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How can I transfer user profiles from Vista x64 to Windows 7 x86?
If I try to start the migwiz from Windows 7 x86 on the Vista x64 machine, it complains about the wrong architecture.

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it isn't supported with usmt, or any other tool i know of...if it must be done you could try editing the windows version string to be x86 and see if you get lucky....best of luck –  hbdgaf Nov 19 '10 at 13:42
    
Wow, aking1012, that's a brave suggestion. Stranger things have happened though: I edited that same string to "upgrade" an illegal Ultimate version to a legal Home Premium, so I guess it's worth a shot. +1 for the sheer audacity of it. –  user3463 Nov 25 '10 at 5:49
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up vote 0 down vote accepted

Your risk here is that the architecture is different, and therefore if you had 64-bit DLLs and executables migrated over, they won't work, and instead of fielding calls of "the stupid thing doesn't work", Microsoft won't support it in the first place.

I don't think it's possible through any conventional methods. Why are you migrating to 32-bit Windows 7 anyway? What is stopping you from going to 64-bit?

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I had x64 Vista to use all of my RAM. But an essential Software (Beckhoff Twincat 2.0) doesn't support x64, so I must use x86. –  chriszero Nov 25 '10 at 7:02
    
Yeesh, normally I'd suggest virtualising Windows XP inside a Windows 7 machine, but it looks like this TwinCAT needs to be closer to the hardware than through a virtual machine. –  user3463 Nov 25 '10 at 7:05
    
Yes, that's it ;) –  chriszero Nov 25 '10 at 7:37
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