By digital transformation the German SME sector is faced with huge challenges. It also turns existing corporate processes upside down. 82 percent of the managers who were interviewed for a recent survey expect that the internal communication will accelerate significantly. Four out of five are convinced that the transfer of knowledge will play a key role. Three quarters are also convinced that it is necessary that IT and other departments close ranks. Business-simulations effectively support the required transformation process. Topic of this article is to show how they can help changing the attitude and perspective to generate sustainable value from Industry 4.0.