DCOM or Distributed Component Object Model is used primarily for the allowance of communication between clients and (OPC) servers with the same computer that run the Windows OS. It allows COM components to communicate among objects on different computers. DCOM uses Remote Procedure Call (RPC) to allow COM to communicate beyond the boundaries of the local machine to a remote machine.

Out of the box, your OPC server will not work or connect with WIN-911. You will need to configure DCOM for your environment so that you will have the proper permissions to access, connect, and communicate from WIN-911 to your OPC server.


The instructions on how to perform DCOM settings can be found with the following link, based on your Windows OS: DCOM Setup

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