Note: If you face this problem in a production environment you should reach out to VMware Global Support at this point. This is not an official guide. And even if you use it in non-prod, please make a backup before any changes. These steps are a mix and match from slack threads, engineering PRs etc that I compiled. So,...
On a recent, fresh installation of LogInsight I observed that no data from a set of hosts was coming into the LogInsight server. Debugging showed not issues related to the usual suspects of DNS, NTP, firewall or network which left me a bit puzzled. I found the answer by going through the logs of the loginsight agent...