Windows 10: Cannot find room for the EFI system partition MBR2GPT: Conversion failed

Discus and support Cannot find room for the EFI system partition MBR2GPT: Conversion failed in Windows 10 BSOD Crashes and Debugging to solve the problem; Hi,I have to convert MBR to GPT without formatingI have attached log file and screen shot please help me as soon as possibleif you need anything else i... Discussion in 'Windows 10 BSOD Crashes and Debugging' started by Phoenixxes, Oct 6, 2021.

  1. Cannot find room for the EFI system partition MBR2GPT: Conversion failed


    Hi,I have to convert MBR to GPT without formatingI have attached log file and screen shot please help me as soon as possibleif you need anything else i will share it

    :)
     
    Phoenixxes, Oct 6, 2021
    #1
  2. RonHajaj Win User

    MBR2GPT fails with error - Cannot find room for the EFI system partition.

    Regarding this image, which partition should I extend?

    The problem wasn't that I didn't have enough space to update, it was the MBR2GPT error: "cannot find room for the EFI system partition"
     
    RonHajaj, Oct 6, 2021
    #2
  3. RonHajaj Win User
    MBR2GPT fails with error - Cannot find room for the EFI system partition.

    Hi,

    Would love to get some help

    I'm trying to install the new Win10 update but then I get this error: "windows can't be installed because this pc has an unsupported disk layout for UEFI firmware"

    Afterward I run MBR2GPT run it in WINPE but I get this error: "cannot find room for the EFI system partition"

    I have two partitions on this disk: 1. System. 2. Recovery and 100mb unallocated.

    When I try to shrink volume on Disk Management I get 0 size of available shrink space in MB.

    The disk has plenty of free space though.

    Any ideas?
     
    RonHajaj, Oct 6, 2021
    #3
  4. Saltgrass Win User

    Cannot find room for the EFI system partition MBR2GPT: Conversion failed

    MBR2GPT fails with error - Cannot find room for the EFI system partition.

    Have you tried running MBT2EFI while in Windows? Normally, the System EFI partition will be placed after the OS partition. If the utility cannot shrink the C partition, it may not be able to add that partition. You do only have 58 GB free in C so I can
    see why it might have problems.

    It also has to add an MSR partition which is probably 16 MB so there may not be enough room in the 101 MB partition, but just guessing.
     
    Saltgrass, Oct 6, 2021
    #4
Thema:

Cannot find room for the EFI system partition MBR2GPT: Conversion failed

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