File Upload Limit can be changed on ASP applications by modifying the Web.Config file. However, some people are not eager to do this, because they don’t want to break things in their applications. That’s why in this article I will give you a step-by-step guide on how to increase the file upload size limit through the IIS Manager.

Overview

If you ever try to upload a file that its size is bigger than 4MB, you will get an  “Maximum request length exceeded” error page. This is set by default in most applications.

1. Open IIS manager:

2. Select the web site that you want configure:

3. Select Requests Filtering and open it by double-clicking the icon. The Request Filtering panel will display:

4. From the Actions panel, on the right hand side of the screen click on “Edit Feature Settings…” link. The Edit Request Filtering Settings window will appear:

5. On the Request Limits section, enter the appropriate Maximum allowed content length (Bytes) and then click on the OK button.

And that’s it! Upload limit has been changed!

This concludes Change File Upload Size Limit with IIS Manager