Software⏱️ 2 min read📅 2026-05-31
How to Fix: How to make custom error pages work in ASP.NET MVC 4
Configure custom error pages in ASP.NET MVC 4 for 500, 404 and 403 errors.
Quick Answer: Use the element in web.config to specify custom error pages for each status code.
📋 Table of Contents
To create custom error pages in ASP.NET MVC 4, you need to configure the customErrors section in your web.config file and register the HandleErrorAttribute as a global action filter.
🛑 Root Causes of the Error
- Enabling custom errors in web.config without specifying a default error page.
✅ Best Solutions to Fix It
Method 1: Enabling Custom Errors with Default Redirect
- Step 1: In the
web.configfile, add the following configuration under thesystem.webServersection:
Method 2: Registering HandleErrorAttribute
- Step 1: In the
App_Startfolder, create a new class that inherits fromIExceptionFilter.
✨ Wrapping Up
By following these steps, you can create custom error pages for 500, 404, and 403 errors in ASP.NET MVC 4.
❓ Frequently Asked Questions
Enabling custom errors in web.config without specifying a default error page.
Step 1: In the web.config file, add the following configuration under the system.webServer section:
Step 1: In the App_Start folder, create a new class that inherits from IExceptionFilter.
By following these steps, you can create custom error pages for 500, 404, and 403 errors in ASP.NET MVC 4.
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