Use DiskPart to Create the OS Partition on Clean Install.

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  1. Posts : 17,281
    Windows 11 Pro
       #11

    @Paul Black,

    I created a 128GB drive in a VM. I used diskpart to create a primary partition size 30720, formatted as NTFS, marked as active. Then I did a clean install to the partition created:

    Use DiskPart to Create the OS Partition on Clean Install.-capture.jpg

    I selected the 30 GB System partition and clicked next. Surprisingly, I ended up with exactly what I believe that you want:

    Use DiskPart to Create the OS Partition on Clean Install.-capture1.jpg
      My Computer


  2. Posts : 2,513
    trying to install win10
       #12

    Paul Black said:
    Is there nothing else to Add for the Reserved / Recovery Partition?
    Not needed for mbr
      My Computer


  3. Posts : 2,513
    trying to install win10
       #13

    I selected the 30 GB System partition and clicked next. Surprisingly, I ended up with exactly what I believe that you want:
    Why is it surprising
      My Computer


  4. Posts : 16,026
    Win 10 Pro 64-bit v1909 - Build 18363 Custom ISO Install
    Thread Starter
       #14

    Thanks for the reply @NavyLCDR, it is appreciated.

    So basically, these are the steps . . .

    [1] Boot from the installation USB.
    [2] On the Windows Installation Screen press Shift + F10.

    • diskpart
    • list disk
    • select disk 0
    • clean
    • convert mbr
    • create partition primary size=30720
    • format fs=ntfs
    • active
    • exit
    • exit

    [3] Continue to the "Where do you want to install Windows?" screen.
    [4] Highlight Drive 0.
    [5] Click Next to continue the installation.
      My Computer


  5. Posts : 17,281
    Windows 11 Pro
       #15

    Paul Black said:
    Thanks for the reply @NavyLCDR, it is appreciated.

    So basically, these are the steps . . .

    [1] Boot from the installation USB.
    [2] On the Windows Installation Screen press Shift + F10.

    • diskpart
    • list disk
    • select disk 0
    • clean
    • convert mbr
    • create partition primary size=30720
    • format fs=ntfs
    • active
    • exit
    • exit

    [3] Continue to the "Where do you want to install Windows?" screen.
    [4] Highlight Drive 0.
    [5] Click Next to continue the installation.
    Those were the steps I did.

    SIW2 said:
    Why is it surprising
    Because I figured that Microsoft, in their infinite wisdom, would have required Windows setup to create a separate system and/or recovery partition.
      My Computer


  6. Posts : 2,513
    trying to install win10
       #16

    Because I figured that Microsoft, in their infinite wisdom, would have required Windows setup to create a separate system and/or recovery partition.
    Not if you already marked a partition active.
      My Computer


 

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