Is the data making it to Elasticsearch? What are you seeing in localhost:9200/_cat/indices for Elasticsearch? I would also suggest checking the filebeat/metricbeat/packetbeat logs on server 2.
I've made a change which has partially fixed the problem. In the metribeat.yml I changed the parameter setup.dashboards.enable to true and now I'm seeing the dashboard populated, that's a positive fact. On the other hand, I'm getting now the following error when refreshing the Kibana's dashboard: "Field is a required parameter". Do you know why?
By curiosity, why is the dashboard working after changing this flag?
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