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

  1. Open Server Manager → Click on Manage → Select Add Roles and Features.
  2. Choose Role-based or Feature-based Installation and click Next.
  3. Select your server and click Next.
  4. Under Server Roles, check Web Server (IIS) and click Next.
  5. Leave the default features selected and click Next.
  6. On the IIS Role Services page, ensure that essential services like HTTP, Security, and Application Development are checked.
  7. 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

  1. In IIS Manager, right-click Sites and select Add Website.
  2. Provide a Site Name and set the Physical Path to your website files.
  3. Choose an IP Address and a unique Port Number (Default is 80 for HTTP).
  4. 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

  1. Install an SSL certificate for HTTPS security.
  2. Use a Web Application Firewall (WAF) to protect against attacks.
  3. 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.

orcacore.com/deploying-iis-on-windows-server-2025

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