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DOS Emulation in Windows 7 Professional?

We just had our first Windows 7 Pro installed at our work (in an SBS 2003 server environment), but discovered that our DOS program does not work with it.  We tried one DOS emulator, but it doesn't work.  Have considered an XP emulator, but that seems like too much overhead.  We could install 32-bit Win7, but seems like a waste if there is a good DOS emulator out there.  Any suggestions?
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rvfowler2
Asked:
rvfowler2
1 Solution
 
Paul MacDonaldDirector, Information SystemsCommented:
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sweepsCommented:
Window 7 pro comes with a license for Windows Virtual xp mode.  This runs XP on the box in a virtual desktop mode.
Home page for it...  http://www.microsoft.com/windows/virtual-pc/default.aspx

Download page
http://www.microsoft.com/windows/virtual-pc/download.aspx

Very easy to use.  We run alot of 16bit apps and use this extensively.
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hunartCommented:
Since you have Windows 7 Pro, you can install the XP mode and run it from there.  Here is the link to download the application from Microsoft http://www.microsoft.com/windows/virtual-pc/download.aspx.

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DColclazierCommented:
Try out FreeDOS - completely compatible with MS-DOS - full emulator - doesn't require a virtual machine to run -

link is here : http://www.freedos.org/



http://www.jdcnetworksolutions.com
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rvfowler2Author Commented:
DOSbox is the one we tried and didn't work, so we'll look into the others.  FreeDOS seems to be an OpSys on its own.  We got a warning that says it maybe overwrite your current operating system.  Should we just ignore that message?
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DColclazierCommented:
No, you would not want to replace your windows with it - disregard. I will look into other solutions!
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DColclazierCommented:
Natively, it's impossible to run 16 bit code on a 64bit OS. The only chance you have is to run it inside a VM. If you run Windows 7 Professional, go online and download Windows XP mode, which is essentially a 32bit XP VM. Inside of that VM you can run 16bit code (like DOS programs) again.


Bad news - sorry! Seems like XP mode is your best bet unless you want to reinstall to a 32 bit or have an alternate dedicated computer running FreeDos.
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rvfowler2Author Commented:
Working on it.
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rvfowler2Author Commented:
We tried installing a VM of WinXP and, unfortunately, it didn't work.  Looks like from now on, we'll have to install the 32-bit version of Win7.
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rvfowler2Author Commented:
My partner says that the ability to use the XP VM is restricted by the type of processor.  Tried downloading from the site Sweeps suggested, but it didn't work.
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Lee W, MVPTechnology and Business Process AdvisorCommented:
You're partner is not keeping up with technology.  I assuming you are referring to XP Mode, ORIGINALLY there was a requirement that the processor support (and have enabled) virtualization technologies, however, shortly after release, Microsoft released an update that removed that requirement.  Check out http://techsplurge.com/989/ms-releases-patch-remove-hardware-virtualization-requirement-run-xp-mode/
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rvfowler2Author Commented:
Thanks, will try in the a.m. when he comes in.
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rvfowler2Author Commented:
Turns out that Sweeps was correct:  our Win7 did come with XP mode.  Turns out that the reason it didn't work was because we use our DOS program from a drive on the server.  Didn't know that you had to join the virtual XP environment to the domain as it is just as if it is a different computer.  It took a bit to join the domain (my partner had to enable something in the virtual settings), but once we did everything worked fine.  Giving credit because I didn't give enough information -- that we access our DOS program from a mapped drive on the server.  And, giving credit to the first person to mention XP VM.
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