Note: Some OPC UA Server (such as the Industrial Gateway OPC Server) will populate their "Trusted Certificate" list when you attempt to connect. This usually means that the CIMPLICITY Instance Certificate needs to be added to the OPC UA Server's trusted list. The problem has to do with the fact that the OPC UA Server that is being connected to is rejecting the connection from the client because the connection is untrusted. What does the error mean and what can be done to resolve it? Connection Test Start-Ĭonnection failed with code "BadCertificateInvalid", which happens in "OpenSecureChannel" on "Server Side". When attempting to connect the CIMPLICITY 9.0 (or higher) OPC UA Client to an OPC UA Server, the following set of errors occurs when testing the connection:
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