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Microsoft Windows Server Update Services vs Qualys CyberSecurity Asset Management comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Feb 8, 2026

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
3.2
Windows Server Update Services provides free, efficient patch management, automates updates, centralizes downloads, and reduces crashes and internet usage.
Sentiment score
4.9
Qualys CyberSecurity Asset Management boosts efficiency, reduces costs, enhances security, and delivers a 95% ROI with 35% cost reduction.
If they have some bundle options to pay less for more, we will get it and use it.
Senior Oracle DBA at a financial services firm with 11-50 employees
Improvements to our security infrastructure contributed to overall business growth of approximately 150 percent over the past year.
Android Developer at Droidforge
By automating tasks, it significantly reduces the human resources required, leading to increased efficiency and productivity.
Senior Manager at a consultancy with 10,001+ employees
It has reduced the number of development and scripting hours along with maintenance hours.
Security Operations Manager at Solventum
 

Customer Service

Sentiment score
4.1
Users criticize Microsoft Windows Server Update Services support for slow responses and inconsistency, preferring online resources or premium support.
Sentiment score
7.5
Qualys CyberSecurity Asset Management's customer service is highly praised for its responsiveness, effectiveness, and swift problem resolution capabilities.
Microsoft Update provides one of the worst support experiences among all tech companies that I have experienced.
Lead - Technical Services at Impetus
When you pay for the support, you are guaranteed resolution, and I don't think anybody else does that.
IT Manager at Handi Quilter, Inc.
I explain that I am unhappy because it takes too long for a reaction.
System Administrator at Waternet
The support team was knowledgeable and offered a variety of quick resolution options.
Android Developer at Droidforge
Their SMEs have sufficient knowledge, and if they are not the right contact, they quickly redirect us to someone who can help resolve issues.
Senior Information Security Engineer at a consultancy with 10,001+ employees
I would rate their customer support a ten out of ten.
Information Security Lead at a consultancy with 10,001+ employees
 

Scalability Issues

Sentiment score
5.2
Windows Server Update Services is scalable and adaptable but may experience performance issues in large, stressed deployments.
Sentiment score
7.8
Qualys CyberSecurity Asset Management excels in scalability, supporting diverse environments with numerous users, networks, and large datasets efficiently.
Though there are options to use Microsoft MS SQL, it does not support more than 3,000 clients.
Lead - Technical Services at Impetus
We have about 300,000 assets installed with agents worldwide.
Information Security Lead at a consultancy with 10,001+ employees
The scalability is excellent as we manage more than one hundred thousand assets, including over one hundred thousand endpoints, approximately 2,600 servers, and more than 1,200 network devices.
Cyber Security Specialist at a financial services firm with 10,001+ employees
Qualys Cybersecurity Asset Management has proven to be a highly scalable solution for us over the past couple of years.
Manager Information Security at a consultancy with 10,001+ employees
 

Stability Issues

Sentiment score
5.3
Microsoft Windows Server Update Services is stable and reliable, though minor issues may occur with specific updates or large environments.
Sentiment score
7.5
Qualys CyberSecurity Asset Management is stable, highly rated, with minimal issues, and appreciated for its consistent enhancements and features.
When we schedule our updates, it works, and that's it—nothing irregular or different than what was expected.
Senior Oracle DBA at a financial services firm with 11-50 employees
I would rate the stability of Qualys CSAM a ten out of ten.
IT Engineer at a consultancy with 10,001+ employees
The product stability has notably declined over the last two months, and the performance to fulfill a page request is very slow compared to its previous performance.
SENIOR MANAGER, CYBERSECURITY THREAT, RISK & ARCHITECTURE at a tech vendor with 1,001-5,000 employees
They are constantly adding capabilities.
Director of Vulnerability Management at a insurance company with 1,001-5,000 employees
 

Room For Improvement

Windows Server Update Services requires UI enhancements, better integration, stability improvements, and efficient patch management for smoother operation.
Qualys CyberSecurity Asset Management struggles with integration, configuration flexibility, tagging accuracy, and performance issues needing improvement.
The inventory tool and the entire backend of Microsoft Windows Server Update Services is poorly coded. It's not very reliable, so you can tell when dealing with bad code, and it may work one day but may not work another.
IT Manager at Handi Quilter, Inc.
I would like the updates to be less often and more rarely because they have a high impact on our team.
Senior Oracle DBA at a financial services firm with 11-50 employees
Qualys is currently not able to identify assets lacking DNS information.
Senior Information Security Engineer at a consultancy with 10,001+ employees
Features enhancing the interaction with IT or security teams should be added, such as a ticketing feature that, if an issue arises in the CSAM module, enables direct ticket creation in systems like ServiceNow.
Senior Security Consultant at CyberNxt Solutions LLP
If there's one key aspect to focus on, it's discovery—the ability to identify assets that you are not aware of, even when you can see they are present.
Information Security Engineer at a manufacturing company with 5,001-10,000 employees
 

Setup Cost

Microsoft Windows Server Update Services has no licensing fees but can incur costs from storage, cloud deployment, and enterprise agreements.
Qualys offers high yet flexible pricing, valued for comprehensive features and cost-effectiveness, especially when bundled with other services.
It's a free service.
Lead - Technical Services at Impetus
It's free.
Network Architect at a construction company with 51-200 employees
A cost-effective solution.
Senior Security Consultant at CyberNxt Solutions LLP
I believe that the stability and reliability of Qualys offer great value for the money.
Information Security Engineer at a manufacturing company with 5,001-10,000 employees
A monthly subscription starting at approximately $72 per month, depending on the specific package and features included.
Android Developer at Droidforge
 

Valuable Features

Microsoft Windows Server Update Services offers centralized management, automated updates, and reporting, enhancing efficiency without extra licensing fees.
Qualys CyberSecurity Asset Management enhances security with real-time visibility, integration, TruRisk scoring, and simplified asset and patch management.
The ease of use and efficient reporting contribute significantly to my overall productivity.
Lead - Technical Services at Impetus
The most valuable feature of Microsoft Windows Server Update Services is the update for Microsoft Windows Server.
Senior Oracle DBA at a financial services firm with 11-50 employees
I confirm that they all get downloaded and installed simultaneously, and the new security patches are applied automatically.
System Administrator at Waternet
By correlating this with QDS scores, we can accurately assess the risk level of high or low QDS scores associated with each asset and monitor them accordingly.
Senior Information Security Engineer at a consultancy with 10,001+ employees
The most valuable feature is the real-time visibility Qualys CyberSecurity Asset Management provides into all assets across our development and operational environments.
Android Developer at Droidforge
It also performs scans to identify any vulnerabilities, which helps to take proactive measures before those vulnerabilities are identified by any attacker.
Information Security Lead at a consultancy with 10,001+ employees
 

Categories and Ranking

Microsoft Windows Server Up...
Ranking in Patch Management
4th
Average Rating
7.8
Reviews Sentiment
5.9
Number of Reviews
53
Ranking in other categories
No ranking in other categories
Qualys CyberSecurity Asset ...
Ranking in Patch Management
5th
Average Rating
9.0
Reviews Sentiment
7.0
Number of Reviews
35
Ranking in other categories
Vulnerability Management (6th), Cyber Asset Attack Surface Management (CAASM) (3rd), Attack Surface Management (ASM) (3rd), Software Supply Chain Security (2nd)
 

Mindshare comparison

As of June 2026, in the Patch Management category, the mindshare of Microsoft Windows Server Update Services is 3.8%, down from 5.7% compared to the previous year. The mindshare of Qualys CyberSecurity Asset Management is 1.9%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Patch Management Mindshare Distribution
ProductMindshare (%)
Microsoft Windows Server Update Services3.8%
Qualys CyberSecurity Asset Management1.9%
Other94.3%
Patch Management
 

Featured Reviews

NN
IT Manager at Handi Quilter, Inc.
Experience with update service shows need for reliability, but support excels
I wouldn't say any of the update services have great features. The only real advantage I have for having Microsoft Windows Server Update Services is if I know or have been informed of a bad update that's causing software conflicts, I can stop it. But I do not depend on Microsoft Windows Server Update Services to keep my machines updated because the failure rates are too high. I have other tools for reporting and inventory capabilities. The inventory tool and the entire backend of Microsoft Windows Server Update Services is poorly coded. It's not very reliable, so you can tell when dealing with bad code, and it may work one day but may not work another. So I had to stop using it because I need something that's reliable, therefore I use other tools for that information. In a pinch, you can use Microsoft Windows Server Update Services tools, but for the most part, they're not reliable enough. I don't believe I've seen any improvement on bandwidth optimization or deployment speed from Microsoft Windows Server Update Services. In fact, the only real improvement comes directly from Microsoft because they stagger the updates. So that helps, but having Microsoft Windows Server Update Services on-premise does not provide any real benefit. Its pricing is just all-inclusive. I don't think about it that way. If somebody tried to sell me Microsoft Windows Server Update Services, I would probably reject it. It's a tool that we have, so we use it, but if I were to pay extra for it, I would say it's not worth it. Some of the main differences between Microsoft Windows Server Update Services and the other tools are that WSUS's backend is based on IIS, which is not a very reliable host method. You're going to have problems getting Microsoft Windows Server Update Services to run when you have a large organization. The speed of it is quite painfully slow, so there's not a lot you can do to get Microsoft Windows Server Update Services to work under stress. The other tools just work. I can tell you what services are running on each of my machines and can stop or restart services. I can inventory the software they have on them with multiple tools, so I know what software is on our machines. I don't have to rely on a tool that works when it wants to and requires so much maintenance to keep it going. Microsoft Windows Server Update Services is only to green check updates that I know are fine, but obviously, it could save me in a pinch if something went wrong.
Nicki Møller - PeerSpot reviewer
Information Security Engineer at a manufacturing company with 5,001-10,000 employees
Enables automation and quick access to necessary information
One of the significant challenges Qualys is discovery, which I know Microsoft excels at. I can't recall how well Qualys performs this function; it seems I might be missing some details. However, if there's one key aspect to focus on, it's discovery—the ability to identify assets that you are not aware of, even when you can see they are present. Understanding what those assets are is crucial. With Qualys CyberSecurity Asset Management, it was very difficult to extract detections from the system. The features within Qualys are limited to what they have developed. Sometimes a complete overview is needed to push to a Power BI dashboard, Splunk, ServiceNow, or other platforms. The export process is incredibly challenging. We needed a developer to write a hundred-line Python script that would loop over certain assets due to export limitations. Qualys CyberSecurity Asset Management could improve its integration capabilities. While it generates substantial data, correlating it with other data sources can be challenging. The export process is difficult, and pre-built integrations with other tools could be enhanced for better process implementation.
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Top Industries

By visitors reading reviews
Manufacturing Company
8%
Financial Services Firm
8%
Construction Company
8%
Government
6%
Financial Services Firm
15%
Computer Software Company
9%
Manufacturing Company
8%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business23
Midsize Enterprise6
Large Enterprise24
By reviewers
Company SizeCount
Small Business8
Midsize Enterprise2
Large Enterprise23
 

Questions from the Community

What is your experience regarding pricing and costs for Microsoft Windows Server Update Services?
I don't know all details about pricing for Microsoft Windows Server Update Services, so I can't answer this question.
What needs improvement with Microsoft Windows Server Update Services?
I think nothing could be improved or enhanced in Microsoft Windows Server Update Services because it is doing precisely what it has to do. I do not see any minor enhancements or limitations to be o...
What is your primary use case for Microsoft Windows Server Update Services?
I use Microsoft Windows Server Update Services primarily for Windows updates, specifically for updates and security patch updates from Microsoft.
What needs improvement with Qualys CyberSecurity Asset Management?
I think the one thing Qualys CyberSecurity Asset Management can do better is the package management and the updating process. Knowing that you can't update any of the packages until you've done the...
What is your primary use case for Qualys CyberSecurity Asset Management?
I primarily use it for a small, single-site, multi-source setup with multi-WAN inputs. I have a main fiber connection and a couple of failovers while managing different networks across different se...
 

Also Known As

Windows Server Update Services, Microsoft WSUS, WSUS, Microsoft Software Update Services, Software Update Services, Microsoft SUS, SUS, MS Windows Server Update Services
No data available
 

Overview

Find out what your peers are saying about Microsoft Windows Server Update Services vs. Qualys CyberSecurity Asset Management and other solutions. Updated: June 2026.
900,644 professionals have used our research since 2012.