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AVEVA™ Adapter for OPC UA

Configure server-level failover

  • Last UpdatedOct 27, 2025
  • 1 minute read

Complete the following steps to configure a server-level failover data source.

Postman

To configure server-level failover using Postman:

  1. To initialize the configuration, use the PUT method in conjunction with the http://localhost:5590/api/v1/configuration/system/RedundantServers REST endpoint.

    Note: When configuring a server-level failover, you must list one (or more) data sources in the RedundantServers configuration option in the component.

  2. Copy and paste an example configuration for data selection into the Body section.

    For sample JSONs, see the Examples section.

  3. Update the example JSON parameters for your environment.

  4. Select Send to push the configuration to the adapter.

EdgeCmd

To configure data selection using EdgeCmd:

  1. Using a text editor, create an empty text file.

  2. Copy and paste an example configuration for a data source into the file.

  3. Update the example JSON parameters for your environment.

    For sample JSONs, see the Examples section.

  4. Save the file. For example, ConfigureRedundantServers.json.

  5. Open a command line session. Change directory to the location of your saved file.

  6. Use the following edgecmd command with the name of your JSON file. For this example, we will use ConfigureRedundantServers.json for the saved file.

    edgecmd -port <port number> -cid <ComponentID> set DataSelection -file /.ConfigureRedundantServers.json

  7. Configure Data selection.

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