How to Install & Configure IIS on Windows Server 2025 – Easy Guide
Internet Information Services (IIS) is Microsoft’s powerful web server solution that allows users to host and manage websites, web applications, and services efficiently. With Windows Server 2025, Microsoft introduces enhanced performance, security, and usability features, making IIS an even better choice for hosting.
If you're looking to install and configure IIS on Windows
Server 2025, this guide will walk you through the process step by step, ensuring
your server is optimized for high performance.
Step 1: Install IIS on Windows Server 2025
Before configuring IIS, you must first install it using the Server
Manager.
Method 1: Install IIS via Server Manager
- Open
Server Manager → Click on Manage → Select Add Roles and Features.
- Choose
Role-based or Feature-based Installation and click Next.
- Select
your server and click Next.
- Under Server
Roles, check Web Server (IIS) and click Next.
- Leave
the default features selected and click Next.
- On the
IIS Role Services page, ensure that essential services like HTTP,
Security, and Application Development are checked.
- Click Install
and wait for the process to complete.
Method 2: Install IIS via PowerShell
For advanced users, IIS can be installed using PowerShell:
Install-WindowsFeature -name Web-Server
-IncludeManagementTools
This method is faster and suitable for automated
deployments.
Step 2: Configure IIS for Your Website
1. Open IIS Manager
After installation, launch IIS Manager from the Start Menu
or by running:
inetmgr
2. Create a New Website in IIS
- In IIS
Manager, right-click Sites and select Add Website.
- Provide
a Site Name and set the Physical Path to your website files.
- Choose
an IP Address and a unique Port Number (Default is 80 for HTTP).
- Click OK
to create the website.
3. Configure Bindings
- To add
HTTPS support, click Edit Bindings, select HTTPS, and install an SSL
certificate.
4. Set Directory Permissions
Ensure that IIS_IUSRS has the correct read/write permissions
for your web files.
Step 3: Optimize IIS for Performance & Security
Enable Compression
Improve load speed by enabling Static and Dynamic
Compression in IIS settings.
Configure Logging & Monitoring
Enable detailed logging to track visitor activity and
identify performance bottlenecks.
Secure IIS with Firewall & SSL
- Install
an SSL certificate for HTTPS security.
- Use a
Web Application Firewall (WAF) to protect against attacks.
- Enable
Request Filtering to block unwanted traffic.
Final Thoughts
Setting up IIS on Windows Server 2025 is straightforward,
whether you're a beginner or an experienced admin. By following these steps,
you can host websites efficiently and securely.
For more advanced configurations, consider reverse proxy
setups, load balancing, and caching optimizations to get the best performance
from IIS.
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