Hi All, Trying to use Node-red-contribut-opcua, but I get the invalid endpoint message. both my Twincat and UAExpert connect no problem and also tried the palette opcua/for-node-red and that seems to work fine, so I'm at a bit of a loss, why it doesn't work. On Debug I get this message about certi…

Best place to start would be read existing issues and raise a new one if needed: [image] mikakaraila/node-red-contrib-opcua A Node-RED node to communicate OPC UA. Uses node-opcua library. - mikakaraila/node-red-contrib-opcua

Hi Luis, That error usually happens because the node-opcua library expects a certificate file to exist, even if you select None for security. Twincat and UAExpert handle this internally, but node-red-contrib-opcua still tries to reference the default PKI folder. You can fix it by: Manually crea…

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Invalid endpoint message when using Node-Red-contribut-opcua

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system Closed 27 September 2025 20:22 4

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Topic		Replies	Views
OPCUA Client invalid endpoint error node-red-contrib-opcua General	11	1779	2 January 2023
OPC UA certificate error General	1	620	29 April 2022
Invalid endpoint parameters when using node-red-contrib-opcua General opcua	15	1134	1 September 2023
Error: Cannot locate certificate file General	12	4642	25 April 2022
OPC UA Certificate Issue General	2	1516	27 June 2021

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Invalid endpoint message when using Node-Red-contribut-opcua

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