I am porting iFix 3.3/W2K application to iFix 5.5/W7. It uses a custom OPC driver to communicate with a shared memory region (on the same node). The new iFix 5.5/W7 can read the data via the OPC driver, but cannot write. Windows Firewall is disabled. Are there different Windows/OPC security settings required in W7 different from W2K? Is the PowerTool interface different in iFix5.5 compared to iFix3.3 such that I will have to re-create the custom OPC driver using iFix 5.5 PowerTool toolkit?
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