We are using .net website on this solution. It's great for our website hosting. All custom web pages and websites we develop are on it.
Chief Digitalization Executive at a energy/utilities company with 1,001-5,000 employees
Good port and page mapping and good integration with firewalls
Pros and Cons
- "It's very easy to publish."
- "We'd like future versions to be more stable."
What is our primary use case?
How has it helped my organization?
For all of our custom pages, websites, and web applications, we use this.
What is most valuable?
It's very handy to restart the back pages and restart the website engine.
It's very easy to publish.
The product has very good integration with firewalls.
It allows port mapping and page mapping.
The product can allow for translation and certification binding.
It has multiple good, useful features.
The solution is easy to set up.
Technical support is good.
It can scale well.
What needs improvement?
We'd like future versions to be more stable.
It would be useful if they could incorporate some default security controls. These are missing right now.
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IIS
March 2026
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For how long have I used the solution?
We've used the solution for 15 years.
What do I think about the stability of the solution?
We would prefer if the solution improved the level of stability on offer.
What do I think about the scalability of the solution?
So far, the solution has been quite scalable.
We are moving towards different apps and setups and by default, we'll need more IIS, so we are in the process of increasing usage. We'll need to increase the workload on our side.
How are customer service and support?
The technical support has been quite helpful and responsive. It's pretty good.
How was the initial setup?
The initial setup process is very straightforward and simple. It is not overly complex.
We've used both on-premises and cloud deployments.
What was our ROI?
We have witnessed an ROI.
What's my experience with pricing, setup cost, and licensing?
The product is a default component on servers. We didn't have to pay any initial cost.
What other advice do I have?
We are using the latest version of the solution.
If you would like to host your websites internally, this is a good tool that gets the job done.
I'd rate the solution nine out of ten.
Which deployment model are you using for this solution?
Hybrid Cloud
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Owner at Digipro systems
An easy-to-deploy solution that consists of documentation which can help its users
Pros and Cons
- "Stability-wise, I rate the solution a nine out of ten...Scalability-wise, I rate the solution a nine out of ten."
- "It lacks a few performance improvement tools."
What is our primary use case?
Regarding the use cases of IIS in our organization, we use it for our web-based in-house applications.
What is most valuable?
Feature-wise, I would say that it is easily configurable with the development tools of Microsoft.
What needs improvement?
It lacks a few performance improvement tools. So, performance improvement tools need to be included in the tool so that they can improve the product overall.
For how long have I used the solution?
I have been using IIS for twenty years. Since I have used the solution for a long time, I can say that I have used all the versions.
What do I think about the stability of the solution?
IIS is a stable solution. Stability-wise, I rate the solution a nine out of ten.
What do I think about the scalability of the solution?
IIS is a scalable solution. Scalability-wise, I rate the solution a nine out of ten.
While IIS is used directly by only five users, the applications are used by more than two hundred people. Also, we plan to increase the number of users using the solution in our organization.
How was the initial setup?
Considering my experience with this solution, the initial setup for the solution was okay for me. In short, the initial setup was easy.
Even though I don't remember clearly, the time taken for the deployment process was not more than thirty minutes. Also, the deployment process is something which I can do by myself.
Regarding the steps involved in the deployment process, one has to install Windows Server and then add the components of IIS into it. After this process, one can configure the solution as per their requirements.
What's my experience with pricing, setup cost, and licensing?
I didn't need to get an additional license for the solution since it was included in my server.
Which other solutions did I evaluate?
In our organization, since our development process required IIS only, we did not evaluate other options in the market.
What other advice do I have?
I definitely recommend IIS to those planning to use it in the future. The deployment process for the solution is easy, and for help, one can refer to the documentation available for the solution. Overall, I rate the solution a ten out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
Buyer's Guide
IIS
March 2026
Learn what your peers think about IIS. Get advice and tips from experienced pros sharing their opinions. Updated: March 2026.
885,264 professionals have used our research since 2012.
Director of Infrastructure and Technical Services at a healthcare company with 5,001-10,000 employees
Robust, reliable, and is good for various web-based applications
Pros and Cons
- "The most valuable feature of IIS is that it's free, and it works."
- "It would be beneficial if you could automate security certificate monitoring with IIS."
What is our primary use case?
We use IIS for anything from the digital front doors to web-based applications for health care.
What is most valuable?
The most valuable feature of IIS is that it's free, and it works.
What needs improvement?
I have used it for so long, I don't think that I would improve anything about it.
It would be beneficial if you could automate security certificate monitoring with IIS.
For how long have I used the solution?
I have been working with IIS for 20 years.
We are using the most recent version.
What other advice do I have?
It's a solid product. There are alternatives, but they are all equal.
I would rate IIS an eight out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
ICT Superintendent at a mining and metals company with 11-50 employees
Stable, scalable, and loaded with features
Pros and Cons
- "All the features of Microsoft IIS are valuable."
- "The graphical user interface has room for improvement and can be more user-friendly."
What is our primary use case?
We primarily use the solution for our IT help desk interface.
What is most valuable?
All the features of Microsoft IIS are valuable.
What needs improvement?
The graphical user interface has room for improvement and can be more user-friendly.
The price of the solution has room for improvement.
For how long have I used the solution?
I have been using the solution for over ten years.
What do I think about the stability of the solution?
The solution is very stable.
What do I think about the scalability of the solution?
I give the scalability an eight out of ten.
We have around 150 end users.
How was the initial setup?
The initial setup is complex because we are not familiar with the steps required to deploy. Over time, once we become familiar with the process the setup becomes easier.
What's my experience with pricing, setup cost, and licensing?
I give the price of the solution a five out of ten.
What other advice do I have?
I give the solution an eight out of ten.
I recommend Microsoft IIS to others.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT consultant at Secoptrial
Lacking documentation, difficult installation, but effective for large sized companies
Pros and Cons
- "IIS is stable."
- "The documentation of IIS could be better. They are not easily accessible. I had to use YouTube and other online resources to learn how to use the solution properly."
What is our primary use case?
I use IIS for issuing security certificates. For example, when I was trying to deploy direct access, it require a certificate which is issued from services. The service I used comes from IIS.
IIS is for large enterprises who would want to secure and make information private.
What needs improvement?
The documentation of IIS could be better. They are not easily accessible. I had to use YouTube and other online resources to learn how to use the solution properly.
For how long have I used the solution?
I have been using IIS for approximately a couple of months.
What do I think about the stability of the solution?
IIS is stable.
What do I think about the scalability of the solution?
I am the only one using this solution in my company.
The solution is scalable for large-sized companies.
How are customer service and support?
I have not used the support from IIS.
Which solution did I use previously and why did I switch?
I previously used Microsoft Active Directory. I started using IIS to see how can I deploy a secure certificate from my organization. Deploying certificates often require payment for various services. However, if you have a Windows Server, you can deploy it on-premises without having to go online. However, if you opt to avoid going online, you'll need to have an alternative process in place.
How was the initial setup?
I rate IIS a five out of ten. The time it takes for the deployment depends on your resources. If your resources are optimized, it will not take too long. You must have some knowledge of how to deploy it before you do it. However, typically the deployment takes 10 to 20 minutes.
What about the implementation team?
I did the deployment of the solution myself. Assistance would be useful for large enterprises for the department.
What's my experience with pricing, setup cost, and licensing?
I was using the trial version of IIS inside my virtual machines.
ISS is included if you purchase a Windows Server license, then you can have the possibility to deploy different services.
What other advice do I have?
I would not recommend this solution because there are easier-to-use solutions on the market.
I rate IIS a five out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
IT Enterprise System Administrator at Nafeza
Serves as a port for publishing URLs and helps scan and mitigate vulnerabilities
Pros and Cons
- "It helps scan and mitigates our vulnerabilities using the best protocols to secure our environment."
- "The customer service and support team can be improved."
What is our primary use case?
Our primary use case for the solution is serving as a port for publishing URLs, especially for our share point team. Additionally, it helps scan and mitigates our vulnerabilities using the best protocols to secure our environment. In the world of cybersecurity, there are significant threats in the IT environment, so we have to mitigate all the HTTP URLs that you have in the environment HTTPS and to do so to secure these tunnels and to provide them with the certificate that you want. IIS also provides the option to secure or mitigate the vulnerabilities in your environment by using the safest protocol to avoid any vulnerabilities or scenarios. We deploy the solution on the premises.
What is most valuable?
The most valuable feature is controlling the ports you can use and denying the port you won't use in case anything goes wrong. This is one of the most outstanding features, especially for security.
What needs improvement?
The customer service and support team can be improved.
For how long have I used the solution?
We have been using the solution for almost 40 years and currently have the latest version implemented.
What do I think about the stability of the solution?
The solution is very stable.
What do I think about the scalability of the solution?
The solution is scalable and not exclusive to the system administrator. Some teams, such as the network, SharePoint, and dev ops teams, interfere with this solution. However, it is one of the major features of the IIS.
How are customer service and support?
There is a lack of support from the customer service and support team, and they are very slow. I rate them a five out of ten.
How would you rate customer service and support?
Neutral
How was the initial setup?
From my experience, I rate the initial setup a seven out of ten, and the setup took approximately an hour.
What about the implementation team?
We implemented the solution in-house, and one person was required for deployment.
What was our ROI?
We have seen a return on investment, for all the teams, especially for the security and SharePoint team. Most of the work's done through the server, especially the SharePoint team, and they publish all the websites they are using internally for the company. It's related to the employee and released to the business as a newsletter for the company. So, it's very helpful.
What other advice do I have?
I rate the solution an eight out of ten.
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
SAP OpenText Team Lead at Certified IT Consultants
Highly stable, low on resources, and beneficial online support
Pros and Cons
- "The most valuable feature of IIS is it does not consume a lot of resources. It does not consume a lot of resources, such as memory."
- "My advice to others is this is a simple-to-use solution and you can find items with ease."
- "IIS could improve by having some features related to ASR and HTTPS certificate generation."
- "IIS could improve by having some features related to URL rewrite, ARR (Application Request Routing) and HTTPS certificate generation."
What is our primary use case?
We use IIS to deploy some of Opentext applications that we need to deploy.
What is most valuable?
The most valuable feature of IIS is it does not consume a lot of resources. It does not consume a lot of resources, such as memory.
What needs improvement?
IIS could improve by having some features related to URL rewrite, ARR (Application Request Routing) and HTTPS certificate generation.
For how long have I used the solution?
I have been using IIS for approximately five years.
What do I think about the stability of the solution?
IIS is highly stable.
What do I think about the scalability of the solution?
The scalability of IIS is good. It can be scaled easily using Cluster.
We have less than five people using the solution in my company.
How are customer service and support?
I did not use the support from IIS.
What's my experience with pricing, setup cost, and licensing?
We purchased a Microsoft Windows license and the license for IIS came in the package.
What other advice do I have?
We are using this solution because it was recommended for us to use. It is a stable solution.
My advice to others is this is a simple-to-use solution and you can find items with ease. Microsoft has good support for its solutions. You can find the information you need from around the world because Microsoft solutions are widely used. If there are problems you can fix them easily from the support online, such as in forums.
I rate IIS a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company has a business relationship with this vendor other than being a customer. Partner
IT Manager at a consultancy with 10,001+ employees
Helpful support, scalable, and quick setup
Pros and Cons
- "The initial setup of IIS is easy. The process takes only five minutes."
- "IIS is a stable solution for .NET applications."
- "IIS could improve the error logging. There are times we are not able to see the errors. More details would be helpful. Additionally, the configuring of the IIS should be allowed through coding instead of the classic view."
- "IIS could improve the error logging. There are times we are not able to see the errors."
What is our primary use case?
We are using IIS for many purposes, such as creating the application pools, and websites, and defining the HTTP rules.
What needs improvement?
IIS could improve the error logging. There are times we are not able to see the errors. More details would be helpful. Additionally, the configuring of the IIS should be allowed through coding instead of the classic view.
For how long have I used the solution?
I have been using IIS for approximately eight years.
What do I think about the stability of the solution?
IIS is a stable solution for .NET applications.
What do I think about the scalability of the solution?
The scalability of IIS is good. We can expand the solution if we choose.
We have approximately 30 to 40 people using the solution in my organization.
How are customer service and support?
I was required to use the support from IIS a while ago when we were migrating from IIS 6.0 to IIS 7.0.
I rate the support from IIS a five out of five.
How would you rate customer service and support?
Positive
How was the initial setup?
The initial setup of IIS is easy. The process takes only five minutes.
What other advice do I have?
We chose IIS because most of the applications we use are .NET and are Microsoft technologies that we are using for developing the application, IIS is the most valuable solution for this use case.
For first-time users of IIS, they should have some basic knowledge of what an application pool is, websites, and homepage redirections are.
I rate IIS a nine out of ten.
Which deployment model are you using for this solution?
On-premises
Disclosure: My company does not have a business relationship with this vendor other than being a customer.
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Updated: March 2026
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