The book describes the network migration project that was carried out between 2019/2020. The information contained relates to management of such projects and technical aspects, including those related to the selection of a solution for the operation and management of a computer network. The book shows the challenges faced by managers in the case of strategic decisions regarding the technical infrastructure for enterprises administering dispersed IT Infrastructure networks. The examples provided in the book show the status before and after implementation in the form of diagrams and photos along with additional comments and suggestions. The aim of the publication is to share the project experience with readers in order to speed up and simplify future projects.