Admin Report Kit for Windows Server (ARK) - Version 3.0 Admin Report Kit for Windows Server (ARK) is a powerful reporting tool for the Microsoft Enterprise Network. ARK presents information, about logical entities present in the Microsoft Enterprise Network, in the form of trees, tables and views. All categories of information reported by ARK are available across the domains in the enterprise. This means that information may be viewed and reported for several systems in the enterprise simultaneously, from a single location.