration/updating unit configured to register information extracted from the alert information in the device management information or update a corresponding information item in the device management information with the information extracted from the alert information if the registration/update determining unit determines that it is necessary to perform the registration process or the update process; an analysis unit configured to analyze the alert information and extract a status change parameter indicating the power-on or the network setting change of the managed device, a network setting of the managed device, and a device number of the managed device from the alert information; and an alert-type detetermining unit configured to determine a type of the alert information based on the status change parameter, wherein the registration/update determining unit is configured to determine whether it is necessary to perform the registration process or the update process based also on the type of the alert information.