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IIS pros and cons

Vendor: Microsoft
4.1 out of 5
Badge Ranked 1

Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

IIS is lightweight and easy to configure for simple webpages.
The integration with Microsoft products and tools makes deployment straightforward.
The setup is quick as IIS comes pre-configured, saving installation time.
Users appreciate the stability and security features offered by IIS.
Technical support from Microsoft is praised for being satisfactory.

CONS

Finding different settings in IIS can be difficult without proper guidance, leading to configuration challenges.
Scalability issues are noted, particularly when IIS is used on a single server without proper clustering or load balancing setup, affecting its capability.
The documentation for IIS is not comprehensive, with users finding it difficult to locate information, indicating an area needing improvement.
Support from Microsoft related to IIS needs to improve in response time and quality, as users encounter challenges with issue resolution.
The pricing of IIS is considered high, and there are calls for better cost-effectiveness regarding its licensing and purchasing.
 

IIS Pros review quotes

Krishnakumar Natarajan - PeerSpot reviewer
Systems Engineer at Atos
Sep 2, 2025
The best features of IIS are that you can design your own website and manage it yourself, creating as many websites as you want.
Frederic Hautecoeur - PeerSpot reviewer
Senior System Integrations Architect at bs-team
Dec 18, 2025
IIS fits properly for my business needs, with a lot of possibilities to upgrade the out-of-the-box functionalities, so it is really great.
Juan Pablo Lauterio - PeerSpot reviewer
Chief Technology Officer at EVtech
Dec 19, 2025
IIS is Internet Information Services, which is application infrastructure, and the main benefits include security control where you can control different access levels and integrate with other services to manage application security.
Learn what your peers think about IIS. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.
893,244 professionals have used our research since 2012.
Dan Patriche - PeerSpot reviewer
Application Integrator at Lombard Odier Group
Sep 16, 2025
My experience with the technical support by Microsoft at large is satisfactory.
IS
IT System Administrator at Bouri
Feb 21, 2025
IIS works natively with Windows Server without any issues in publishing certificates.
reviewer1256511 - PeerSpot reviewer
Relationship Manager at a financial services firm with 5,001-10,000 employees
Apr 28, 2025
IIS is quite easy to set up as it comes pre-configured, so I don't have to install anything.
LD
Information Technology Division Director at Ethiopian Roads Administration
Jul 22, 2024
The product's initial setup phase is straightforward.
DanielWildermuth - PeerSpot reviewer
Testtool expert at Helvetia Versicherungen
Aug 2, 2023
We use Windows Server only for Eggplant Manager.
LD
Information Technology Division Director at Ethiopian Roads Administration
Feb 27, 2024
The solution is very simple to use and easy to deploy.
Roymell Santos - PeerSpot reviewer
ICT Officer at Intelligent Skincareinc Inc.
Jul 10, 2024
The product's most valuable features are performance and security.
 

IIS Cons review quotes

Krishnakumar Natarajan - PeerSpot reviewer
Systems Engineer at Atos
Sep 2, 2025
It should be more user-friendly because unless you know how IIS works as a Microsoft product, a system admin cannot just manage it.
Frederic Hautecoeur - PeerSpot reviewer
Senior System Integrations Architect at bs-team
Dec 18, 2025
The only disadvantage I see is that the documentation is a bit difficult to find.
Juan Pablo Lauterio - PeerSpot reviewer
Chief Technology Officer at EVtech
Dec 19, 2025
I see that IIS has maintained the same interface for a long time, so they could potentially use more automation or integrate Copilot into it to make it easier to use.
Learn what your peers think about IIS. Get advice and tips from experienced pros sharing their opinions. Updated: May 2026.
893,244 professionals have used our research since 2012.
Dan Patriche - PeerSpot reviewer
Application Integrator at Lombard Odier Group
Sep 16, 2025
They need to improve their response time and first level support quality because the escalation process takes too long.
IS
IT System Administrator at Bouri
Feb 21, 2025
The only issue I've encountered is with certificates not working fine sometimes.
reviewer1256511 - PeerSpot reviewer
Relationship Manager at a financial services firm with 5,001-10,000 employees
Apr 28, 2025
Microsoft products can only work within the Windows environment, which limits their versatility.
LD
Information Technology Division Director at Ethiopian Roads Administration
Jul 22, 2024
The visibility feature of the product is an area with certain shortcomings where improvements are required.
DanielWildermuth - PeerSpot reviewer
Testtool expert at Helvetia Versicherungen
Aug 2, 2023
At the moment, we have big problems with stability, and I'm not very happy at the moment. So, the stability could be improved.
LD
Information Technology Division Director at Ethiopian Roads Administration
Feb 27, 2024
Sometimes, we encounter difficult issues, and getting support from Microsoft to resolve those issues is not easy.
Roymell Santos - PeerSpot reviewer
ICT Officer at Intelligent Skincareinc Inc.
Jul 10, 2024
The solution's pricing and stability need improvement.