Configuration system for network appliances, and a method for reconfiguration of appliances

The invention relates to a configuration system for configuration of appliances in networks, for example substation control technology, having at least one appliance to be configured and having elements which are configured in a specific manner, and configuration means for reconfiguration of the appliance on the basis of received new configuration information; and a configuration server, which is connected via a network to the at least one appliance to be configured and which has composition means for creation of new configuration information for the appliance to be configured and means for determination of the present configuration of the at least one appliance to be configured. The invention likewise relates to a corresponding configuration method.