Patent ID: 7587201

Claim:
A network apparatus capable of communicating with a first network apparatus on a first network, the network apparatus comprising: a first storage unit that stores a first communication setting as a communication setting of the network apparatus; a communication unit that communicates with the first network apparatus based on the first communication setting; a receiving unit that receives a change instruction from the first network apparatus, the change instruction requesting a change of the communication setting from the first communication setting to a second communication setting, the second communication setting allowing the network apparatus to communicate with a second network apparatus located on a second network; a second storage unit that stores the second communication setting received by the receiving unit; a test unit disconnects the communication unit from the first network apparatus, and tests to determine whether the communication unit can establish a connection with the second network apparatus based on the second communication setting stored in the second storage unit; a notification unit that, in response to a test result obtained by the test unit, establishes the connection of the communication unit with the first network apparatus again, and notifies the first network apparatus of the test result; and a recording control unit that changes the communication setting stored in the first storage unit from the first communication setting to the second communication setting received by the receiving unit.