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Getting the message, This version of Windows is not compatible with the version of DOS you are running
How do I make my copy of Windows 3.11 work with DOS 7.1 after an upgrade?
I heard about a patch somewhere but haven't been able to find it ...

DOS 7.x, in other words, DOS bundled w/ Win 9x; is missing several programs a DOS/Win3.11 installation should really have.
...which is why this question just doesn't come up. You may want to consider just booting one of the DOS's from a floppy.

Maybe this will help:
http://www.ctyme.com/msdos7.htm
http://win95.winware.org/tricks/osr2bug.htm
http://support.microsoft.com/support/kb/articles/Q121/9/63.ASP
http://home1.stofanet.dk/kingsoft/docs/d_boot1.htm#doswin

First thing to check is that you are not useing 'Large disk Support' (FAT32) If you are you will never get Windows 3.1 to work.
Win3x just does not know hoe to handle FAT32 drives. Older versions of MS-DOS (6.22 or older) also cannot handle FAT32 drives.This was not a problem with Windows 95 & MS-DOS 7.0 (Windows 95B OSR2 use 7.01) But MS-DOS 7.10 comes from Windows 98 with FAT32 support.

I don't know, but it sounds pretty messy, especially if you have OSR2! I wonder why they didn't let you fdisk more than one primary partition in DOS and supply a suitable boot manager in the first place ...
By the way, is anyone aware of which utilities are required by Windows 3 to start?

Dos 6.x and before wont work with Fat32 because it does not have any support for it, nor are there any fat 32 drivers that i know of. I wish there were more filesystem drivers for DOs, i have a win95 backup cd thats worthless on a 486 im trying to resurrect cuz it was made with adaptec direct cd, and there are no ISO-9660 Layer 3 drivers. THe industry just doesnt find DOs to be viable anymore, although it could have such great potential. Microsoft just abandoned it for Windows.

I'm not using Fat32 support with the primary bootable partition (although I have several non-bootable partitions on the same disk). In fact, the part I'd like to install onto was created under DOS using the standard FDISK utility.
The installation process went fine but the OS incompatibility message still has me confounded.

yeah thanks, i know, i can burn a new one, but i think i can just get it from a friend who has one lying around. (isnt it amazing how a $200 OS package can in 2 or 3 years become something lying around in the basement, or office backroom that theyll just give to you if you ask?)
Toby:
I found this site:
http://www.landfield.com/faqs/windows/win95/faq/part02/section-6.html Read the last part. I take it youre using the b version, which doesn't like 3.x. You may want to try reinstalling the a or original version of win95. especially if youre not going to use fat32 anyways. I hope this helps.

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