--- 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: '2026-08-17' parent\_category: name: Monitoring url: https://www.g2.com/categories/monitoring --- # Nagios XI Reviews & Product Details 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. * * * Seller [Nagios](https://www.g2.com/sellers/nagios) Discussions [Nagios XI Community](https://www.g2.com/products/nagios-xi/discuss) Solution Type Best-of-Breed (A specialized tool focused on a specific business function or use case, offering advanced capabilities and depth within its area of expertise.) Overview by Emily Peterson (Making quirky work) Show More ## Value at a Glance Averages based on real user reviews. ### Perceived Cost $$$$$ [ View More Pricing Information ](https://www.g2.com/products/nagios-xi/pricing) ## Top-Rated Alternatives [ ![Checkmk](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Checkmk") Checkmk 4.7/5(306) ](https://www.g2.com/products/checkmk/reviews) [ ![Zabbix](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Zabbix") Zabbix 4.3/5(209) ](https://www.g2.com/products/zabbix/reviews) [ ![Paessler PRTG](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Paessler PRTG") Paessler PRTG 4.7/5(213) ](https://www.g2.com/products/paessler-prtg/reviews) [ View All Alternatives ](https://www.g2.com/products/nagios-xi/competitors/alternatives) ## User Insights Average based on 58 real user reviews. Perceived Cost $$$$$ [Log in to unlock pricing and user insights](/login) ## Nagios XI Integrations (1) What do users say about integrations? Integration information sourced from real user reviews. ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") UI Verified User in Information Technology and Services (This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture.) Enterprise (\> 1000 emp.) 10/22/2025 "Powerful Monitoring with Broad Compatibility, but Setup Can Be Challenging for Beginners" 4.5/5 What do you like best about Nagios XI? Nagios is compatible with nearly every type of endpoint and a wide range of monitoring protocols. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? The initial configuration can be a bit challenging, especially if your team is small and lacks strong technical expertise. Setting it up for the first time is somewhat complex, and there is a slight learning curve. However, once you get past that, you may find that you can accomplish more with Nagios than with other solutions. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? As part of a NOC team, we rely heavily on Nagios XI to monitor our entire server infrastructure, including all networking devices and related network-level monitoring. Nearly every aspect of our setup is configured within Nagios XI, which has proven to be extremely beneficial for both our team and the organization as a whole. Review collected by and hosted on G2.com. Show More Current User (The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user.)Validated Reviewer (Validated through LinkedIn)Source: Organic (Organic review. This review was written entirely without invitation or incentive from G2, a seller, or an affiliate.) (Copy Review URL) LK Lavana K. DBA lead Enterprise (\> 1000 emp.) 6/17/2025 "Nagios XI Offers Flexible and Cost-effective Monitoring solution" 4.5/5 What do you like best about Nagios XI? Nagios XI is straightforward to implement and use, offering flexible monitoring across a wide range of infrastructure components, all while remaining a cost-effective solution. It also supports the configuration of custom alerts tailored to your business needs. Additionally, Nagios XI integrates seamlessly with ticketing systems like ServiceNow (SNOW), and its customer support is responsive and readily available for urgent assistance. This is a great solution for monitoring key infrastructure components on daily basis such as virtual machines, application servers, file shares, and SQL databases Review collected by and hosted on G2.com. What do you dislike about Nagios XI? While Nagios XI offers a solid high-level overview for monitoring SQL servers, it lacks in-depth insights specifically for troubleshooting SQL database performance issues. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? Nagios XI has been instrumental in monitoring our infrastructure servers, particularly virtual and physical machines, application servers, file shares, and SQL databases, by providing clear visibility into their health status. Its robust alerting mechanism adds significant value by triggering notifications when predefined thresholds are reached. These alerts automatically generate ServiceNow (SNOW) tickets, ensuring that the appropriate support teams are promptly notified and can take action, thereby maintaining the continuous health of our systems. Review collected by and hosted on G2.com. Show More Current User (The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user.)Validated Reviewer (Validated through a business email account)Source: Organic (Organic review. This review was written entirely without invitation or incentive from G2, a seller, or an affiliate.) (Copy Review URL) SM Shubham M. Senior Consultant Enterprise (\> 1000 emp.) 3/10/2026 "Best-in-Class IT Infrastructure Monitoring" 5/5 What do you like best about Nagios XI? So far its a best IT Infrastructure monitoring system Review collected by and hosted on G2.com. What do you dislike about Nagios XI? setup and integration with other devices is way too complex Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? All the parameters of devices such as CPU , Health checks , latency can be checked for a specific device in one go Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through a business email account)Incentivized (This reviewer was offered a nominal gift card as thank you for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review.) (Copy Review URL) ![Shubhangi B.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Shubhangi B.") SB Shubhangi B. Technical research analyst Enterprise (\> 1000 emp.) 5/20/2024 "My working experience on Nagios XI" 5/5 What do you like best about Nagios XI? For me, this tool has been has been of great use and learning , offering exceptional ease of use, scalability, and detailed reporting. It has a lot of customization options and proactive monitoring which have significantly improved our infrastructure management. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? It's a great tool in my overall experience but its initial setup is a bit complex and has a steep learning curve but apart from it, a good one. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? It has prevented downtime, and has identified performance issues, aided capacity planning, and enhanced security. It gives proactive problem resolution, better resource management, and increased overall IT efficiency. Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through LinkedIn)Incentivized (This reviewer was offered a nominal incentive as thanks for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal incentive as thanks for completing this review.) (Copy Review URL) ![Verified User in Information Technology and Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Information Technology and Services") AI Verified User in Information Technology and Services (This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture.) Small-Business (50 or fewer emp.) 7/8/2023 "Nagios XI review" 4/5 What do you like best about Nagios XI? It's UI & functions are good. Also has built in templates for various end points. It also provides graphical reports. With a Dashboard you can monitor easily Review collected by and hosted on G2.com. What do you dislike about Nagios XI? Licenses cost is high. There is issue in monitoring network throughput. As compared to other solutions GUI is not mostly updated. Customization is not easy as compared to other monitoring solutions. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? We used to monitor server uptime and network with Nagios. It sends u notification via push email or sms which allows you to solve the issue on timely manner.. It also helps you to roll back the configuration on a falsely detection Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through LinkedIn)Source: Organic Review from User Profile (Invitation from G2. This reviewer was not provided any incentive by G2 for completing this review.) (Copy Review URL) ![RISHI G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "RISHI G.") RG RISHI G. Service Delivery Manager Enterprise (\> 1000 emp.) 4/2/2023 "One of the best monitoring and Reporting tool" 4.5/5 What do you like best about Nagios XI? - Good and indepth monitoring. - Customised monitoring settings based on the requirement. - User friendly reporting module. - Able to monitor network and server infrastructure with stringent parameters. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? - Quite heavy tool. - Sometime resolving bugs becomes very time consuming. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? - Monitoring of vast network infra of multipl customers. - Able to segregate cuatomer wise monitoring page. - Reporting module is easy to use and able to download the report in format like csv, xlx, pdf, jpeg. Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through LinkedIn)Incentivized (This reviewer was offered a nominal gift card as thank you for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review.) (Copy Review URL) ![Verified User in Alternative Dispute Resolution](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Alternative Dispute Resolution") AA Verified User in Alternative Dispute Resolution (This reviewer's identity has been verified by our review moderation team. They have asked not to show their name, job title, or picture.) Small-Business (50 or fewer emp.) 11/22/2022 "Solid solution. Delivers what it promises. Very flexible and expandable" 5/5 What do you like best about Nagios XI? The ability to write and run in an automated manner virtually every type of program, locally and remotely, and trigger responses/alerts according to expected results. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? The setup time is relatively long. There is no wizard to for initial setup and this would be a helpful too. Logging capabilities are a bit limited when dealing with things not working properly. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? I manage 10s of remote deployed systems, each of them independent. Nagios monitors them, and I have an alerting capabilities integrated to Telegram, enabling me to be aware and respond to events from anywhere. Review collected by and hosted on G2.com. Show More 11/23/2023 (At G2, we prefer fresh reviews and we like to follow up with reviewers. They may not have updated their review text, but have updated their review.) Current User (The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user.)Validated Reviewer (Validated through LinkedIn)Incentivized (This reviewer was offered a nominal gift card as thank you for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review.) (Copy Review URL) ![Aswani K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Aswani K.") AK Aswani K. Enterprise Account Manager Mid-Market (51-1000 emp.) 7/12/2022 "Its a good Monitoring tool for IT infrastructure, especially mid market." 4/5 What do you like best about Nagios XI? A good comprehensive monitoring tool for SMBs. I love the simplicity of the tool and one of the key things I like personally is the Eagle Eye view. Bulk Host Import, Autodiscovery, Auto Decommissioning, Mass Acknowledgment & much more are some of the interesting aspects as well. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? How the pricing is structured, it's a subscription model. However the price increases at a very high margin each year. And being a reseller of Nagios, I hate looking at overall TAM across and Nagios doesn't want to expand, unlike its competitors. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? To begin with, it's a very powerful monitoring tool. It's highly important to understand and know what's going in your Infra and manage the infra as per the demands. It could be either capacity management, Log management. When you have a huge count of servers, storage, networking, end-user, and cloud devices, it's important to know what is happening with all these. More like you want to where your salary and expenditure are going every month right? You have to know and understand so that you can plan better to achieve your goals. Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through LinkedIn)Incentivized (The reviewer received either a gift card or a donation made to a charity of their choice in exchange for writing this review.)Source: G2 Gives Campaign (G2 Gives Campaign. The reviewer received either a gift card or a donation made to a charity of their choice in exchange for writing this review.) (Copy Review URL) FT Francesco T. Monitoring Engineer Small-Business (50 or fewer emp.) 6/10/2022 "Nagios XI monitoring tool" 4.5/5 What do you like best about Nagios XI? It's relialable, scalable and efficient. Allows a lots of custumization that grant you the possibility to monitor whatever you want. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? Not efficient autodiscovery, if the platform to be monitored is huge some OS tuning are needed, not always so simple. Review collected by and hosted on G2.com. Recommendations to others considering Nagios XI: Very useful to distribute the charge on different nagios workers using mod-gearman (fast,reliable and efficient). Very useful the open source plugin 'Bischeck' to configure cheks using a dynamic threshold. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? If you cannot do something with another tool for sure we0ll be able to do it with Nagios XI Review collected by and hosted on G2.com. Show More Current User (The reviewer uploaded a screenshot or submitted the review in-app verifying them as current user.)Validated Reviewer (Validated through a business email account)Incentivized (This reviewer was offered a nominal gift card as thank you for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review.) (Copy Review URL) ![Anush A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Anush A.") AA Anush A. Senior Software Engineer Mid-Market (51-1000 emp.) 6/14/2022 "Good infra monitoring system, able to configure metrics and alerts easily, useful to debug." 5/5 What do you like best about Nagios XI? Customisable plugins to write, to check values for our own custom metrics and write rules and alerts on top of them, to build a robust observability system. Review collected by and hosted on G2.com. What do you dislike about Nagios XI? The UX of the adagios dashboard system can be a little more intuitive and user friendly, rather than a set of colored rows. Review collected by and hosted on G2.com. Recommendations to others considering Nagios XI: Make the best use of nagios by using custom plugins as well. Review collected by and hosted on G2.com. What problems is Nagios XI solving and how is that benefiting you? Our infra monitoring system is built on nagios and with that we are able to ensure high availability and scalability for our system. Review collected by and hosted on G2.com. Show More Validated Reviewer (Validated through a business email account)Incentivized (This reviewer was offered a nominal gift card as thank you for completing this review.)Source: G2 invite (Invitation from G2. This reviewer was offered a nominal gift card as thank you for completing this review.) (Copy Review URL) ## Questions about Nagios XI? Ask real users or explore answers from the community Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights. [ Ask about Nagios XI ](https://www.g2.com/products/nagios-xi/discussions/new) GU Guest User • Last activity over 2 years ago What is Nagios XI used for? 0 Upvotes 1 [ Join the conversation ](https://www.g2.com/discussions/what-is-nagios-xi-used-for) [ View all Discussions ](https://www.g2.com/products/nagios-xi/discuss) ##### Pricing Pricing details for this product isn’t currently available. Visit the vendor’s website to learn more. [ View More Pricing Information ](https://www.g2.com/products/nagios-xi/pricing) Nagios XI Comparisons ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_8c2523354c999aecfc912e8417dbab8b/checkmk.jpg "Product Avatar Image") Checkmk 4.7/5(306) [ Compare Now ](https://www.g2.com/compare/checkmk-vs-nagios-xi) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_a7650f11b01ccd7a9b1e8aebcfc869d7/zabbix.png "Product Avatar Image") Zabbix 4.3/5(209) [ Compare Now ](https://www.g2.com/compare/nagios-xi-vs-zabbix) ![Product Avatar Image](https://images.g2crowd.com/uploads/product/image/small_square/small_square_044cfbf6c03d107e5357e29e95fd9136/dynatrace.png "Product Avatar Image") Dynatrace 4.5/5(1,366) [ Compare Now ](https://www.g2.com/compare/dynatrace-vs-nagios-xi) ##### ##### Nagios XI Features Functionality Performance Monitoring Alerting Improvement Suggestions Management Performance Baseline Data Visualization Path Analysis Visibility Activity Dashboard Real-Time Notifications Uptime Reporting Monitoring and Management Capacity Management Performance Baseline Bandwidth Monitoring [ View More Features ](https://www.g2.com/products/nagios-xi/features) ##### Categories on G2 [Network Monitoring](https://www.g2.com/categories/network-monitoring)[Application Performance Monitoring (APM)](https://www.g2.com/categories/application-performance-monitoring-apm)[Enterprise Monitoring](https://www.g2.com/categories/enterprise-monitoring) [Server Monitoring](https://www.g2.com/categories/server-monitoring) [Show MoreShow Less](javascript:void(0);) ##### Explore More [What are the best AI writing software for content creation businesses?](https://www.g2.com/discussions/what-are-the-best-ai-writing-software-for-content-creation-businesses)[What file reader software is highest rated for organizations replacing legacy file management systems?](https://www.g2.com/discussions/what-file-reader-software-is-highest-rated-for-organizations-replacing-legacy-file-management-systems)[Best software for multi-format content creation](https://www.g2.com/discussions/which-is-the-best-software-for-multi-format-content-creation) [Submittable vs Bloomerang CRM: which is the highest rated grant management platform for organizations scaling operations while improving productivity and team satisfaction?](https://www.g2.com/discussions/submittable-vs-bloomerang-crm-which-is-the-highest-rated-grant-management-platform-for-organizations-scaling-operations-while-improving-productivity-and-team-satisfaction)[Which public records management software tracks request status and enforces response deadlines?](https://www.g2.com/discussions/which-public-records-management-software-tracks-request-status-and-enforces-response-deadlines)[Pros and Cons Details](https://www.g2.com/products/nagios-xi/reviews?qs=pros-and-cons) [Show MoreShow Less](javascript:void(0);)