Connection to MQTT server fails after importing flows

When copying mqtt-in flows from old Node-RED flow (weaving_DCCAachen) the input nodes can’t connect.

Problem

When copying mqtt-in flows from old Node-RED flow (weaving_DCCAachen) the input nodes can’t connect. The root cause is that there is an old MQTT server still preselected (”ia_mosquitto”)

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Solution

Change the server to united-manufacturing-hub-vernemq:1883

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If it does not exist yet, create a new one (in newer versions you do not have to specify “ia_nodered” anymore):

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