[Samba] error when trying to copy file from samba share to old Windows CE share

[Jeremy Allison]

On Tue, Jun 18, 2019 at 09:55:39AM -0400, Dan Arena via samba wrote:
> Hello,
> 
> This error started after upgrading my distro(did a fresh install of
> fedora 30 server edition), which upgraded samba from 4.1.20 to 4.10.4.
> If I try to copy a file using a Windows 7 PC from the samba share to
> an old Windows CE share (on a CNC router table, so can't upgrade it)
> it tells me:
> 
> An unexpected error is keeping you from copying the file. If you
> continue to receive this error, you can use the error code to search
> for help with this problem.
> 
> Error 0x8007007C: The system call level is not correct.
> 
> It shows this every time and refuses to copy the file. I am able to
> copy the file from the samba share to the Windows PC just fine, and I
> can read the file contents. I also tried then copying the file from
> the Windows 7 PC to the Windows CE share and it still gives the error.
> I am able to copy any other file from the Windows 7 PC to the Windows
> CE share as long as it didn't originate from the samba share. The
> smb.conf is almost exactly the same on the new server as my old server
> that didn't have this issue. The only thing I had to add to get it
> working with some of the windows PCs was "ntlm auth =
> ntlmv1-permitted". This is a simple file share, no DC/AD setup.

That usually means the client is sending an info level
we don't support. Can you get a wireshark trace/debug level 10
log ?