A workshop system, with a plurality of diagnostic and/or programming devices, which are networked by means of data links and are intended for vehicles is provided. In order to enhance the reliability of workshop systems of the prior art, a warning indicating the occurrence of an event, which requires that a workshop employee intervene at a moment's notice at a first diagnostic and/or programming device of the networked devices is forwarded, as an alternative or in addition, to a second or an additional diagnostic and/or programming device to be communicated to the workshop employee.