Hello, thanks for this greatful and detailed answer. Prots are opend and UDP activated. The phyical connection to the ctrlX core works. It seems my problem is an other. Undependet from the way, how I try connect the app on the ctrlX I get the Message "Given username / or passoword are invalid". But on the ctrlX I have only one user. For him all permissions are activeated. Needs / Has the WebIQ App an other User? "Have you installed and activated the WebIQ Server App on your ctrlX Core?" - What does mean activated? At the moment I guess I install the App like OPC UA for example an it runs. Thanks a lot, Matthias
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