What is a pre-requisite before upgrading Cloud Pak for Data System if it has a custom network configuration?
Delete the existing System_Name.yml file.
Run the upgrade-network-setup option with the upgrade command.
Run the /opt/ibm/appliance/platform/apos-comms/customer_network_config script before upgrading.
Ensure there is a System_Name.yml file with the custom network configuration and perform a back-up of the file.
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