dcomconfig.exe is a command line entry to open Microsoft Management Console. (see also mmc.exe) Microsoft Management Console has admin tools to administer networks, computers, services, and various system components. Commen Object Model (COM) -provides an interface for various programs to interact with commen objects(system resources). Distributed Component Object Model (DCOM) -Similar to COM but over networks. (COM+) -Similar to COM but with added features like more management capabilities.