The request filtering module is configured to deny a request that exceeds the request content length

By default, IIS web server allows for limited file size to be uploaded to the web server. For IIS 6 and IIS 7, the default maximum file upload size is 4 MB and 28.6 MB respectively. IIS 7 returns a 404.13 - not found.

1. Modify the maxAllowedContentLength value in the web.confi, you can set any value for maxAllowedContentLength

<system.webServer>
  <security>
    <requestFiltering>
      <requestLimits maxAllowedContentLength="2147483648" />
    </requestFiltering>
  </security>
</system.webServer>

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