OPC Training Institute (2007) OPC and DCOM 5 things you need to know
OPC Training Institute (2007) OPC and DCOM 5 things you need to know

OPC technology relies on Microsoft’s COM and DCOM to exchange data between automation
hardware and software; however it can be frustrating for new users to configure DCOM
properly. If you have ever been unable to establish an OPC connection or transfer OPC data
successfully, the underlying issue is likely DCOM-related. This whitepaper discusses the
steps necessary to get DCOM working properly and securely.
A simple and effective strategy to establish reliable DCOM communication involves the
following steps:

  1. Remove Windows Security
  2. Setup mutual User Account recognition
  3. Configure System-Wide DCOM settings
  4. Configure Server Specific DCOM settings
  5. Restore Windows Security

In addition, the whitepaper covers troubleshooting tips to identify common OPC and DCOM
problems, their symptoms, causes, and how to solve them. This will help integrators set up
reliable and secure OPC connections.

OPC Training Institute (2007) OPC and DCOM 5 things you need to know

OPC Training Institute (2007) OPC and DCOM 5 things you need to know

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