AccessOPCUA: under specific circumstances the OPC UA server incorrectly assumes that the session has timed out

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  Go to Drivers > New Driver Create a Driver of Type "OPC UA Client Driver" Open the Driver Configuration Go to "Connections" Create a new Connection Enter your Discovery URL Enter your Server URL manually or click the 3 dots to browse the Discovery ...

• OPC-UA Server: DNS Name used in certificate created by zenon.

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• AccessOPCUA: The OPC UA Server does not use the correct SignatureAlgorithm for the endpoint selected by the OPC UA client

  Summary Communication cannot be established between a specific OPC UA client and the AccessOPCUA Process Gateway, when the client uses Basic256Sha256 with sign, and a UserNameIdentityToken with a specific encryption algorithm for authentication.  ...

• OPCUA32: Communication with a specific OPC UA server using username / password for authentication, does not work

  Description The OPCUA32 OPC UA client driver cannot communicate correctly with an OPC UA Server requiring authentication using username/password under specific circumstances. The OPC UA client incorrectly sends password in plain text whereas the OPC ...

• The OPC UA server in the process gateway shall implement a maximum limit of the number of subscriptions per session that an OPC UA client is able to create

  Summary The OPC UA server in the process gateway does not limit the number of subscriptions per session that an OPC UA client can create. A malfunctioning or malicious OPC UA client may create a high number of subscriptions, exhausting the resources ...