Dipl.-Wirt.-Inform. Andre Boegelsack is a PhD student at Chair for Information Systems (Prof. Krcmar) at Technische Universitaet Muenchen. Andre works as a certified SAP-consultant and Sun Solaris administrator and has a look on nearly 70 SAP systems. During his work at the SAP University Competence Center he uses a lot of time for improving the hosting of SAP systems in big hosting environments. Andre has specialized on working with the zones in Sun Solaris and in administration of the WebAS and MaxDB. He has successful completed different update, patch and migration projects during his work.