1. A computer-implemented method, comprising: retrieving a predefined configuration model from a plurality of predefined configuration models electronically stored in a configuration repository, the predefined configuration model providing predefined configuration data for a particular software application; comparing the predefined configuration data to existing configuration data of one or more target systems to generate a first delta, a first system landscape comprising the one or more target systems; determining one or more configuration actions based on the first delta; and executing the one or more configuration actions to update a configuration state of the one or more target systems from an initial configuration state.