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Nagios Core on CentOS vs Windows Server comparison

 

Comparison Buyer's Guide

Executive Summary

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Nagios Core on CentOS
Ranking in Operating Systems (OS) for Business
26th
Average Rating
8.4
Reviews Sentiment
4.9
Number of Reviews
6
Ranking in other categories
No ranking in other categories
Windows Server
Ranking in Operating Systems (OS) for Business
4th
Average Rating
8.2
Reviews Sentiment
6.7
Number of Reviews
196
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of May 2026, in the Operating Systems (OS) for Business category, the mindshare of Nagios Core on CentOS is 0.1%, up from 0.0% compared to the previous year. The mindshare of Windows Server is 7.5%, down from 9.2% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Mindshare Distribution
ProductMindshare (%)
Windows Server7.5%
Nagios Core on CentOS0.1%
Other92.4%
Operating Systems (OS) for Business
 

Featured Reviews

reviewer2836233 - PeerSpot reviewer
Infrastructure Analyst at a tech vendor with 10,001+ employees
Monitoring has reduced outages and improves proactive issue resolution across our infrastructure
Regarding complexity, I think there is no feature like InfluxDB AI, so it may require more expertise to configure. There are also some migration challenges in adopting the new dashboards, so it takes some time to train the staff, but it is not a big concern. I think it is better to add some advanced features. I do not think there are so many things that need to be improved in Nagios Core on CentOS. If it is better to customize the dashboard or if we can get something like a modern view, it will be helpful for the dashboard. I felt very happy with Nagios Core on CentOS. Why I took off one point is that I think it is better suited for a small or medium setup. If large enterprises can use Nagios Core on CentOS, it will be helpful. It also requires manual editing of the config file, so it is a little bit time-consuming. The web interface is functional, but compared to some other latest AI monitoring platforms, it is a little bit lacking. I think the AI platform would score higher, but it is good. The reporting is just basic, so if we compare it with Grafana, it needs richer insights.
GS
Manager, Information & Cloud Systems at a consultancy with 1,001-5,000 employees
Long-standing experience improves reliability and security, making it a trusted platform
It's difficult to see improvements when using it daily. They improved compatibility with other platforms, such as Linux. One improvement I was thinking about some years ago was the ability to manage an on-premises server from Azure. Now, they have created Azure Arc, and we are using it as a very good way of managing on-premises servers. What can be improved is on the Azure side. With Active Directory on the server side and Entra ID on the Azure side in our hybrid environment, we find issues with data syncing to Entra ID. In Entra ID, Microsoft omitted some parameters. In Active Directory, you can put an expiring date to an account, but you cannot do that in Entra ID. We have other means of doing that, but it's common to have consultants working for six months, requiring account expiration or renewal processes. The Entra ID Connect syncing tool could be improved. Though they moved the service to Azure and use an agent instead of having a dedicated server, it remains cumbersome to set up due to the differences between Entra ID and Active Directory.

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"Using Nagios Core on CentOS had a significant positive impact on the organization at Infosys where I used it by improving system availability, reducing downtime, and enabling proactive issue resolution."
"Nagios Core on CentOS has positively impacted my organization by being very helpful budget-wise, as we rely on open source due to budget constraints for each division."
"Nagios Core on CentOS is not just a technical tool; I feel that it helps the business grow a lot by reducing downtime and improving visibility."
"The best features of Nagios Core on CentOS are complete infrastructure monitoring and real-time alerting and notifications."
"Nagios Core on CentOS has impacted my organization positively because it is impactful to the business, and if the production server is down, Nagios Core on CentOS will check certain services, which impacts production."
"Nagios Core on CentOS has positively impacted my organization because it is an open-source tool that has been very useful in monitoring different services using both custom plugins and the default plugins it provides."
"Since Windows Server has a graphical user interface (GUI), it is easy to use and implement the services that we are using."
"The solution is quite stable and continues to grow its stability reputation year over year."
"Windows Server is stable."
"The biggest and the most important services used in most of the organizations in the world is the Active Directory."
"What I like most about Windows Server is that it's easy to use."
"We can scale the solution if we need to."
"Setting up Windows Server is pretty straightforward. It takes anywhere from a few hours to a day. One person can do it if it's not a complex environment."
"The most valuable feature is the performance."
 

Cons

"Why I took off one point is that I think it is better suited for a small or medium setup."
"Nagios Core on CentOS is very stable and reliable, but it can be significantly improved in terms of automation, scalability, and usability."
"Nagios Core on CentOS is not stable."
"Regarding features, I have tried the application monitoring feature, which is not that great but still useful; for open source, it is very helpful, though there are improvement areas in the application side."
"To improve Nagios Core on CentOS, I believe that many more plugins could be generated by the Nagios organization, such as those for monitoring services of an F5 load balancer or different other hardware devices such as Imperva WAF."
"Nagios Core on CentOS could be improved with an official Docker image from Nagios Core."
"The performance is good but we have had some issues when we use virtual machines."
"Support for direct USB recognition for the virtual machines would improve this solution."
"Regarding drawbacks of Windows Server, the solution can definitely be improved, as it is quite vulnerable since Windows is widely adopted in the industry, making it an easier target."
"The price could be better and the licensing model could be easier to understand."
"Microsoft needs to expand to integrate the Windows Server with Azure and Linux distribution to provide a simple container environment for running dockerized applications."
"Security is the main feature that needs improvement"
"We need to invest more in security when we are using Windows. It tends to be the target of attacks and hacks compared to other operating systems, such as Linux."
"For countries in the Middle East and Africa, their pricing is a little bit high."
 

Pricing and Cost Advice

Information not available
"It is an expensive solution."
"We pay a license to use Windows Server."
"One of the problems with Microsoft is the price of licensing, and volume licensing for educational systems is a great option to bequeath licensing for small businesses."
"The price of the solution should be less expensive. There is an annual subscription to use the solution."
"Windows Server needs to be more flexible with the minimum requirements with the license and options. We are on an annual subscription to use the solution."
"I'm not involved much in the payment part, but I believe that we pay a yearly subscription for licensing."
"Our customers prefer lifetime licenses."
"The tool's licensing costs are yearly."
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Top Industries

By visitors reading reviews
Construction Company
40%
Comms Service Provider
8%
Computer Software Company
7%
Financial Services Firm
7%
Comms Service Provider
11%
University
8%
Computer Software Company
7%
Manufacturing Company
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business1
Midsize Enterprise3
Large Enterprise8
By reviewers
Company SizeCount
Small Business78
Midsize Enterprise41
Large Enterprise89
 

Questions from the Community

Ask a question
Earn 20 points
What needs improvement with Windows Server?
I cannot answer regarding which metrics I use to measure the effectiveness of Microsoft Defender for IoT because I have to check with my technical team. I have been fulfilling a role as IT manager ...
What is your primary use case for Windows Server?
What suits me the most is that for all my OT environment, I can manage all those devices in one secure portal from Microsoft.
What is your experience regarding pricing and costs for Windows Server?
I think the licensing model of Microsoft products, including Windows Server, is not cheap. Microsoft has been guiding us for all the products toward a subscription model instead of a buying model. ...
 

Overview

 

Sample Customers

Information Not Available
Rakuten, Rackspace, Tyco
Find out what your peers are saying about Nagios Core on CentOS vs. Windows Server and other solutions. Updated: May 2026.
894,738 professionals have used our research since 2012.