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OPC UA Connector Configurations

All the configurations below refer to the file custom-config.properties which is located at
C:\ProgramData\OPC UA Connector\config\custom-config.properties.

Specify the OPC UA Server Certificate Validity In Years

OPC UA Connector by default will create a pfx certificate for the OPC UA server automatically. The default validity of the certificate is 50 years.

Re-configuring the validity requires the creation of a new certificate.The OPC UA clients who have already configured also need to accept the new certificate

  1. Open the directory where OPC UA Connector is installed.
  2. Open the file custom-config.properties.
  3. Modify the value for the property
    connector.opcua.server.certificateValidityYears.
  4. Rename or delete the previous pfx certificate in the opcuaconnector-installation folder/security. This is step is required to create a new certificate with the new validity.
  5. Restart the OPC UA Connector. If the OPC UA Connector is running as a Windows service, use the opcuaconnector-installation-folder/servicerestart.bat 

Specify the OPC UA server certificate and password

By default, the OPC UA Connector creates a pfx certificate for the OPC UA server automatically. It is optional to provide a custom pfx certificate.

Use the configuration below to specify the certificate filename and the password.

  1. Open the directory where OPC UA Connector is installed.
  2. Open the file custom-config.properties
  3. Change the values for properties:

    Certificate filename  connector.opcua.server.certificateFile=certificate-filename.pfx
    Certificate password  connector.opcua.server.certificatePassword=certificate-password


  4. Restart the OPC UA Connector. If OPC UA Connector is running as a Windows service, use OPC UA Connector-installation-folder/servicerestart.bat.

The custom pfx certificate must be put in opcuaconnector-installationfolder/security folder. Create the folder if it does not exist.

If the file does not exists, the OPC UA Connector will automatically create the pfx certificate with the specified password.

The OPC UA clients who have already configured must accept the new certificate.

Change OPCUA TCP Server Port

  1. Open the directory where OPC UA Connector is installed.
  2. Open the file, custom-config.properties.
  3. Modify the value for the property: server.tcpPort.
  4. Restart the OPC UA Connector.
    If the OPC UA Connector is running as a Windows service, run opcuaconnector-installation-folder/servicerestart.bat.

Change webUI port

  1. Open the directory where OPC UA Connector is installed.
  2. Open the file, custom-config.properties.
  3. Change the value for the property: server.port
  4. Restart the OPC UA Connector. If OPC UA Connector is running as a Windows service, run opcuaconnector-installation-folder/servicerestart.bat.

Change the actuator port

  1. Open the directory where OPC UA Connector is installed.
  2. Open the file custom-config.properties.
  3. Change the value for the property: management.server.port
  4. Restart the OPC UA Connector. If the OPC UA Connector is running as a Windows service, run opcuaconnector-installation-folder/servicerestart.bat.

OPC UA Connector Guide Sections