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Oracle Solaris vs Windows Server comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 7, 2024

Review summaries and opinions

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

ROI

Sentiment score
5.8
Oracle Solaris enhances ROI with integration, ease of use, troubleshooting efficiencies, despite concerns about costs and limited feature benefits.
Sentiment score
6.2
Windows Server enhances efficiency and cost-effectiveness with stability, reducing dependency, operating expenses, and time/resource usage by 10-20%.
In terms of ROI, there have been performance improvements because Oracle Solaris is lighter.
We're very competitive commercially and technically because of it.
We've seen value in Windows Server because the systems work smoothly without any problems.
Windows Server offers excellent value for money, particularly when compared to alternatives.
 

Customer Service

Sentiment score
5.2
Oracle Solaris support is reliable with 24/7 service, though some users find self-resolution faster than official assistance.
Sentiment score
6.4
Customers appreciate easy setup and positive support but note issues with response times and expertise for complex problems.
The technical support by Oracle is good.
Our in-house team can also solve most issues.
If you go through a partner who sells or supports Windows, the support could be around seven out of ten, because Windows relies on these partners for assistance.
Microsoft's technical support for Windows Server has been lacking, with rare responses even with premium support.
 

Scalability Issues

Sentiment score
6.9
Oracle Solaris offers robust scalability and adaptability, excelling in both vertical and horizontal scaling for large enterprises.
Sentiment score
7.9
Windows Server offers scalable expansion, supporting diverse user bases and enterprises, with integration capability for effective business adaptability.
Regarding vertical scalability, Oracle Solaris is probably one of the most scalable operating systems in the industry.
I've worked in companies with 20,000 to 100,000 users, and it scales beautifully without issues.
I rate its scalability a ten out of ten.
It's definitely scalable.
 

Stability Issues

Sentiment score
8.4
Oracle Solaris is renowned for its high stability, reliable security, and minimal crash occurrences compared to other operating systems.
Sentiment score
7.6
Windows Server is praised for stability and reliability, though some users report security concerns and occasional compatibility issues from updates.
We have experienced no blue screens or crashes and often achieved an uptime of 2,000 to 3,000 days without any issues whatsoever.
Stability-wise, I rate the solution a ten out of ten.
The tool is stable.
 

Room For Improvement

Oracle Solaris users seek better compatibility, modernization, open-source support, and enhanced documentation, with improved interfaces akin to Linux.
Windows Server needs better performance alignment, security enhancements, clearer documentation, integration, UI simplification, and improved technical support.
Oracle Solaris needs to improve its compatibility with office tools like Excel.
Oracle is going to discontinue it, so I do not think any improvement is possible in Oracle Solaris.
From a security perspective, sometimes, malware attacks and hackers take advantage of the tool's vulnerabilities.
Deploying antivirus and firewall software on the server is advisable, but having an external firewall adds an extra layer of security.
Windows Server needs to improve its speed and stability.
 

Setup Cost

Enterprise buyers find Oracle Solaris competitive yet costly, valuing integration and security but noting complex licensing and setup expenses.
Windows Server pricing is seen as complex and expensive, but offers flexible licensing options based on business needs.
I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.
It is quite expensive.
Previously, a Windows Server with two processors cost around two 154 euros annually, but now it is estimated to be around 3,000 to 4,000 euros for the same configuration.
On a scale of one to ten, with ten being the most expensive, I rate it ten out of ten.
 

Valuable Features

Oracle Solaris excels in virtualization, security, and performance with features like Zones and ZFS, offering reliable cloud readiness.
Windows Server excels in feature integration, performance, and ease of use, enhancing enterprise application management and interoperability.
The operating system is lightweight, which makes it easier to use on an average computer compared to systems like Windows.
Additionally, regarding security, you do not have to implement any antivirus software.
Windows Server is a stable and scalable solution.
The most valuable features of the solution stem from the fact that every Microsoft product is scalable, flexible, secure, and available on a certain budget.
The IP directory is the most valuable feature.
 

Categories and Ranking

Oracle Solaris
Ranking in Operating Systems (OS) for Business
10th
Average Rating
8.6
Reviews Sentiment
7.1
Number of Reviews
52
Ranking in other categories
No ranking in other categories
Windows Server
Ranking in Operating Systems (OS) for Business
5th
Average Rating
8.2
Reviews Sentiment
6.9
Number of Reviews
194
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of September 2025, in the Operating Systems (OS) for Business category, the mindshare of Oracle Solaris is 1.9%, down from 3.5% compared to the previous year. The mindshare of Windows Server is 9.8%, up from 8.8% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Operating Systems (OS) for Business Market Share Distribution
ProductMarket Share (%)
Windows Server9.8%
Oracle Solaris1.9%
Other88.3%
Operating Systems (OS) for Business
 

Featured Reviews

Prabir Kumar Kundu - PeerSpot reviewer
Experience robust performance and security for large organizations
For big organizations who look for performance, better security, and better manageability, I usually recommend Oracle Solaris. It is not recommended for smaller organizations because you need a specialized person to manage this operating system. Linux can be managed by anybody. However, maintaining Oracle Solaris, creating clusters, and tuning at the OS level needs a specialized resource. Smaller organizations may not have those resources, or it will be too costly for them to maintain. Everybody is moving towards the cloud. I am not sure how they are going to do that because it is going to be a dead product already compared to its competitors. I would recommend Oracle Linux instead of Oracle Solaris now. On a scale of 1-10, I rate Oracle Solaris a 9.
Jai Prakash Sharma - PeerSpot reviewer
Efficient Management Achieved with Internal Resources and Reliable Technical Support
Maintenance of Windows Server varies by organization, but for us, it's not very difficult as we have in-house resources managing these tasks. However, it can become a bit tricky when we want to see a collated view of our security posture. Regarding AI integrations with Windows Server, Copilot adoption is progressing, though I have only experienced it on endpoints and not on the server side. We operate significant workloads on AI, but we consume those primarily on Linux rather than Windows Server. I don't have much experience regarding integration capabilities in Windows Server for AI workloads, so I may not be the right person to provide insights on that. Overall, I am quite happy with my experience using Windows Server. I don't have many constraints or concerns, so I would rate it eight out of ten.
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Top Industries

By visitors reading reviews
Financial Services Firm
12%
Computer Software Company
11%
Government
10%
Manufacturing Company
9%
Computer Software Company
13%
Comms Service Provider
10%
Government
8%
University
8%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business21
Midsize Enterprise5
Large Enterprise31
By reviewers
Company SizeCount
Small Business77
Midsize Enterprise41
Large Enterprise88
 

Questions from the Community

How does Oracle Linux compare with Solaris?
When comparing Oracle Linux and Solaris, I believe that Linux is more secure and more flexible. It is also very suitable for enterprises that are already Oracle solution users. I found Linux to be ...
What do you like most about Oracle Solaris?
We use the solution as an internal operating system.
What is your experience regarding pricing and costs for Oracle Solaris?
I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.
What needs improvement with Windows Server?
I don't have experience with Windows Server containers and Kubernetes for deploying cloud-native applications. I cannot provide specific improvements for Windows Server because I don't have extensi...
What is your primary use case for Windows Server?
At the office, the main use case for Windows Server involves different functions, for example, file server or firewall and the IIS server, Microsoft Internet Server, Internet Information Services. ...
 

Also Known As

Solaris 11, Solaris
No data available
 

Overview

 

Sample Customers

Siemens, IVV
Rakuten, Rackspace, Tyco
Find out what your peers are saying about Oracle Solaris vs. Windows Server and other solutions. Updated: September 2025.
867,445 professionals have used our research since 2012.