Introducing Nagios XI 5

The most powerful and trusted IT infrastructure monitoring solution on the market just got better.

  • Install and deploy in under an hour using built-in monitors, alerts and active reports.
  • Monitor and fix capacity and performance issues across all applications, storage, websites, and any virtualization with one powerful dashboard.
  • Got MSSQL or Mysql servers? Oracle? Discover and fix performance issues fast.

What's New?


Comprehensive IT Infrastructure Monitoring

Provides monitoring of all mission-critical infrastructure components including applications, services, operating systems, network protocols, systems metrics, and network infrastructure. Hundreds of third-party addons provide for monitoring of virtually all in-house applications, services, and systems.


The powerful Nagios Core 4 monitoring engine provides users with the highest degree of monitoring server performance. High-efficiency worker processes allow for nearly limitless scalability and monitoring effectiveness.


Provides a central view of your entire IT operations network and business processes. Powerful dashboards provide at-a-glance access to powerful monitoring information and third-party data. Views provide users with quick access to the information they find most useful.

Proactive Planning & Awareness

Automated, integrated trending and capacity planning graphs allow organizations to plan for infrastructure upgrades before outdated systems catch them by surprise. Alerts are sent to IT staff, business stakeholders, and end users via email or mobile text messages, providing them with outage details so they can start resolving issues immediately.


A powerful GUI provides for customization of layout, design, and preferences on a per-user basis, giving your customers and team members the flexibility they want.

Ease of Use

Integrated web-based configuration interface lets admins hand out control of managing monitoring configuration, system settings, and more to end users and team members easily. Configuration wizards guide users through the process of monitoring new devices, services, and applications – all without having to understand complex monitoring concepts.

Multi-Tenant Capabilities

Multi-user access to web interface allows stakeholders to view relevant infrastructure status. User-specific views ensures clients only see the infrastructure components they’re authorized for. Advanced user management simplifies administration by allowing you to mange user accounts easily. Provision new user accounts with a few clicks and users automatically receive an email with their login credentials.

Extendable Architecture

Multiple APIs provide for simple integration with in-house and third-party applications. Thousands of community-developed addons extend monitoring and native alerting functionality. Custom interface and addon development is available to tailor Nagios XI to meet your organization’s exact needs. Request a Quickstart For Nagios XI


Powerful Monitoring Engine

Nagios XI 5 uses the Nagios Core 4 monitoring engine to provide users with efficient, scalable monitoring of nearly any network infrastructure. XI 2014 allows users to utilize server resources efficiently, maximize their monitoring performance, and maintain a healthy network environment.

Updated Web Interface

A powerful home screen dashboard provides users with a high-level overview of hosts, services, and network devices. The newly improved theme provides a quick and easy-to-navigate interface for increased performance and ease of use.

Advanced Graphs & Visualizations

Nagios XI 5 allows users to quickly view the status of their monitoring infrastructure with comprehensive performance graphs and visualizations. Administrators can easily view network incidents and resolve them before they become major catastrophes.

Performance & Capacity Planning Graphs

Automated, integrated trending and capacity planning graphs allow organizations to plan for infrastructure upgrades before outdated systems catch them by surprise. Performance graphs are automatically created when devices are configured in Nagios XI.

Configuration Wizards

Configure network devices quickly and easily with UI-based Configuration Wizards. Simply enter the required information, and you’re up and monitoring. Tailor Nagios XI to meet users specific needs and monitor entire infrastructures with a few simple clicks.

Advanced Infrastructure Management Capabilities

Improved Bulk-Host Import, Auto-Discovery, Automatic Decommissioning, and Mass Acknowledgment tools allow users to manage large infrastructures quickly and efficiently. Alerts, notifications, and devices can be handled in batches to ensure users receive relevant, up-to-date monitoring information.

Configuration Snapshot Archive

Provides users with an archive of past configuration snapshots to revert to if problems occur in the current configuration. The Configuration Snapshot feature saves the most recent configurations in addition to any snapshots that are archived. The Snapshot Archive ensures configurations remain organized, secure, and allows for a quick recovery when needed.

Advanced User Management

Easily setup and manage user accounts with only a few clicks. Assign custom roles to ensure a secure environment for system administrators. User-specific notification preferences allow users to customize alert settings and notification messages to meet their needs.

Service-Level Agreement (SLA) Reports

Provides users the ability to measure effectiveness of specific hosts, services, and business processes to determine if service-level agreements are being met. Schedule reports to be sent on a recurring basis for quick and accurate network performance statistics.

Nagios XI Webinars

Our experts will take you through a high level overview of the features and benefits of Nagios XI, the standard in IT infrastructure monitoring and alerting software.

Register Now Watch Now

Use Cases

How is it used? Read use cases of how organizations use Nagios XI to address IT challenges including maintaining service level agreements, capacity planning, alerting, and much more.

View Use Cases


We took care to design Nagios XI from the ground up with a powerful architecture that provides organizations with flexibility for the future. And we know good architecture when we see it.


Nagios helps our organization know about outages on our customers' network before they pick up the phone.
Owner NRS Small Business Solutions
Nagios is an integral part of our infrastructure. By notifying us immediately of a service outage, we were able to rectify the issue before our customers and end users experienced any problems.
Jared Bird, Network Security Admin Sunrise Community Banks
Superb product. This is the best.
Stabilys Ltd.

Frequently Asked Questions

The Nagios XI system is comprised of two categories of licensed code: 1) Open Source foundation cores and components like Nagios Core, PNP, and NDOUtils and 2) the Nagios XI UI and system frameworks. The Nagios XI UI and system frameworks are released under a commercial license and contain some code used under license by Nagios Enterprises that cannot be released under an OSS license. Purchasing a Nagios XI license grants you a perpetual license to use the XI UI and system frameworks, including the licensed code.

View more information on frequently asked licensing questions at

Yes! Nagios XI is available free of charge for monitoring small environments. Nagios XI installations with a free license are limited to monitoring seven (7) hosts (nodes). There is no limitation on the number of services that can be monitored with a free license. Students may qualify for increased or unrestricted monitoring limits based on their needs and qualifications.

Nagios XI is supported by our team of professionals. Forum support is included in the base license price for Nagios XI. Optional email and phone support contracts are available to customers who require additional support services.

Yes! We distribute Nagios XI as a virtual machine to ensure you get it up and running quickly. Manual installation is possible to physical servers running RHEL or CentOS and is available to customers that require it.

Yes! Migrating both standalone and distributed Nagios Core environments to Nagios XI is possible. Contact us if you would like professional assistance with migration.

Yes! Nagios XI is designed with extensibility in mind. Because it uses Nagios Core as a monitoring engine, you can use your customer Nagios plugins and event handlers, as well as community addons to extend XI’s native functionality.

Yes! Many of our extensions and addons can work with either Nagios XI or Nagios Core and are released under an OSS license.

We think it means really great things for the long run. First, we’re dedicated to maintaining and developing Nagios Core for the long term. Ethan Galstad – original creator and “Father” of Nagios – is actively involved in the design and development of XI and knows that its long-term success depends on a solid foundation of proven, Open Source components like Nagios Core. We believe Nagios XI benefits the Open Source project by providing increased resources and further improvements in terms of scalability and extensibility. Nagios is more than just the OSS monitoring core – its an entire ecosystem of thousands of addons, extensions, and contributors worldwide. We will continue to further expand and contribute to the community as the result of our work with Nagios XI and our customers.

Other Questions

Read the full technical FAQ section at

Have other questions related to Nagios XI? Feel free to contact us and we’ll get you the answers.

Nagios XI Pricing

License Levels

Nagios XI is available in three different license levels: 100 Node, 200 Node, and Unlimited Node. A node is anything with an IP address or domain that you would like to monitor (switches, routers, firewalls, workstations, and other network devices). There are no restrictions on the number of services that can be monitored. Each license includes twelve months of maintenance (upgrade entitlements) and email support.

Standard Edition vs. Enterprise Edition

Nagios XI is available in two different editions: Standard Edition and an Enterprise Edition. The Enterprise Edition provides users with additional functionality and includes features that are designed to aid in large-scale configuration, forecasting, and scheduled reporting. A complete comparison of features between the two editions can be found here.

Standard Edition
100 Node: $1,995

200 Node: $2,995

Unlimited Node: $4,995

  • Configuration GUI
  • New Wizards & Components
  • Bandwidth Report
  • Executive Summary Report
  • Heartbeat Monitoring
  • Custom Action URLs
  • Remote Machine Monitoring
  • Notification Escalations
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Enterprise Edition
100 Node: $3,495

200 Node: $4,495

Unlimited Node: $6,495
  • Everything in Standard Edition Plus:
  • Automated Service-Level Agreement (SLA) Reports
  • Capacity Planning Reports
  • Web-Based Server Console Access
  • Bulk-Modification Tools
  • Audit Logging
  • GENIUS Auto-Discovery
  • Dashboard/Notification Deployment
  • Automated Decommissioning
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*Note: Enterprise Edition licenses require annual renewal of Maintenance & Support - or - Maintenance-Only contract.

Already have Nagios XI and looking to renew? View our renewal plans.

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