Nagios XI is Core, but so much more. Import your existing hosts, services, and plugins, then let the Configuration Wizards handle the setup, keeping your old Core server as a backup in case you need to roll back at any time.
Full enterprise features – No credit card required.
These are some of the few reasons Core users tell us they’re thinking about switching. Recognize a few?
Still editing config files by hand every time something changes.
90+ Configuration Wizards set up hosts and services for you, and import your existing Core files. Tweak anything by hand when you want to; skip it when you don't.
Give every team, department, or client their own view. Granular role-based permissions control exactly what each user can see and do, so the right people get the right access.
Build custom tactical dashboards using a variety of built-in monitoring dashlets, including interactive graphs, status cards, visual health gauges, geographic maps, and more.
Turn monitoring data into answers. Generate availability, capacity, and SLA reports on demand or on a schedule, then export and share them with your team.
Automate everything and wire Nagios XI into your stack. A full JSON REST API lets you query host and service status, manage configurations, and trigger actions programmatically.
Get help from the people who build Nagios. Enterprise support plans deliver fast response times, expert guidance, and direct access whenever you need it.
All the monitoring power, none of the per-element bill.
| Nagios Core | Nagios XI | |
|---|---|---|
| Automatic Configuration | No Wizards, Hand-edit text files | Wizards + import your existing files |
| Built-in Dashboards & Graphing | Build your own or use third party | Highly customizable, built-in perf graphs, charts, and more |
| REST API | Read-only JSON data via legacy CGIs and pipes | Full REST API to read data and write configs |
| Reporting | Raw JSON text history requiring manual data extraction | Automated endpoints for SLA tracking, audits, and PDF/CSV export |
| Authentication & Security | Basic Apache HTTP authentication or manual config files | Per-user secure API tokens, Active Directory/LDAP, and MFA |
| Notifications | Basic alert files; manually scripted email pipelines | Multi-channel alerts, escalation policies, and incident remediation |
| Setup | Command line | Web UI + 90+ wizards |
| Scaling / distributed | Do it yourself | Distributed & Multi-tenant |
| Multi-Tenancy | Complex file-level visibility logic and command segmentation | GUI tenant isolation, role-based controls, and client views |
| Support | Community Forum | Direct support + Quickstart |
| Migration | – | Automatic import / roll back anytime |
Most of the work is automated. You’re never working without a backup, and your current monitoring never goes dark.
Stand up XI on a separate server. Your existing Core box keeps running and monitoring exactly as it does today.
The automatic migration tool pulls your hosts, services, plugins, and contacts directly from Core, removing the need to rebuild from scratch.
Run both in parallel until you’re satisfied XI is solid. Decommission Core on your schedule and keep the backup just in case.
Yes. Because you migrate to a new server and keep your old one, you can fall back to your existing Core setup at any point. Nothing is overwritten.
“The ease of administration and great price drove us to Nagios. Paying a little for XI was well worth it; it has paid for itself time and time again in saved time and better service delivery.”
System Administrator, University of St. Thomas
“We really appreciate the graphs, pre-sets, and configuration inserts. Our customers love the reporting because we can customize the reports for what they need.”
Co-Founder, Rely IT
“The configuration wizards eliminate manual typos. Plus, the API automates deployment while built-in ‘sanity checks’ protect our live monitoring engine.”
Reddit Forum User
Start a free 30-day trial with unlimited nodes, or have us walk you through it on a personalized demo.
Full enterprise features – No credit card required.
