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

Discussions

Nagios XI Community

Overview by

Emily Peterson (Making quirky work)

Value at a Glance

Averages based on real user reviews.

Perceived Cost

$$$$$

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Verified User in Information Technology and Services

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.

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.

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.

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.

Verified User in Information Technology and Services

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.

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.

Verified User in Alternative Dispute Resolution

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.

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.

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.

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.