I have created a custom error handler in Factory Configuration to handle 404 error. Everything works well with page that has .aspx extension but pages without that extension occur Server Error 404 (I have applied SEO URL for some specific pages in my application). Here is my config in Error Handler:

Is there any way to make error handler works well on all non-existed pages?

Hi Logan,

For real 404 page, by default Handler doesn't work and hence an idea was created for custom 404 page

There is other way to handle through IIS. Maybe, you would like to read: https://www.outsystems.com/forums/discussion/5484/creating-custom-error-pages-with-the-outsystems-agile-platform-4-1/