An image processing method can include storing pieces of identification information of information processing apparatuses; instructing to change the identification information stored; displaying, when the instructing step gives the instruction to change the identification information, the pieces of identification information of the information processing apparatuses stored; and searching for information processing apparatuses on the network. The method can also include displaying pieces of identification information of the information processing apparatuses found; and changing identification information selected from the pieces of identification information displayed in the first displaying step into identification information selected from the pieces of identification information displayed in the second displaying step.