Patent ID: 8332494

Claim:
A device management system including a first server and a second server that is different from the first server, the first server comprising: a first management unit configured to update or delete device information about a management target device to be managed by the first server; and a transmission unit configured to transmit, for transferring a management right to the second server, identification information pertaining to the management target device to be managed by the first server to the second server; and the second server comprising: a second management unit configured to update or delete device information about a management target device to be managed by the second server; and a display unit configured to display device information about a plurality of devices, wherein the plurality of devices includes (i) a device that is a management target to be managed by the second server and (ii) a specific device that is a management target to be managed by the first server and of which is not a management target to be managed by the second server that cannot update or delete the device information pertaining to the management target device managed by the first server, wherein the transmission unit transmits the identification information of the specific device to the second server in a case when a period of non-updating or non-deleting of the device information pertaining to the specific device by the first management unit exceeds a threshold value.