A network management apparatus includes at least one memory configured to store program code; and electric circuitry including at least one processor, the at least one processor being configured to read and operate according to the program code, the electronic circuitry configured to: store configuration information on devices or functions that constitute a virtualized environment of a network; acquire, as property information of the workaround, information associated with one or more devices or one or more functions to which a workaround for a specific hardware or software problem is to be applied; extract the one or more devices or the one or more functions serving as an application target of the workaround by referring to the configuration information based on the property information; and request to execute the workaround with respect to the application target.