--- title: Nagios XI Reviews meta_title: 'Nagios XI Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 58 reviews by the users' company size, role or industry to find out how Nagios XI works for a business like yours. aggregate_rating: rating_value: 4.5 review_count: 58 scale: '5' date_modified: '2026-08-09' parent_category: name: Monitoring url: https://www.g2.com/categories/monitoring --- # Nagios XI Reviews **Vendor:** Nagios **Category:** [Enterprise Monitoring Software](https://www.g2.com/categories/enterprise-monitoring) **Average Rating:** 4.5/5.0 **Total Reviews:** 58 ## About Nagios XI Nagios XI is an enterprise-grade IT infrastructure monitoring and alerting solution designed to provide comprehensive oversight of servers, networks, applications, and services. Built upon the robust Nagios Core monitoring engine, Nagios XI offers a user-friendly web interface, advanced visualization tools, and customizable dashboards, enabling IT teams to proactively identify and resolve issues before they impact business operations. Its scalable architecture supports monitoring from small environments to large-scale infrastructures with thousands of devices. Key Features and Functionality: - Comprehensive Monitoring: Nagios XI delivers full-stack monitoring capabilities, covering networks, servers, databases, and applications. It supports native cloud and virtualization platforms, including AWS, Azure, VMware, and Hyper-V. - Advanced Alerting and Reporting: The platform provides event-driven automation with multi-channel alerting options such as email, SMS, Slack, and Microsoft Teams. It includes customizable dashboards with performance graphs and capacity planning tools to aid in proactive infrastructure management. - User Management and Security: Nagios XI features role-based access control with multi-tenant capabilities, ensuring secure and efficient user management across the organization. - Flexible Deployment and Licensing: Offering hybrid deployment options, Nagios XI supports both on-premises and cloud environments. Its perpetual licensing model eliminates subscription fees, providing cost-effective monitoring solutions. Primary Value and Problem Solving: Nagios XI addresses the critical need for real-time visibility into IT infrastructures, enabling organizations to detect and resolve issues promptly, thereby minimizing downtime and maintaining optimal performance. By consolidating monitoring tools into a single platform, it reduces complexity and operational costs. The solution's proactive alerting and reporting capabilities empower IT teams to anticipate potential problems and implement corrective measures before they escalate, ensuring business continuity and enhancing overall efficiency. ## Nagios XI Pros & Cons **What users like:** - Users value the **comprehensive monitoring** capabilities of Nagios XI, enhancing oversight of diverse infrastructure components effectively. (2 reviews) - Users value the **all-in-one solution** of Nagios XI for its flexibility, ease of use, and cost-effectiveness. (1 reviews) - Users value the **extensive compatibility** of Nagios XI with various endpoints and monitoring protocols. (1 reviews) - Users value the **responsive customer support** offered by Nagios XI, ensuring help is readily available when needed. (1 reviews) - Users value the **flexible dashboard features** of Nagios XI for efficient and tailored monitoring of infrastructure components. (1 reviews) - Users appreciate the **exceptional ease of use** of Nagios XI, enhancing their infrastructure management and monitoring experience. (1 reviews) - Easy Integration (1 reviews) - Easy Setup (1 reviews) - Implementation Ease (1 reviews) - Users value the **proactive monitoring** of Nagios XI, enhancing infrastructure management and customization for diverse needs. (1 reviews) **What users dislike:** - Users find the **initial configuration quite complex** , especially without strong technical expertise, making setup challenging. (1 reviews) - Users find the **initial setup complex** , particularly if lacking technical expertise, which complicates their experience. (1 reviews) - Users face **configuration difficulties** , particularly during initial setup, which can be challenging for teams lacking technical expertise. (1 reviews) - Users find the **initial setup challenging** due to the need for strong technical expertise, making it complex for small teams. (1 reviews) - Users find **inadequate monitoring** for SQL database performance issues, limiting troubleshooting capabilities with Nagios XI. (1 reviews) - Users find the **steep learning curve** of Nagios XI challenging, especially during initial setup and configuration. (1 reviews) - Users find the **initial setup complex** , leading to a challenging learning curve before they can fully utilize Nagios XI. (1 reviews) - Limited Features (1 reviews) - Poor Documentation (1 reviews) ## Nagios XI Reviews ### 1. Great system montitoring **Rating:** 5.0/5.0 stars **Reviewed by:** Thomas N. | IT Specialist, Small-Business (50 or fewer emp.) **Reviewed Date:** June 04, 2019 **What do you like best about Nagios XI?** Nagios does a great job of systems monitoring and alerting. **What do you dislike about Nagios XI?** Nagios takes some time to setup but so does anything that works like this. **Recommendations to others considering Nagios XI:** Nagios offers a free version to try out before you buy. The free version takes more setup but it is full featured and will answer your questions before you take the plunge. **What problems is Nagios XI solving and how is that benefiting you?** Nagios is monitoring our FreePBX, Routers and Switches. Nagios is reporting internet and access point outages round the clock. ### 2. The best popular and modern monitoring tool for systems and network. **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** July 27, 2019 **What do you like best about Nagios XI?** Nagios XI is a powerful server and best network monitoring solution.It is the most trusted network monitoring software in the market.It also provides the utilization of network hardware.User interface is easy to understand and customize the layout or design as per user's priority. **What do you dislike about Nagios XI?** There is nothing to dislike about this software. **Recommendations to others considering Nagios XI:** Use this software at it best and it will definitely fulfill your needs. **What problems is Nagios XI solving and how is that benefiting you?** I am working in network industry and it helps to monitor any of our switches and routers and also gives quick alert if any of the switches and routers goes down. ### 3. Nagios XI **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Internet | Mid-Market (51-1000 emp.) **Reviewed Date:** July 16, 2019 **What do you like best about Nagios XI?** We are in networking industry.We are using the nagios to monitor our different city network.It most powerful software to monitor network devices.It gives us alert when our any device goes down.Using nagios network monitoring becomes very easy.The performance of it is good. **What do you dislike about Nagios XI?** Some times nagios software got hang.There is problem while configuration. **Recommendations to others considering Nagios XI:** It is good for monitoring. **What problems is Nagios XI solving and how is that benefiting you?** We are monitoring our network devices using nagios. ### 4. Nagios XI **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** August 26, 2019 **What do you like best about Nagios XI?** It is good for monitoring of fiber ring network.We having fiber network in different cities. Nagvios is good tool to monitor the connectivity.When any fiber paths goes down nagios gives the alert. **What do you dislike about Nagios XI?** It is good but when same time if multiple fiber paths goes down then its very complicated. **Recommendations to others considering Nagios XI:** It is very good for monitoring fiber network. **What problems is Nagios XI solving and how is that benefiting you?** We are monitoring our fiber connectivity using it. ### 5. A great classic monitoring tool **Rating:** 3.5/5.0 stars **Reviewed by:** Verified User in Security and Investigations | Enterprise (> 1000 emp.) **Reviewed Date:** March 05, 2019 **What do you like best about Nagios XI?** I like the way it summarizes all the services and the servers in a convinient dashboard and the fact that you can monitor services within servers and and servers within hosts. The services status pane is easy to read and to the point and also the licensing count. Its a really great tool that has survived during years as a must have tool for any system admin. **What do you dislike about Nagios XI?** The setup of this tool has remained on the tedious side over the years (ubuntu server setup) having to follow long step by step instructions to put it to work to full potential - compared to other easy to set up monitoring tools like ITMANAGER.net, it falls behind in the setup area - although the user graphical interface has been improving during the years. **What problems is Nagios XI solving and how is that benefiting you?** We are a bussiness that operates 24/7 and we need monitoring tools that would tell us which crucial services go down so we can recover as quickly as possible from downtime and keep the flow of the operation running without mayor draw backs. Monitoring tools like these are indespensible in out working environment due to the nature of our operations. ### 6. Best Software For Network Monitoring **Rating:** 5.0/5.0 stars **Reviewed by:** Verified User in Information Technology and Services | Mid-Market (51-1000 emp.) **Reviewed Date:** July 27, 2019 **What do you like best about Nagios XI?** This software is very useful for monitoring network devices like switches, routers,servers. Its is very easy to understand and this is open source. It has customization options and graphical user interface is average. **What do you dislike about Nagios XI?** Sometimes it gets very hang. Need to improve graphical user interface. **Recommendations to others considering Nagios XI:** Best tool for network monitoring. **What problems is Nagios XI solving and how is that benefiting you?** If our back end device or any path goes down it gives us instant alert so that we can trouble shoot easily. ### 7. Network monitoring fo you **Rating:** 5.0/5.0 stars **Reviewed by:** Hasitha Gayan R. | Manager - SWIFT Operations , Small-Business (50 or fewer emp.) **Reviewed Date:** May 21, 2019 **What do you like best about Nagios XI?** Nagios can be configured to get SNMP alerts on any operating system (Ex. Linux, Microsoft). You can take snapshot of configuration for a system restoration **What do you dislike about Nagios XI?** You need some knowledge on how to set up the system first time. **What problems is Nagios XI solving and how is that benefiting you?** We are monitoring all our networking nodes using this software including customer routers, switched, firewalls. This is real-time monitoring. ### 8. Great for alerts **Rating:** 4.5/5.0 stars **Reviewed by:** Verified User in Retail | Mid-Market (51-1000 emp.) **Reviewed Date:** March 29, 2019 **What do you like best about Nagios XI?** Alerting you when preset definitions are met is great. Outlr CRM system uses process and we have alerts for long run times and if errors are detecteced and its greats. Gives you great overviews of your systems updates also **What do you dislike about Nagios XI?** Nothing to dislike since using this for a few years its always been great. **What problems is Nagios XI solving and how is that benefiting you?** Monitoring network and for monitoring processes in our crm system. ## Nagios XI Discussions - [What is Nagios XI used for?](https://www.g2.com/discussions/what-is-nagios-xi-used-for) - 1 comment - [View Nagios XI pricing details and edition comparison](https://www.g2.com/products/nagios-xi/reviews?page=2§ion=pricing&secure%5Bexpires_at%5D=2026-08-09+09%3A46%3A52+-0500&secure%5Bsession_id%5D=08098abe-d14a-4cc0-991d-629f5ab75f77&secure%5Btoken%5D=2b1928e7415803a6ff9fbfd0b83464c522b81cbcd9dfe4e1613d0ce086e18a23&format=llm_user) ## Nagios XI Integrations - [CheckPoint](https://www.g2.com/products/checkpoint/reviews) ## Nagios XI Features **Functionality** - Performance Monitoring - Alerting - Improvement Suggestions - Multi-Network Capability **Visibility ** - Activity Dashboard - Real-Time Notifications - Uptime Reporting - Customizable Dashboard - Web Traffic Reporting - Real-Time Reporting - Threshold Alerts - Email Alerts **Functionality** - Diverse Systems Monitoring - Real-Time Analytics - Observability **Monitoring** - Performance Baselines - Performance Analysis - Transaction Monitoring - Multi-System Monitoring - Generative AI - Container Monitoring **Monitoring - Network Monitoring** - 360-Degree Network Visibility - Automated Network Discovery - Real-Time Monitoring - Bandwidth Monitoring - IP Address Monitoring - Server Monitoring - Multi-Location Monitoring **Management** - Performance Baseline - Data Visualization - Path Analysis - Real-Time Data - Historical Trend Analysis **Monitoring and Management** - Capacity Management - Performance Baseline - Bandwidth Monitoring - Immediate Alert Notification - Proactive Server Monitoring Software - Generative AI - Audit Trail - User Management - Audit Management - Issue Management - Service Level Agreement (SLA) Management - Configuration Management - Incident Management - Patch Management - Compliance Management - Remote Monitoring & Management - Inventory Management - Policy Management - CPU Monitoring - Network Monitoring - Real-Time Analytics - Server Monitoring - Email Monitoring - Performance Monitoring - Asset Lifecycle Management - Workflow Management - Data Storage Management - Credential Management - Password Management - Virtual Machine Monitoring - Database Monitoring **Management** - Single Pane of Glass - Dashboards and Visualization - Performance Baselines - Alerting **Response** - Dashboards and Visualization - Incident Alerting - Trend Analysis - Data Visualization **Analytics - Network Monitoring** - Predictive Performance Analytics - Packet & Flow Analysis **Cloud environment support** - Server Monitoring For Cloud Deployments - Software Scaling **Security - Network Monitoring** - Encrypted Data Transmission - Zero Trust and Identity Management - Integrated Network Security - Service Level Agreement (SLA) Management - Asset Lifecycle Management - Application Management - Configuration Management - Data Storage Management - Calendar Management - Workflow Management - Compliance Management - Inventory Management - Remote Monitoring & Management - Capacity Management - Change Management - User Management - Configuration Management - User Management - Remote Monitoring & Management - Capacity Management - Compliance Management - Service Level Agreement (SLA) Management - Remediation Management - Network Resource Management - Patch Management **Agentic AI - Application Performance Monitoring (APM)** - Autonomous Task Execution - Cross-system Integration - Adaptive Learning - Proactive Assistance - Decision Making - Third-Party Integrations **Agentic AI - Enterprise Monitoring** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration - Adaptive Learning - Natural Language Interaction - Proactive Assistance - Decision Making **Network Performance - Network Monitoring** - Dynamic Network Optimization - Automated Tasks Routing **Agentic AI - Server Monitoring** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration - Adaptive Learning - Natural Language Interaction - Proactive Assistance - Decision Making - Third-Party Integrations - Capacity Planning **Additional Functionality** - Authentication - Secure Data Storage - Role-Based Permissions - AI Copilot - Automatic Backup - Reporting/Analytics - Event Logs - Maintenance Scheduling - Trend Analysis - Secure Login - Drag & Drop - Access Controls/Permissions - Dashboard Creation - SSL Security - HIPAA Compliant - Real-Time Updates - Scheduling - API - Tagging - Data Migration - Self Service Portal - Disaster Recovery - Purchasing & Receiving - Activity Tracking - Automated Scheduling - Reporting & Statistics - Diagnostic Tools - Status Tracking - Customizable Reports - Alerts/Escalation - Visual Analytics - Event Tracking - Baseline Manager **AI Automation - Network Monitoring** - Machine Learning-Based Anomaly Detection - Self-Healing Networks - Predictive Network Maintenance **Agentic AI - Network Monitoring** - Autonomous Task Execution - Multi-step Planning - Cross-system Integration - Adaptive Learning - Natural Language Interaction - Proactive Assistance - Decision Making - Third-Party Integrations **Additional Functionality** - Audit Trail - Collaboration Tools - Generative AI - Mobile Access - AI Copilot - Configurable Workflow - Data Extraction - Risk Assessment - Charting - Compliance Tracking - Reporting & Statistics - Self-Updating Maps - IT Asset Tracking - Dependency Tracking - Data Import/Export - Data Connectors - Drag & Drop - Map Exporting - API - Color Codes/Icons - Uptime Reporting - Document Storage - Activity Dashboard - Scheduling - Event Logs - Customizable Reports - Web Traffic Reporting - Downtime Tracking - Threshold Alerts - Simple Network Management Protocol (SNMP) - Access Controls/Permissions - Troubleshooting - Maintenance Scheduling - Network Mapping - Performance Metrics - Dashboard - Search/Filter - Vulnerability Scanning - Virtualization - Baseline Manager - Real-Time Notifications - Mobile Alerts - Alerts/Escalation - Bug/Issue Capture - Mobile Network Troubleshooting - Issue Auditing - Customizable Dashboard - Email Alerts - Anti Virus - Diagnostic Tools - Remote Update/Installation - Remote Access/Control - Workflow Automation **Functionality** - Database Monitoring - Cloud Observability **Additional Functionality** - Real-Time Data - Email Alerts - Bottleneck Identification - API - Uptime Reporting - Resource Management - Dashboard Creation - Data Import/Export - Baseline Manager - Issue Tracking - Drag & Drop - Reporting/Analytics - Alerts/Notifications - Prioritization - Collaboration Tools - Real-Time Reporting - Application Management - SSL Security - Incident Management - Access Controls/Permissions - Status Tracking - Audit Management - Customizable Reports - Diagnostic Tools - Single Sign On - Workflow Management - AI Copilot - Activity Tracking - Event Logs ## Top Nagios XI Alternatives - [Checkmk](https://www.g2.com/products/checkmk/reviews) - 4.7/5.0 (294 reviews) - [Zabbix](https://www.g2.com/products/zabbix/reviews) - 4.3/5.0 (206 reviews) - [Paessler PRTG](https://www.g2.com/products/paessler-prtg/reviews) - 4.7/5.0 (205 reviews)