I connected to the customer's computer which is Windows Server 2012 R2.

I can see the problem with varbinary(max) columns.

We tried to install different SQL Server drivers (Driver for SQL Server 2014 - version 12 and version 13). Both didn't work - I see the same problem.

The SQL Server driver is version 6. I didn't find download for version 10 I have. I am not sure it'll fix the problem.

Do you have ideas for the solution?

Here is the code in the Load method of the form (beginning):

do set_setup
cursorsetprop("MapBinary", .t., 0) && Maps image/varbinary(max) fields to blob in VFP
_vfp.autoyield = .f.
* http://www.bennet-tec.com/compatibility.htm#FoxPro
set deleted on
set notify off

This is a button to upload image:

local lcFile, lcPicVal, lnFSize, loException as exception
local array laFile[1,5]
lcFile = getfile("jpg;bmp;gif;png",'Select Seat Map Image','Select',0,'Select Image')
thisform.lBigImageSize = .f.
if not empty(m.lcFile)

	=adir(laFile, m.lcFile)
	lnFSize = laFile[1,2]
	if m.lnFSize > 1024 * 400
		lnFSize  = int(round(m.lnFSize / 1024, 0))
		if messagebox('This image is ' + alltrim(transform(m.lnFSize,'999,999,999')) + 'Kb in size!  ' + ;
				'Large images will adversely affect performance as well as storage requirements.'+chr(13)+chr(13) + ;
				'Do you want to proceed anyway?',36, 'Image size too big') <> 6

			return .f.
		else
			thisform.lBigImageSize = .t.
		endif

	endif
	try
		lcPicVal = filetostr(m.lcFile)
		replace SeatMap with m.lcPicVal in rsSeatMaps

		this.parent.imgMap.pictureval = rsSeatMaps.SeatMap

		thisform.lChangesMade = .t.
		thisform.RefreshButtons()
	catch to loException
		=messagebox('There is a problem with the selected picture: ' + loException.message + ;
			chr(13) + 'Please, re-try with a different picture...',  48, 'Problem with image')
	endtry
endif
this.parent.refresh()

I see no exception message. The SQL Server row shows correct value for the image. Just the image control doesn't display the image.

Do you know what should I try?

This is very important problem and I don't really have ideas what to try next.