This article focuses on the change processes that are related to the internationalization of higher education. On the basis of innovation theory, the internationalization process will be analysed with respect to its various features and stages. An overview of the different types of innovation that occur in the context of internationalization will be given. In particular the last stage of the innovation process, the institutionalisation of internationalisation, will be emphasized. The success and failure factors influencing this stage will be highlighted, thus contributing to a further insight into the sustainability of internationalization strategies, models, and efforts.