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For Windows 2000 - Windows 10 (2019) (incl. Server, x86 and x64). Latest version: 3.8.5 build 623. .

OPC and DCOM Configuration. Installing OPC Core Components

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OPC and DCOM Configuration on Windows 2008 and Windows 7

1. Preliminary Conditions

1.1 Installing OPC Core Components

OPC Core Components are required for OPC servers and OPC clients to run. If the server and the client are installed on different computers, this package must be installed on both computers. If the client or the server runs on a 64-bit version of the operating system and they are 64-bit applications, you need to install the corresponding version of OPC Core Components.

You can download OPC Core Components free of charge from

Website section with necessary libraries

Fig. 1 Website section with necessary libraries

After you download the libraries, you should install them. You need installed .Net Framework v1 to be able to install the libraries.

Note: It is recommended to restart the computer after you install OPC Core Components.