Aws elasticbean stalk asp net deployment file upload fails with 413 request ent


ASP.NET is a popular programming language used for developing web applications. It provides a for building dynamic websites, web services, and web applications. However, developers often encounter various challenges while working with ASP.NET. One common issue is the failure of file uploads when deploying an ASP.NET application on AWS Elastic Beanstalk, resulting in a 413 Request Entity Too Large error.

the Problem

The 413 Request Entity Too Large error occurs when the size of the uploaded file exceeds the maximum limit set by the server. By default, AWS Elastic Beanstalk has a limit of 10MB for file uploads. When a file larger than this limit is uploaded, the server rejects the request, resulting in the error.


To this issue, we need to the maximum file upload size allowed by AWS Elastic Beanstalk. This can be achieved by modifying the configuration of the server.

Step 1: Create a .config File

Create a new file with the extension .config in the root directory of your ASP.NET application. This file will the configuration settings for AWS Elastic Beanstalk.

In the above , we have set the maxAllowedContentLength attribute to 104857600 bytes, which corresponds to 100MB. You can adjust this value according to your requirements.

Step 2: Deploy the Configuration File

Once you have created the .config file, you need to deploy it with your ASP.NET application. This can be done by including the file in your deployment package or uploading it separately to the server.

Step 3: Restart the Server

After deploying the configuration file, you need to restart the server to apply the changes. This can be done through the AWS Elastic Beanstalk management console or by the AWS CLI.


By increasing the maximum file upload size allowed by AWS Elastic Beanstalk, you can overcome the 413 Request Entity Too Large error when deploying an ASP.NET application. The solution involves a .config file with the appropriate configuration settings and deploying it along with your application. Following these will ensure that your file uploads work seamlessly on AWS Elastic Beanstalk.

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