invis servers are Active Directory based servers for small and micro-enterprises based on openSUSE Linux. They offer comprehensive services in terms of office automation, network organization and data management - from DHCP to ERP. They are characterized by their ease of use and administration. The project aims to micro and small businesses, with the opportunity, administrative activities such as network integration of new PCs and printers without any IT-skills, as well as IT service providers to give a system for simple building complete server appliances for the small business sector to the hand.