A control system for a technical plant, in particular a manufacturing or process plant, which has at least one engineering station server for creating a configuration for components of the technical plant and at least one operator station server for operator control and process monitoring of the configured components of the technical plant, wherein the engineering station server is configured to provide, starting from an already created configuration, a change made by a configuration planner to the already created configuration with at least one change indicator that indicates the change made to the configuration, and to send the at least one change indicator in addition to the changed configuration to the operator station server in order to send information concerning the changes made to the configuration to an operator using the operator station server.