The management of distributed information systems is a complex and tim
e consuming task. Concepts and tools to support experts with the desig
n and operational control of such systems are summarized. An adaptive
approach to system management is described, which is needed to handle
changing demands during system evolvement. Relevant management tasks a
re identified and tools and facilities to support these tasks are pres
ented. This comprises system observation and system control facilities
, a system design tool, a risk management tool and a system administra
tion tool.