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IIS vs Windows Server AppFabric comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Mar 5, 2025

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

IIS
Ranking in Application Infrastructure
1st
Average Rating
8.0
Reviews Sentiment
7.0
Number of Reviews
57
Ranking in other categories
Application Server (5th)
Windows Server AppFabric
Ranking in Application Infrastructure
18th
Average Rating
8.2
Reviews Sentiment
7.7
Number of Reviews
4
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of June 2025, in the Application Infrastructure category, the mindshare of IIS is 11.5%, down from 13.3% compared to the previous year. The mindshare of Windows Server AppFabric is 0.6%, down from 0.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Application Infrastructure
 

Featured Reviews

DanielWildermuth - PeerSpot reviewer
Provides integration with Eggplant but problems with stability
We use Windows Server only for Eggplant Manager. Otherwise, I'm not using it   At the moment, we have big problems with stability, and I'm not very happy at the moment. So, the stability could be improved. I have been using it for a few years.  The initial setup is complex.  We have an…
VIJAY RAGAVAN - PeerSpot reviewer
Ensure seamless deployment and networking with a focus on critical uptime
The most important issue I've found is the blue screen errors, particularly when customers use external displays with a P-type cable. I have advised against using external displays for crucial applications and recommended using VGA or laptop adapter screens to mitigate this issue. However, the blue screen error remains a major concern because it causes data loss during reboots.

Quotes from Members

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

Pros

"It is a lightweight web host that is easy to configure for simple webpages."
"It's very easy to publish."
"The product is easy to configure."
"The product is easy to use."
"It has an intuitive user interface and provides a lot of options for building reports."
"IIS is quite easy to set up as it comes pre-configured, so I don't have to install anything."
"The solution is simple and very easy to manage compared to Linux."
"The product's most valuable features are performance and security."
"The ability to seamlessly deploy, image, and patch without causing downtime is extremely helpful and user-friendly."
"The most valuable feature is AppFabric's hosting solution, which is what we need for running workflows."
"The product's deployment phase was very easy."
"It is very usable and easy to understand. Antivirus and VPN are the main features being used now. It allows my clients to access the network from home, which was very crucial because of the pandemic."
 

Cons

"The solution's stability needs improvement."
"The solution should improve the cluster environment and load balancing."
"The visibility feature of the product is an area with certain shortcomings where improvements are required."
"The product could be more compatible with Linux and macOS, particularly when applying user configuration policies."
"The scalability depends on how you have set it up. If you're running IIS on a single server, it might not be as capable as if you are on many in a cluster or with load balancing and so on."
"The documentation is not very detailed. They need to improve it and add to it. They should ensure there are lots of visuals to help users better understand the solution."
"The only issue I've encountered is with certificates not working fine sometimes."
"The only issue I've encountered is with certificates not working fine sometimes. It's influenced by the server's service performance."
"Microsoft will stop supporting the product next year, and we can't run unsupported programs in our systems."
"The most important issue I've found is the blue screen errors, particularly when customers use external displays with a P-type cable."
"Its price and licensing policy can be improved. It could be a little cheaper. Licensing is sometimes confusing. There are so many different options. It is difficult to find out what to buy or what to choose for my necessity."
"The product is unable to connect with different cloud services."
 

Pricing and Cost Advice

"There is a license needed for the solution."
"We purchased a Microsoft Windows license and the license for IIS came in the package."
"The yearly licensing cost is very high. The solution is very expensive."
"The tool is included with Windows."
"There is no license needed to use the solution."
"The product's price is not high."
"IIS is expensive."
"We pay a yearly licensing fee for the solution."
"It is expensive, and its licensing is a bit confusing."
"The product is affordable, in my opinion."
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Top Industries

By visitors reading reviews
Computer Software Company
17%
Financial Services Firm
15%
Manufacturing Company
8%
Government
8%
No data available
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
No data available
 

Questions from the Community

Which is better - IIS or NGINX Plus?
IIS is a flexible, secure, and manageable web server to host anything on the web. IIS’s scalable and open architecture can handle the most demanding tasks. From media streaming to web applications,...
What is your experience regarding pricing and costs for IIS?
If you have a Windows license, there is no additional cost for IIS. However, you may need to pay for SSL publishing at times.
What do you like most about Windows Server AppFabric?
The product's deployment phase was very easy.
What needs improvement with Windows Server AppFabric?
The most important issue I've found is the blue screen errors, particularly when customers use external displays with a P-type cable. I have advised against using external displays for crucial appl...
 

Comparisons

No data available
 

Also Known As

Windows Server IIS
No data available
 

Overview

 

Sample Customers

Erste Bank Group, NJVC, Samsung Electronics, Sheraton Hotels and Resorts, Tata Steel Europe, Urban Software Institute
OSIsoft
Find out what your peers are saying about IIS vs. Windows Server AppFabric and other solutions. Updated: June 2025.
856,873 professionals have used our research since 2012.