Nagios XI – Log Locations and Descriptions
Ethan Galstad
This document describes the Nagios Core, Nagios XI, and system logs on a Nagios XI server, including the locations and a brief descriptions of their potential contents and diagnostic uses.
This document is intended for use by Nagios XI Administrators who want to have a better understanding of the logging architecture in Nagios XI and wish to diagnose potential Nagios XI issues with or without the help of Nagios Support.
Nagios XI Log Locations and Descriptions – 2024 & 2026
XI 2026 Log Locations & Descriptions
Nagios XI Log Locations and Descriptions – v5 (Legacy)




