This is a security feature. Do not change this feature unless the scope of the change is fully understood. You can configure ...

This is a security feature. Do not change this feature unless the scope of the change is fully understood. You can configure the IIS server to reject requests whose content length is greater than a specified value. If the request's content length is greater than the configured length, this error is returned. If the content length requires an increase, modify the configuration/system.webServer/security/requestFiltering/requestLimits@maxAllowedContentLength setting.