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New WIM archive format with Windows 8?


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#1 Nuno Brito

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Posted 14 July 2012 - 09:43 PM

I'm testing the new Windows 8 release straight from their site and I'm unable to extract the files from install.wim using reWIM or 7zip.

Should I assume that the current WIM structure as seen on Windows 7 is changing once again at Win8?

Thanks!
:cheers:

#2 SIW2

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Posted 14 July 2012 - 10:09 PM

Do you mean the Review Preview?

I have no trouble with install.wim using 7zip.

It does give a message the bootable wims (boot.wim and winre.wim ) are non-standard , but it opens them fine.

Are you using an old version of 7zip?

Try v9.25 upwards.

Edited by SIW2, 14 July 2012 - 10:11 PM.

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#3 Nuno Brito

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Posted 14 July 2012 - 10:26 PM

hmm.. Thank you very much. I checked 7z and I'm using version 9.20 from the Ubuntu repository.

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#4 SIW2

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Posted 14 July 2012 - 10:29 PM

You're right, though.

The bootable wim's are different.

That I think is why v9.25 was created .

#5 Holmes.Sherlock

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Posted 15 July 2012 - 07:55 AM

That I think is why v9.25 was created .

Does the 7z change log say anything about it?

#6 Vortex

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Posted 15 July 2012 - 08:52 AM

Does the 7z change log say anything about it?


Have a look at here :

7-Zip 9.28 alpha was released. This is a development version. Don't use 7-Zip 9.28 alpha to process important files and archives. If you need more stable version, you can use 7-Zip 9.25 alpha.

What's new after 7-Zip 9.25 alpha:

- LZMA2 now is default compression method for .7z format.
- 7-Zip now can update WIM archives.


http://sourceforge.n...7/topic/5367077

#7 Nuno Brito

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Posted 15 July 2012 - 10:08 AM

I used 9.28 and didn't worked for this purpose. Same results with 9.25 under Wine on Ubuntu. Guess I will have to work later from a Windows machine to get the files.

Thanks.

#8 flyboytim

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Posted 15 July 2012 - 10:14 AM

7z9.20 windows failed with Windows 8 WIMFILES.

9.27 alpha works.
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#9 ady

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Posted 15 July 2012 - 08:36 PM

@Nuno,

Have you tried with peazip 4.6.1? (just to be clear, I haven't tried it on win8 WIMs, but it does open win7's.)

There are peazip "setup" and "portable" versions for Linux and Windows, x32 and x64.
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#10 Nuno Brito

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Posted 15 July 2012 - 08:46 PM

@Nuno,
Have you tried with peazip 4.6.1? (just to be clear, I haven't tried it on win8 WIMs, but it does open win7's.)

Thanks for the suggestion, peazip looks very nice. I have installed the Linux version that you mention. Unfortunately the results are the same and does not recognize the WIM archive.

I will just run 7zip from a Windows machine tomorrow. Take care!
:cheers:




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