We are currently getting the below errors on our splunk Indexers and are every few hours the splunk indexer cluster is placed in to quarantine by the Heavy Forwarders. We have two heavy forwarders inbound to 3 indexers in index cluster. Looking over the logs these are the only errors that we are receiving. 04-01-2019 23:41:19.706 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|263011": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:51090. 04-01-2019 23:41:19.963 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|273702": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-ip]:51086. 04-01-2019 23:41:44.349 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|235289": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:51022. 04-01-2019 23:41:48.991 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|1839654": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:59700. 04-01-2019 23:41:49.075 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|2761310": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:59702. 04-01-2019 23:42:18.862 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|1839654": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:59742. 04-01-2019 23:42:18.875 +0000 ERROR TcpInputProc - Encountered Streaming S2S error=Cannot register new_channel="source::[log location]|host::[hostname]|sourcetype::iis|1839654": desired_field_count=19 conflicts with existing_field_count=0 for data received from src=[HF-IP]:59744. ... View more

Is there a way to search a log and figure out which heavy forwarder sent the log to the indexer? ... View more