I have a SharePoint 2013 with front-ends in different Windows/IIS versions.

  1. Windows Server 2012 R2 - IIS v8.5
  2. Windows Server 2019 - IIS v10

I uploaded a PDF file as attachment in custom list item. When I try to download this in a front-end with "Windows Server 2012", the file is downloaded correctly with the content, but if I try in a front-end with "Windows Server 2019", the file is downloaded without content (zero bytes).

  1. Same configurations in both servers (IIS and web.config);
  2. No log is saved in Sharepoint ULSLogs and Event viewer;
  3. In both cases, the request http status code is 200;

Some idea what is happening?

1 Answer 1


Does this all happen in SharePoint 2013?

According to the system requirements of the official document, SharePoint 2013 does not support windows 2016 or higher versions:

can SharePoint 2013 be run on Windows Server 2019 and SQL server 2019?

  • Thanks for the answer!
    – Paulo Luz
    Jul 16, 2021 at 15:41

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