File 30Mb cannot be uploaded

We cannot upload file 30Mb from local folder to the server. Please look the attachment below. There is the error 404.
Could you please help.
Using WinSCP 5.9.6 version on Microsoft Windows Server 2012R2 transfer protocol WebDav

1) Please try the latest version of WinSCP.
2) Can you upload the file using any other WebDAV client?

1) We've installed the latest version 5.13.3 Portable. Unfortunately, ther is the same error, we cann't transfer file 30Mb
2) Could you please recommend another WebDAV client?

Tatiana Teslenko wrote:

2) Could you please recommend another WebDAV client?

Try Cyberduck.