A computing-device management device includes a future load prediction unit that calculates a load prediction value based on load information of the computing device informed by the computing device and determines whether the load prediction value exceeds a predetermined threshold value. A software allocation unit detects, as a target computing device to be in an overloaded state in future, the computing device determined by the future load prediction unit to have the load prediction value exceeding the predetermined threshold value and determines which computing device is to be an allocation destination of at least one software component operating in the target computing device based on a CPU load, a used memory volume, and a data communication volume of the computing device. An informing unit informs the target computing device and the allocation-destination computing device of information of the allocated software component.