Windows 10: The file "install.wim" is too large for the destination file system.

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  1. Posts : 408
    Windows 10 Pro 15063.483
       1 Week Ago #11

    I just checked the MCT and it is still offering the original March release 15063.0 of Windows 10. The new June refresh MSDN ISO is version 15063.413 and as you have found will not fit on a FAT32 formatted flash drive because of the 4.0GB file size limit of FAT32.

    For UEFI installs you need a bootable FAT partition. I know you are not a fan of Rufus but it can solve this issue. It can create a very small FAT12 bootable partition and the rest of the flash drive will be formatted NTFS for data. I have actually made a flash drive of this type and it works as advertised.

    Here are my settings for Rufus:

    Click image for larger version. 

Name:	Rufus.png 
Views:	27 
Size:	17.8 KB 
ID:	143204

    Your settings may be different depending on your system setup. The yellow highlighted area is the important one related to this issue.

    Here is my flash drive:

    Click image for larger version. 

Name:	Flash Drive.png 
Views:	2 
Size:	7.6 KB 
ID:	143205
      My ComputerSystem Spec

  2.    1 Week Ago #12

    tracit99 said: View Post
    I just checked the MCT and it is still offering the original March release 15063.0 of Windows 10. The new June refresh MSDN ISO is version 15063.413 and as you have found will not fit on a FAT32 formatted flash drive because of the 4.0GB file size limit of FAT32.

    For UEFI installs you need a bootable FAT partition. I know you are not a fan of Rufus but it can solve this issue. It can create a very small FAT12 bootable partition and the rest of the flash drive will be formatted NTFS for data. I have actually made a flash drive of this type and it works as advertised.

    Here are my settings for Rufus:

    Click image for larger version. 

Name:	Rufus.png 
Views:	27 
Size:	17.8 KB 
ID:	143204

    Your settings may be different depending on your system setup. The yellow highlighted area is the important one related to this issue.

    Here is my flash drive:

    Click image for larger version. 

Name:	Flash Drive.png 
Views:	2 
Size:	7.6 KB 
ID:	143205
    This Rufus method should work in any computer with UEFI firmware. Another method is simply to format the UFD witn NTFS, mount the ISO and copy its contents to the UFD. But this may not work in some computers.
      My ComputerSystem Spec

  3.    1 Week Ago #13

    Yeah, not a big fan of Rufus. Too many settings to get wrong for the average joe. My ASUS laptop will do UEFI installs from NFTS formatted drives. And my desktop PC's are all legacy. It's just my wife's Acer laptop that may have an issue with it. I'm just going to wait and see if the rumored fall update shows up, and reinvestigate this then.
      My ComputerSystem Spec

  4.    1 Week Ago #14

    It's going to be interesting to see how MS resolves this dilemma... ESD's are fine but do not support servicing...
      My ComputerSystem Spec

  5.    1 Week Ago #15

    Another option is to load NTFS EFI drivers (See The rEFInd Boot Manager: Using EFI Drivers) or boot from PE and install with DISM.
      My ComputerSystem Spec

  6.    1 Week Ago #16

    Hi,
    @lx07 : Isn't that what Rufus is using ?

    In order Rufus to work (i.e. create a second partition) to work you'd need a flash drive that supports it, such as that Sandisk Glide, correct ?

    Cheers,
      My ComputersSystem Spec

  7.    1 Week Ago #17

    fdegrove said: View Post
    Hi,
    @lx07 : Isn't that what Rufus is using ?

    In order Rufus to work (i.e. create a second partition) to work you'd need a flash drive that supports it, such as that Sandisk Glide, correct ?

    Cheers,
    I think that is what Rufus does, yes, makes a FAT partition with EFI NTFS drivers then NTFS partition.

    What I meant was you could boot from FAT formatted PE rescue disk (or you could put bootloader like rEFInd instead) and then install Windows from a separate NTFS USB containing the .wim. This method would be a bit redundant now I suppose as I saw this describing setting up on one USB

    WinPE: Create USB Bootable drive | Microsoft Docs

    You can partition any flash drive with multiple partitions - no need for a special type. At least I've never had any refuse. The only issue AFAIK is Windows prior to 1703 would only recognize the first partition unless it the drive was seen as fixed.
      My ComputerSystem Spec

  8.    1 Week Ago #18

    Hi,

    You can partition any flash drive with multiple partitions - no need for a special type. At least I've never had any refuse. The only issue AFAIK is Windows prior to 1703 would only recognize the first partition unless it the drive was seen as fixed.
    Thanks for that. I wasn't aware MS fixed that. I had the impression it was hardware dependent.

    Cheers,
      My ComputersSystem Spec

  9.    1 Week Ago #19

    See, the thing is, the average joe isn't going to want to go through all these hoops just to install Windows. The more tech savvy will just grin and bear it, but the not so tech savvy will just get frustrated and say WTF Microsoft? A lot will likely just turn secure boot off and do a legacy install.

    That being said, the ISO I downloaded via the Media Creation Tool was fine, and worked with fat 32. It hasn't been updated like the MSDN ISO though, its an older version. The MSDN ISO is newer and doesn't work with fat 32. Those with MSDN access will more than likely fall into the more tech savvy group.

    If the media Creation Tool remains fat32 compatible it won't be a big issue for most.
      My ComputerSystem Spec

  10.    1 Week Ago #20

    Hi,

    If the media Creation Tool remains fat32 compatible it won't be a big issue for most.
    Surely MS is aware of that. IP installs keep on having smaller and smaller footprints.
    OTOH, MCT created media or ISO are only good for installing the OS. Ideally you'd want a .WIM file as @Superfly has pointed out.

    Cheers,
      My ComputersSystem Spec


 
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