Distributed Component Object Model

Distributed Component Object Model (DCOM) is a proprietary Microsoft technology for communication between software components on networked computers. DCOM, which originally was called 'Network OLE', extends Microsoft's COM, and provides the communication substrate under Microsoft's COM+ application server infrastructure. Distributed Component Object Model (DCOM) is a proprietary Microsoft technology for communication between software components on networked computers. DCOM, which originally was called 'Network OLE', extends Microsoft's COM, and provides the communication substrate under Microsoft's COM+ application server infrastructure. The addition of the 'D' to COM was due to extensive use of DCE/RPC (Distributed Computing Environment/Remote Procedure Calls) – more specifically Microsoft's enhanced version, known as MSRPC.