I ran into the same problem. Here is how I solved it. This document states "If your role doesn't have write access to Global team, the New Entity button isn't available." https://docs.splunk.com/Documentation/ITSI/4.14.1/Entity/ImportCSV I also had internal error logs "Unknown role 'winfra-admin'." I created the role winfra-admin and ran 'splunk cmd python itsi_reset_default_team.py' and the button appeared.
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