I actually have a cisco L3 switch between my pc and the CtrlX yes. But there is no filter / firewall for the moment since i'm in lab mode. items used in widgets that do not exist : Yes, for testing, but they are on Layout only And there are items that exist in Process Data Manager, but not on the OPC UA server: i tried tu remove all my items for recipe, these 3 are parts of for tests but even without them it was'nt working. I just downloaded a new recipe demo to be sure and it's the case, not modified and bugged. Nothing to see on Cisco logs for these ips. Are you sure it can be that ? because even on designer mode and with the demo which don't have plc connected it should not be a network issue.
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