DCOM Configuration Tutorial This section is intended to provide general guidance on configuring DCOM settings for newer Operating Systems, which do differ slightly from Windows NT and 2000 Operating Systems. This article will simply outline the steps to configure DCOM. If you would like to know and understand the reasons WHY some of these settings are so, then please read: NT/2000 User Security Permissions/Considerations Special considerations in multiple domain settings. We will configure DCOM in 4 steps: Configuring the general/default settings Configuring the settings for OPCENUM Configuring the settings for your OPC Server Configuring the Local Security Policies Starting DCOM Configuration The DCOM Configuration utility can be accessed either in the Windows Control Panel -> Administrative Tools, or the Windows START button. To start it manually: Click on the Windows START button Click on the RUN option Type "DCOMCNFG" (without the quotes) and press ENTER. (case does not matter) This will load the Windows "Component Services", which is shown below: Next > Configuring Default DCOM Settings