Windows All-In-One ISOs and .imgPTN files

Windows AIO ISOs are usually highly compressed. The extracted files will often be much larger than the ISO file.
For instance a 12GB AIO iso may be extracted to 18GB of files.
Another problem is that the ISO may contain files larger than 4GB. In this case, you cannot use the MPI_FAT32 shortcut because the maximum file size for FAT32 is 4GB.
If you are having problems making a .imgPTN file, the usual reason is that you have not made a large enough .imgPTN file.
Here is a way around this:
1. Create a new empty folder on the Desktop - e.g. MyAIO
2. Extract the contents of the ISO into the MyAIO folder (e.g. using 7Zip or WinRar or PowerIso)
3. Check the folder for any files larger than 4GB - if there are any files >4GB you cannot use the MPI_FAT32 shortcut (see below)
3. Drag-and-Drop the MyAIO folder onto the MPI_FAT32 or MPI_NTFS Desktop shortcut.
Note that for UEFI-booting, you must use MPI_FAT32 (not MPI_NTFS).

Alternative method for FAT32 and >4GB files

Depending on how the code has been written inside the ISO, you may be able to use Chandra's Split_WinISO utility.
This will split any large .wim or .esd files into .swm files, however the ISO code may not recognise .swm files, so this method may not work with some AIO ISOs.

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