Description: The Component Object Model (aka COM) is a platform-independent, object-oriented system to create software components that can interact. A COM application usually consists of an executable file and additional components such as DLL files that are used to perform various functions. The key feature of COM is that it is language-independent and promotes the reuse of components from different vendors. DCOM (Distributed COM) is an extension of COM that allows component interaction across machine boundaries - across the LAN, WAN or even over the Internet.
A component is nothing more than a piece of code that exists as an executable file or DLL. A COM component can act in either a client (requesting service or functionality from another component) or server (providing service or functionality to other components) role.
Scoping the Issue:
DCOM specific questions
General DCOM related questions
Windows NT 4.0 Wks/Srv/TS
Windows 2000 Pro/Srv
Windows XP Pro
Windows Server 2003
Data Gathering: When troubleshooting COM\DCOM related errors, keep in mind that the issues could be related to their permission lockdown, network infrastructure, 3rd party or custom application.
Troubleshooting / Resolution:
Make sure that DCOM is enabled on the local and remote machine that you are troubleshooting.
Windows 2000 DCOM Settings
To Enable DCOM Using the DCOM Configuration Utility (Windows 2000)
Windows XP/2003 DCOM Settings
Windows XP or Windows Server 2003
To Enable DCOM Using the DCOM Configuration Utility (Windows 2003 and XP)
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