Oracle Solaris vs Windows Server comparison

Oracle and Microsoft are both solutions in the Operating Systems (OS) for Business category. Oracle is ranked #16 with an average rating of 9.0, while Microsoft is ranked #4 with an average rating of 8.7. Oracle holds a 2.5% mindshare in OSB, compared to Microsoft’s 6.9% mindshare. Additionally, 94% of Oracle users are willing to recommend the solution, compared to 94% of Microsoft users who would recommend it.

Oracle Solaris

Read 53 Oracle Solaris reviews

5,314 Views
5,261 Comparison Views

94% willing to recommend

Windows Server

Read 197 Windows Server reviews

15,270 Views
15,270 Comparison Views

94% willing to recommend

Oracle Solaris

Windows Server

Comparison Buyer's Guide

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Executive SummaryUpdated on Aug 7, 2024

Oracle Solaris and Windows Server are two prominent operating systems for enterprise environments with distinct features and user reviews, offering contrasting advantages. Windows Server seems to have an upper hand due to its user-friendly integration with Microsoft products and cost-effective initial setup.

Features: Oracle Solaris includes advanced security features, superior scalability, and high performance in handling large-scale applications. Windows Server offers easy integration with other Microsoft products, a comprehensive support for application development, and an extensive feature set that appeals to a broad user base.

Room for Improvement: Oracle Solaris needs better user documentation, enhanced third-party application compatibility, and a more intuitive user interface. Windows Server requires improvements in system stability, optimization of integrated tools, and more consistent customer service quality.

Ease of Deployment and Customer Service: Oracle Solaris deployment can be complex and time-consuming but benefits from robust enterprise-level support. Windows Server provides a more streamlined deployment process with extensive documentation, although mixed customer service experiences have been reported.

Pricing and ROI: Oracle Solaris is seen as a premium option with higher setup costs but offers significant long-term ROI due to its stability and performance. Windows Server is more cost-effective initially, with reasonable setup costs and acceptable ROI for businesses leveraging its integration with other Microsoft services.

To learn more, read our detailed Oracle Solaris vs. Windows Server Report (Updated: June 2026).

Buyer's Guide

Oracle Solaris vs. Windows Server

June 2026

Download the complete report

Helped 900,125 peers since 2012

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

4.6

Oracle Solaris offers high ROI with stability, integration, reduced downtime, performance boosts, and cost benefits, enhancing operational efficiency.

Sentiment score

5.4

While complex, Windows Server offers efficiency, reliability, and integration benefits, enhancing competitiveness and delivering strong ROI through cost savings.

In terms of ROI, there have been performance improvements because Oracle Solaris is lighter.

Erick Kathurima

Technology Consultant at Clarinox Technologies Kenya

For more quotes and insights, download the Oracle Solaris report

Overall, the gains in productivity, security, and operational efficiency have provided a strong return on investment.

reviewer2848875

IT at a retailer with 11-50 employees

You get a standard platform that is very secure and stable.

Gustavo Schleider

Manager, Information & Cloud Systems at a consultancy with 1,001-5,000 employees

The return on investment is evident as having efficient resources to manage our infrastructure means we are less dependent on costly external support from Microsoft.

Jai Prakash Sharma

Executive Vice President Technology at InfoEdge India Ltd

For more quotes and insights, download the Windows Server report

Customer Service

Sentiment score

4.6

Oracle Solaris support is 24/7, efficient yet sometimes slow, with helpful tools and mixed user ratings on effectiveness.

Sentiment score

6.3

Windows Server support varies, with some experiencing prompt service while others rely on forums and documentation for help.

The technical support by Oracle is good.

Prabir Kumar Kundu

SR AVP–Presales Cloud & Platform Management Services at Path Infotech ltd

For more quotes and insights, download the Oracle Solaris report

They resolved our problems within the defined SLA.

NirajSingh

Relationship Manager at Cognizant

When I had an issue with Hyper-V, the support was excellent.

Mustafa Farhat

Systems technician. IT Office at LNU

The technical support from Microsoft is one of the best, though there can be challenges when it comes to priority zero or critical issues, where the queue can be longer.

Jai Prakash Sharma

Executive Vice President Technology at InfoEdge India Ltd

For more quotes and insights, download the Windows Server report

Scalability Issues

Sentiment score

6.1

Oracle Solaris excels in scalable performance, efficiently handling extensive workloads with robust file systems and virtualization, despite hardware dependencies.

Sentiment score

7.4

Windows Server is highly scalable, supports diverse user needs, but has resource demands and improvement potential in cloud environments.

Regarding vertical scalability, Oracle Solaris is probably one of the most scalable operating systems in the industry.

Peter Karlsson

System specialist at Savecore

For more quotes and insights, download the Oracle Solaris report

I've worked in companies with 20,000 to 100,000 users, and it scales beautifully without issues.

Gustavo Schleider

Manager, Information & Cloud Systems at a consultancy with 1,001-5,000 employees

Active Directory and Group Policy make it easy to manage a growing number of users and systems from a centralized platform.

reviewer2848875

IT at a retailer with 11-50 employees

We use it everywhere, and it serves approximately two thousand users in our company as a backend service.

Khalid Mgahed

System Engineer at Alnajat charity

For more quotes and insights, download the Windows Server report

Stability Issues

Sentiment score

8.2

Oracle Solaris is highly stable and secure, with rare crashes and minimal disruptions, making it ideal for reliable operations.

Sentiment score

7.5

Windows Server is highly stable and reliable, praised for seamless performance and improvements over previous versions, despite update concerns.

No quotes available

For more quotes and insights, download the Oracle Solaris report

Stability-wise, I rate the solution a ten out of ten.

GurpreetSingh4

Manager at Accenture company

It provides reliable performance for critical services such as Active Directory, file service, DNS, and user authentication.

reviewer2848875

IT at a retailer with 11-50 employees

The stability is better with the newer versions like 2019.

Khalid Mgahed

System Engineer at Alnajat charity

For more quotes and insights, download the Windows Server report

Room For Improvement

Oracle Solaris needs improvements in hardware support, GUI, training, cost reduction, integration, package management, and open-source tool support.

Windows Server needs improved security, stability, cloud integration, simpler UI, better pricing, easier configuration, and broader compatibility support.

The firewall must be more capable because security is the main concern of every organization and every user.

Shafiq Khan

Head Of IT at a financial services firm with 1,001-5,000 employees

Oracle Solaris needs to improve its compatibility with office tools like Excel.

Erick Kathurima

Technology Consultant at Clarinox Technologies Kenya

Oracle is going to discontinue it, so I do not think any improvement is possible in Oracle Solaris.

Prabir Kumar Kundu

SR AVP–Presales Cloud & Platform Management Services at Path Infotech ltd

For more quotes and insights, download the Oracle Solaris report

If Windows could make the OS part lighter, especially starting and restarting the Windows Server, which needs to be quick, then it would be great since this is an area where the tool lacks a bit.

GurpreetSingh4

Manager at Accenture company

The support team is getting worse in terms of expertise.

Harry Murdani

Manager, IT Security at Averis Sdn Bhd

We can work with both virtual and physical setups.

reviewer1217346

AVP at a financial services firm with 1,001-5,000 employees

For more quotes and insights, download the Windows Server report

Setup Cost

Enterprise users find Oracle Solaris pricing complex; it's beneficial for performance but costly compared to Linux, with desired pricing improvements.

Enterprise users find Windows Server costly and complex to license, preferring simpler, more competitive pricing compared to Linux.

I find the pricing of Oracle Solaris to be affordable compared to competitors like Windows.

Erick Kathurima

Technology Consultant at Clarinox Technologies Kenya

For more quotes and insights, download the Oracle Solaris report

On a scale of one to ten, with ten being the most expensive, I rate it ten out of ten.

Harry Murdani

Manager, IT Security at Averis Sdn Bhd

Microsoft offers product pricing with licenses per processor and CAL licenses for accessing.

Gustavo Schleider

Manager, Information & Cloud Systems at a consultancy with 1,001-5,000 employees

The cost associated with Windows Server—considering pricing, licensing, and setup—is expensive, no doubt.

Jai Prakash Sharma

Executive Vice President Technology at InfoEdge India Ltd

For more quotes and insights, download the Windows Server report

Valuable Features

Oracle Solaris offers superior virtualization, security, performance, ZFS features, and seamless Oracle integration, praised for stability and reliability.

Windows Server excels in integration, ease of use, security, scalability, and supports enterprise applications with features like Hyper-V and PowerShell.

The operating system is lightweight, which makes it easier to use on an average computer compared to systems like Windows.

Erick Kathurima

Technology Consultant at Clarinox Technologies Kenya

Additionally, regarding security, you do not have to implement any antivirus software.

Prabir Kumar Kundu

SR AVP–Presales Cloud & Platform Management Services at Path Infotech ltd

Oracle introduced a GUI environment with Solaris 11.5.

Shafiq Khan

Head Of IT at a financial services firm with 1,001-5,000 employees

For more quotes and insights, download the Oracle Solaris report

I can manage the firewalls on the server easily, open or close ports to manage security traffic, and use encryption on the hard disk to keep data secure.

Mustafa Farhat

Systems technician. IT Office at LNU

FTP functionality does not require additional payment because Windows Server already includes the feature, reducing the costs of these tools.

Ciprian Sabo

Team Lead at Regnology

If you need to include an email server, you can't ask about features individually since all features are necessary.

Harry Murdani

Manager, IT Security at Averis Sdn Bhd

For more quotes and insights, download the Windows Server report

Categories and Ranking

Oracle Solaris

Ranking in Operating Systems (OS) for Business

16th

Average Rating

8.6

Reviews Sentiment

6.9

Number of Reviews

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

197

Ranking in other categories

No ranking in other categories

Mindshare comparison

As of June 2026, in the Operating Systems (OS) for Business category, the mindshare of Oracle Solaris is 2.5%, up from 2.2% compared to the previous year. The mindshare of Windows Server is 6.9%, down from 9.3% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Operating Systems (OS) for Business Mindshare Distribution
Product	Mindshare (%)
Windows Server	6.9%
Oracle Solaris	2.5%
Other	90.6%

Operating Systems (OS) for Business

Featured Reviews

Shafiq Khan

Head Of IT at a financial services firm with 1,001-5,000 employees

Long-term server platform has supported secure banking operations and simplified virtualization

Oracle Solaris is a very good operating system. Most of the time, we do not need to change or replace any configuration. If at any point in time we need to change something, it is really simple and a user-friendly environment. Although it is a CLI, Oracle introduced a GUI environment with Solaris 11.5. Currently, 11.5 has the operating system GUI as well as the CLI. The technical persons working on the operating system most of the time prefer to work on the CLI. It is actually really good and easy to use. As it is a server-level operating system, most of the time you do not need any extra features in the operating system because you are not using the operating system on home machines, desktops, or laptop machines. The extra features are not needed if we are talking about the enterprise level or an official operating system.

Read full review

reviewer2848875

IT at a retailer with 11-50 employees

Centralized controls have improved security and simplify user management across our environment

One area where Windows Server could be improved is in simplifying administration and troubleshooting. While Windows Server is powerful, diagnosing issues related to group policy, DNS, replication, and authentication can sometimes be complex and time-consuming. I would prefer to see more intuitive management dashboards, better built-in monitoring and reporting tools, and integration with cloud service-enhanced automation features for routine administrative tasks. This would further reduce manual effort and improve efficiency. Overall, Windows Server is a reliable platform, but making management and troubleshooting more streamlined would help IT teams save time and improve productivity. Another area for improvement is documentation and update management. While Microsoft provides extensive documentation, finding the most relevant troubleshooting information can sometimes be challenging for complex issues involving Active Directory, DNS, or group policy. Updates are important for security, but some updates require careful testing and planning to avoid unexpected impacts on production environments. More detailed pre-update impact analysis and simplified rollback options would be beneficial. Overall, Windows Server is a robust platform, but improvements in documentation, troubleshooting guidance, update management, and administrative automation would further enhance the experience for IT professionals.

Read full review

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Top Industries

By visitors reading reviews

Financial Services Firm

14%

Manufacturing Company

Government

Computer Software Company

Comms Service Provider

10%

Construction Company

Manufacturing Company

Computer Software Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	21
Midsize Enterprise	5
Large Enterprise	32

By reviewers
Company Size	Count
Small Business	79
Midsize Enterprise	41
Large Enterprise	89

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 ...

See all answers

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.

See all answers

What needs improvement with Oracle Solaris?

In my opinion, the GUI was missing, as I mentioned earlier. Oracle has already introduced it. There might be some additional security features. The firewall must be more capable because security is...

See all answers

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 ...

See all answers

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.

See all answers

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. ...

See all answers

Comparisons

Ubuntu Linux vs Oracle Solaris

Compared 14% of the time

Oracle Linux vs Oracle Solaris

Compared 14% of the time

Red Hat Enterprise Linux (RHEL) vs Oracle Solaris

Compared 13% of the time

CentOS vs Oracle Solaris

Compared 10% of the time

Windows 10 vs Oracle Solaris

Compared 5% of the time

More Oracle Solaris Competitors

Windows 11 vs Windows Server

Compared 46% of the time

Red Hat Enterprise Linux (RHEL) vs Windows Server

Compared 9% of the time

Ubuntu Linux vs Windows Server

Compared 8% of the time

Windows 10 vs Windows Server

Compared 5% of the time

SUSE Linux Enterprise vs Windows Server

Compared 2% of the time

More Windows Server Competitors

Product Reports

Buyer's Guide

Oracle Solaris

May 2026

Download Oracle Solaris product report

Buyer's Guide

Windows Server

May 2026

Download Windows Server product report

Also Known As

Solaris 11, Solaris

No data available

Overview

Oracle Solaris stands out for its virtualization capabilities, stability, and comprehensive security measures. Its compatibility with databases and scalable nature make it ideal for enterprise applications, while features like ZFS, DTrace, and Live Upgrade ensure efficient file management and minimal downtime.

Known for exceptional stability and security, Oracle Solaris integrates seamlessly with enterprise environments, supporting IT operations, database hosting, and virtualization. With built-in virtualization through Zones and LDOMs, it efficiently manages cloud frameworks and virtual machines, especially on SPARC systems. Users benefit from predictive self-healing and high availability, critical for mission-centric systems. However, enhancements in third-party x86 support, GUI improvements, and more Linux-like usability would broaden its appeal. Improved documentation, marketing efforts on product continuity, and robust hardware support across platforms would further strengthen its position.

What are Oracle Solaris' most important features?

Built-in Virtualization: Utilize Zones and LDOMs for efficient server management.
Exceptional Stability: Ensure systems remain operational under demanding workloads.
Comprehensive Security: Safeguard data with robust protocols.
ZFS File Management: Manage files efficiently across systems.
DTrace: Troubleshoot system issues effectively.
Live Upgrade: Minimize downtime during updates.
Predictive Self-Healing: Enhance reliability with advanced system diagnostics.

What benefits and ROI should users look for in reviews?

High Availability: Keep mission-critical systems running smoothly.
Scalability: Expand capabilities within diverse server environments.
Robust Performance: Handle intense workloads with ease.
Database Compatibility: Seamlessly integrate with enterprise applications.
Efficient Resource Management: Improved CPU and memory usage reporting.

Oracle Solaris sees strong implementation in industries like banking, CRM, telecom, and manufacturing. It supports database applications and core banking solutions while managing critical applications with strong system management capabilities. Its use in handling environments like Intel and Unix enhances infrastructure benefits, crucial for mission-centric operations.

Oracle

Windows Server offers enterprise-grade solutions with Active Directory, Hyper-V, and Azure integration. Known for its user-friendliness and stability, it is ideal for hosting applications and managing domains, promising scalability and seamless network management across environments.

Windows Server is integral for businesses needing reliable infrastructure for server virtualization and enterprise application deployment. It excels in integrating with Microsoft applications, providing robust support for database hosting, Active Directory management, and remote access. Users benefit from its comprehensive features supporting intense workloads, virtual setups, and efficient domain management. However, it could improve its port security, vulnerability monitoring, and interface intuitiveness. Pricing models also require adjustments to be competitive, and better integration with Linux would enhance system compatibility. Regular updates can impact stability, and the command-line interface could be more efficient compared to Linux.

What are Windows Server's key features?

Active Directory: Facilitates user and resource management.
Hyper-V: Enables server virtualization for enhanced efficiency.
Azure Integration: Connects with cloud services for scalability.
Work Folder Synchronization: Supports seamless data access across devices.
Security: Offers robust measures for protecting enterprise data.

What benefits should users look for?

Ease of Use: Intuitive design simplifies administration.
Stability: Reliable performance across demanding environments.
Integration: Seamlessly connects with Microsoft services.
Scalability: Grows alongside business needs.

Windows Server is implemented across industries for virtual server hosting, enterprise application deployment, and managing complex IT infrastructures. Organizations use it for database hosting, Active Directory management, and leveraging Microsoft's ecosystem, supporting backend operations and enhancing communication security.

Microsoft

Sample Customers

Siemens, IVV

Rakuten, Rackspace, Tyco

Buyer's Guide

Oracle Solaris vs. Windows Server

June 2026

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