Adding a Certificate to the Trusted List

You can add a certificate to the list of trusted certificates for the Gateway. You can also add a certificate for ASB (ArchestrA Service Bus) OPC UA client service, if applicable. Use the same procedure and tools to add a certificate to the trusted list of an OPC UA server.

To add a certificate to the trusted list

1. Click Start, and navigate to OPC Foundation.

2. Open the UA Configuration Tool.

3. On the Manage Security tab, click Edit next to the Application to Manage text box. The Modify Application Information dialog appears.

   

4. Point to the Gateway.

   1. Use the Browse button to find and select the Executable File. This will populate the Application Name text box.

   2. Use the Browse button to find and select the Configuration File.

   Click OK to close the dialog.

   Note: If you are adding a certificate to a UA server trusted list, point to the server executable file and application name.

5. On the UA Configuration Tool, click Select Certificate to Trust. The Manage Certificates in Certificate Store dialog appears.

   

6. Select the server certificate you want to trust, then click OK.

7. Confirm the certificate has been added to the trust list. On the UA Configuration Tool dialog, click View Trusted Certificates. The Manage Certificates in Certificate Store dialog appears, and displays a list of trusted certificates.