Factorysoft Opc Client — Install

For remote connections, you must configure Windows DCOM settings (via dcomcnfg ) to allow the client to communicate with remote OPC servers. System Requirements

Unlike many modern installers, FactorySoft requires a reboot to finalize COM registration. Do not postpone this—unregistered class factories cause "Class not registered (0x80040154)" errors. factorysoft opc client install

Tip: During installation, if asked to install dependencies like old Visual Basic runtimes or MFC libraries, allow it. These are crucial for the UI to render correctly. For remote connections, you must configure Windows DCOM