Detail: Styria (Austria) was a forerunner in establishing the Human Resources software solution in the public sector, namely to manage adminstration, payroll and integration of more than 55.000 employees. It will be presented how they made their decision, get detailed information of experiences out of the course of the project, and how was found very particular solutions for very particular challenges. Finally you get an outlook of the next steps of process integration by using Employee Self service (ESS) scenarios.