Running 16 bit applications on Windows Vista...#

I was long-time under the impression that you cannot run 16 bit applications on Windows Vista, except when using some VM software. However, while preparing a session coming up next month, I started my VM running Windows 3.11 with Delphi 1 - just for fun - and started the compiled application on my Vista machine.

What would you expect? Some error message... no, at least not on Windows Vista 32 Bit editions. The application run just as well. However, when starting the application on Windows Vista 64 Bit, you get an error message telling you to check with the software vendor for an updated 32- or 64 Bit version of the software.

Well, it doesn't bother me really any more, as I don't use 16 Bit apps or, even worse, write any. However, I thought it is funny when reading everywhere that they will not work at all. At least that is not true all the way (yet).

Friday, November 02, 2007 1:42:51 PM (W. Europe Standard Time, UTC+01:00) #    Comments [3]  | 

 

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Saturday, November 03, 2007 11:44:37 AM (W. Europe Standard Time, UTC+01:00)
Hi Daniel,

the issue is not Vista, but 64 bit Windows in general and applies to the 64 bit versions of Windows XP and Server 2003 as well. There is a knowledge base article on this:
64-bit versions of Windows do not support 16-bit components, 16-bit processes, or 16-bit applications

Regards,
Olaf
Olaf Hess
Saturday, November 03, 2007 11:45:26 AM (W. Europe Standard Time, UTC+01:00)
Hi Olaf,

thanks :) I had to repost your reply, because the a-tag was formatted wrongly.

Regards,
Daniel
Monday, November 05, 2007 2:48:47 AM (W. Europe Standard Time, UTC+01:00)
Well... Delphi 1.0 does not like Vista at all for me, although some other tools (e.g. Database Explorer) do work...
william
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