Hi here is some apps / writings about this issue. Maybe you could utilise those if you still have events and/or internal events on your instance. Slackbot  17:08 There are a lot of options for finding hosts or sources that stop submitting events: Meta Woot! https://splunkbase.splunk.com/app/2949/ TrackMe https://splunkbase.splunk.com/app/4621/ Broken Hosts App for Splunk https://splunkbase.splunk.com/app/3247/ Alerts for Splunk Admins ("ForwarderLevel" alerts) https://splunkbase.splunk.com/app/3796/ Monitoring Console https://docs.splunk.com/Documentation/Splunk/latest/DMC/Configureforwardermonitoring Deployment Server https://docs.splunk.com/Documentation/DepMon/latest/DeployDepMon/Troubleshootyourdeployment#Forwarder_warningsSome helpful posts: https://lantern.splunk.com/hc/en-us/articles/360048503294-Hosts-logging-data-in-a-certain-timeframe https://www.duanewaddle.com/proving-a-negative/ r. Ismo ... View more