--- title: Nagios XI Reviews meta_title: 'Nagios XI Reviews 2026: Details, Pricing, & Features | G2' meta_description: Filter 59 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: 59 scale: '5' date_modified: '2026-10-13' parent_category: name: Monitoring url: https://www.g2.com/categories/monitoring ---

Nagios XI Reviews & Product Details

Profile Status

This profile is currently managed by Nagios XI but has limited features.

Are you part of the Nagios XI team? Upgrade your plan to enhance your branding and engage with visitors to your profile!

Pricing

Pricing provided by Nagios XI.

Free Edition

Free

Standard Edition

Starting at $2,595.00
With One-Time Purchase

User Insights

Average based on 59 real user reviews.

Perceived Cost

$$$$$

Typical contract price

$0k - $0k

Sign in to view

With One-Time Purchase

Nagios XI Reviews (59)

Reviews

Nagios XI Reviews (59)

4.5
59 reviews

What do users say?

Generated using AI from real user reviews
Users consistently praise the flexibility and scalability of Nagios XI, highlighting its ability to monitor a wide range of infrastructure components effectively. The software is valued for its customizable alerts and detailed reporting features, which enhance proactive monitoring. However, many reviews note that the initial setup can be complex, requiring a steep learning curve for new users.

Pros & Cons

Generated from real user reviews
View All Pros and Cons
Search reviews
Filter Reviews
Clear Results
G2 reviews are authentic and verified.
Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI -Best tool for network monitoring."
4.5/5
What do you like best about Nagios XI?

Nagios XI is popular monitor tool in market because of its features.It having good features that fulfills the our device monitoring needs.We are easily able to check device status using this wonderful tool. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

It takes to much times to refresh the page.Need more space to run software as compare to other software. Review collected by and hosted on G2.com.

Verified User in Information Technology and Services
UI
Verified User in Information Technology and Services
Mid-Market (51-1000 emp.)
"The Powerful And Trusted Network Monitoring Software."
5/5
What do you like best about Nagios XI?

Nagios XI delivers the best network, server, application monitoring solution. It is a powerful software that offers monitoring, alerting, and reporting. It is very easy to set up and is very helpful. The scalability and flexibility are also very good. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

Sometimes it does not work properly and it gets hanged. Review collected by and hosted on G2.com.

Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI-Smart tool"
5/5
What do you like best about Nagios XI?

It is the best tool for monitoring. It is good for midsize enterprises to monitor their network from a remote location. We are able to monitor our whole network from one point. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

Nagios XI requires a large screen to monitor the network if we have a wide network. Review collected by and hosted on G2.com.

Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI"
5/5
What do you like best about Nagios XI?

It is a monitoring tool with alerts. It gives us alerts for network outages. The configuration is very easy. We are easily able to configure our host. It's open source and easy to understand. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

It requires more RAM and space. The functionality is sometimes slow. Review collected by and hosted on G2.com.

Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI-Best tool for enterprise industry"
4.5/5
What do you like best about Nagios XI?

Nagios XI is a powerful tool for the enterprise industry to monitor their enterprise network. It provides a complete monitoring solution. For server monitoring, it's the best tool. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

It requires 2 GB memory for running the software. Review collected by and hosted on G2.com.

Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI-Good for monitoring"
5/5
What do you like best about Nagios XI?

It is helpful in Proactive monitoring. Via Nagvios we are able to monitor our whole network from center point. We are able to manage and monitor our network from one point via nagvios. It's very helpful for live monitoring. It gives us alerts when any events occur in the network. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

It required 2 GB memory to run the applications. Review collected by and hosted on G2.com.

Verified User in Internet
UI
Verified User in Internet
Mid-Market (51-1000 emp.)
"Nagios XI-1.76 good tool"
5/5
What do you like best about Nagios XI?

Nagios provides a complete monitoring solution. We are using it to monitor our end-to-end connectivity. It is easy to monitor end-to-end fiber connectivity using it. When any of our fiber paths go down, Nagios highlights it in red and also gives an alert. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

Sometimes it hangs frequently. All other functions are easy. Review collected by and hosted on G2.com.

Verified User in Information Technology and Services
UI
Verified User in Information Technology and Services
Mid-Market (51-1000 emp.)
"Nagios is the best application for monitoring."
4.5/5
What do you like best about Nagios XI?

Nagios is the best application for monitoring of servers' performance. We can monitor multiple lists of servers from one Nagios console. When we configure the server in Nagios, we can get the alert email in our mailbox. We can easily find out the issue and fix it. We can monitor CPU utilization, memory utilization, drive disk space utilization, server start and down alerts. We can monitor multiple services on servers. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

Most of the time I observed, we receive alerts very late in our mailbox and we are very late for troubleshooting the server issues. Review collected by and hosted on G2.com.

Verified User in Information Technology and Services
UI
Verified User in Information Technology and Services
Mid-Market (51-1000 emp.)
"Best and most trusted software for network monitoring tool used in our company."
5/5
What do you like best about Nagios XI?

Because of this software we can do live monitoring through which it becomes easy to know the actual back-end issue. Indication or we can say alerting provided while monitoring makes it easy to find the issue. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

Sometimes this software gets hanged and gives late alerts. Review collected by and hosted on G2.com.

AT
Akshay T.
network engineer at an ISP company
Mid-Market (51-1000 emp.)
"A great monitoring tool for enterprise software & devices"
4/5
What do you like best about Nagios XI?

we have been using nagios for monitoring out network devices in which majority are network switches, the software works on a server and basically compares the parameters of your devices and compares them with a standard set value and gives out results, you can monitor your software as well as hardware devices. overall the experience has been satisfactorily. Review collected by and hosted on G2.com.

What do you dislike about Nagios XI?

The tool works great for minimal number of entities, As the scalability of your devices or software starts to increase the tools starts to hang a bit, also the responsiveness to issues arrival is a bit lacky but gives out appropriate results Review collected by and hosted on G2.com.

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.

GU
Guest User
•
Last activity 12 days ago

What is Nagios XI used for?

0 Upvotes
1
Join the conversation

Pricing Options

Pricing provided by Nagios XI.

Free Edition

Free

Standard Edition

Starting at $2,595.00
With One-Time Purchase

Enterprise Edition

Starting at $4,690.00
With One-Time Purchase
Nagios XI Comparisons
Nagios XI Features
Performance Monitoring
Alerting
Improvement Suggestions
Performance Baseline
Data Visualization
Path Analysis
Activity Dashboard
Real-Time Notifications
Uptime Reporting
Capacity Management
Performance Baseline
Bandwidth Monitoring