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I tried to access OPC Aggregator using third party OPC DA client such as Matrikon Explorer and OPCExpert, but not successful. Matrikon Explorer and OPCExpert is the same PC as OPC Aggregator. Error in OPCExpert said that cannot access because no proper license in OPC Aggregator, but as far as I know the OPC Aggregator doesn't need license. So can ThingWorx OPC Aggregator act as OPC DA server? or only can be OPC DA client?
Article - "Connectivity guidelines for ThingWorx OPC Aggregator": https://www.ptc.com/en/support/article/CS321770
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