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Discover what's new! Watch the Nagios 2024: Feature Showcase.

Nagios XI

Enterprise Server and Network Monitoring Software




Comprehensive IT Infrastructure Monitoring

Extensively monitor critical components, applications, and systems with our own add-ons and thousands of third-party add-ons for comprehensive coverage.

Ensure optimal server performance for all your monitoring endeavors with the Nagios Core 4 monitoring engine, which utilizes high-efficiency processes for scalability and effectiveness.

Visibility and Proactive Awareness

Enhance user access to relevant information with a centralized view of IT networks, processes, and dashboards for quick access to monitoring data and third-party insights.

Preempt infrastructure issues with automated trending and capacity planning graphs and
proactive alerts sent via email, SMS text message, Slack, or Microsoft Teams for swift resolution by IT, stakeholders, and users.

Customizability and Extendable Architecture

Give users and team members the flexibility to tailor layout, design, and preferences on a per-user basis with a customizable GUI.

Extend the functionality of XI to meet your needs
with community add-ons as well as APIs for integrating with both in-house and third-party applications.

Multi-Tenant Capabilities and Ease of Use

Simplify administration with advanced user management to efficiently manage user accounts and ensure clients only see the infrastructure components they’re authorized for.

Facilitate user-controlled configuration with configuration wizards for easy setup without the need for intricate monitoring knowledge.


Powerful Monitoring Engine

Nagios XI uses the powerful Nagios Core 4 monitoring engine to provide users with efficient, scalable monitoring.

Updated Web Interface

Your new dashboard provides a customizable high-level overview of hosts, services, and network devices.

Capacity Planning

Automated, integrated trending and capacity planning graphs allow organizations to plan for upgrades.

Advanced Graphs & More

Administrators can easily view network incidents and resolve them before they become major catastrophes.

Configuration Wizards

Fast Wizards! Simply enter the required information, and you’re up and monitoring with a few simple clicks.

Infrastructure Management

Improved Bulk Host Import, Autodiscovery, Auto Decommissioning, Mass Acknowledgment & much more!

Configuration Snapshot

Save your most recent configurations. Archive it. Revert back whenever you like. Never lose it again. Relax.

Advanced User Management

Easily setup and manage user accounts with only a few clicks then assign custom roles to ensure a secure environment.

Pricing Plans


Industry proven server and network monitoring software. 100-node plans starting at:



Enterprise Edition

Standard edition, and then some. 100-node plans Starting at:


Easy Configuration Wizards

GUI Configuration

Custom User Dashboards

Custom User Views

Executive Summary Report

Custom Actions

Dashboard Deployment

Notification Escalations

Scheduled Reports

Capacity Planning Reports

Managed Reports

Bulk-Modification Tools

Audit Logging

Notification Deployment

SLA Reports

Scheduled Pages

Automated Host Decommissioning

Standard Edition

Enterprise Edition

*Note: Enterprise Edition licenses require annual renewal of Maintenance & Support. Final price will reflect the number of nodes and options selected. Already have Nagios XI and looking to renew?

View our Maintenance & Support plans

System Requirements



Hard Drive

8 GB

40 GB


1 GB

4 GB


1 GHz

2+ GHz




Minimum Requirements:

Hard Drive – 8 GB
RAM – 1 GB
Processor – 1 GHz
Architecture – 64-bit

Reccomended Requirements:

Hard Drive – 40 GB
RAM – 1 GB
Processor – 1 GHz
Architecture – 64-bit

Other Systems Specifications

Operating System:

  • RHEL/CentOS/Oracle Linux 7.x
  • RHEL/Oracle Linux 8.x/9.x
  • CentOS Stream 8/9
  • Debian 10.x/11.x
  • Ubuntu 18/20/22

Supported PHP versions:

  • 5.4 through 8.2 (as of XI 5.11)

Drive Configuration recommended:

  • Raid 5

Offloaded Database Requirements (Optional):

  • MySQL / Mariadb

See our Nagios XI – Hardware Requirements document for more information on running Nagios XI.

Customize Nagios XI to your infrastructure’s needs with thousands of free, community-developed plugins on the Nagios Exchange.