DCOM Configuration Tutorial OPC Server Computer Recommended Settings DCOM Tutorial Home This section is provides general for configuring DCOM to allow OPC interoperability. The number of options to configure on the OPC Server are significantly more than the OPC client computer. This document is probably the longest one in the tutorial on how to properly setup DCOM. If you are not already familiar with the DCOM Config utility and how to launch it, please review the DCOM Config Utility Introduction.  There are 3 areas you will need to setup - please do them all before moving to the OPC client setup. Step 1: Default DCOM Configuration for the OPC server computer Step 2: OPC Server specific settings for your OPC server Step 3: Settings for OPCEnum, the tool that lets remote clients browse for available OPC servers on the machine where your OPC servers are installed. If you will NOT be letting remote OPC clients browse for available servers, then you can skip this step. Warning: contents of this tutorial are Copyright Software Toolbox, Inc. 2001-2002, and may not be reproduced in electronic or written form without written permission of Software Toolbox Inc. Anyone found copying copyrighted material from this site for use on another site will be prosecuted. You are welcome to link to this site from your site. The information in this article is accurate to the best of our professional judgement at the time of writing but is subject to change.