https://community.appian.com/discussions/f/integrations/11034/http-file-upload-smart-serviceHi All, I have a link similar to - http://www.sampleLink.com/UploadList.aspx where I have to upload a text file. I am trying the same using HTTP File Upload Smart Service where I am providing the End Point as this URL and Basic Authentication. Buten-USTelligent Community 12https://community.appian.com/thread/50090?ContentTypeID=1Wed, 15 Nov 2017 02:15:52 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:29b69472-7cfc-4919-bcc2-cbb6ec42a458PGargYes<div style="clear:both;"></div>https://community.appian.com/thread/48302?ContentTypeID=1Thu, 07 Sep 2017 09:30:47 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:56672d5e-963b-4a33-8e32-f2140db60035sureshg57I believe that the location that you are trying to upload the file is accessible via Appian and in same network and do not have any firewall issues ?<div style="clear:both;"></div>https://community.appian.com/thread/48299?ContentTypeID=1Thu, 07 Sep 2017 03:12:38 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:331215a5-efc4-4a81-aa5c-e03b42274ea0PGarg@sureshg57<br /> <br /> Hi,<br /> <br /> If I am setting Preemptive parameter to TRUE then I am getting Error - 500: Internal Server Error, but prior to this I was getting response as mentioned above and Status Code - 302<div style="clear:both;"></div>https://community.appian.com/thread/48289?ContentTypeID=1Wed, 06 Sep 2017 12:24:43 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:05c79189-5207-43ca-a3ba-8ae15db5586asureshg57Are you setting the preemptive parameter to true in you basic authentication? If not can you try that. This will send the auth credential with out waiting for 401 Not Authorized response. Not sure this will solve the issues though<div style="clear:both;"></div>