Spokesman Ishmael Mnisi said the department will determine what their next move will be.
“However, it's content and it's decision as it stands is welcomed by the department," said Mnisi.
"Further action from our side will be done after have detailed and studied this court judgment.”
Former Transport Minister Dipuo Peters dissolved the board after a public spat with its acting CEO Collins Letsoalo.
The board accused Lestoalo of hiking his pay without its knowledge and fired him.
Peters says the spat had contributed to a deteriorating state of affairs at Prasa.
She then put in place an interim board.