Windows 10: mbr2gpt error 0x00000000 partition 23 mapping missing

warryx · Jan 9, 2020

hi I readed all on internet about mbr2gpt all I attempt so far didn't work I need help now thx you for your time spend

:)

RonHajaj · Jan 9, 2020

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"

HarshitChaudharyGurjar · Jan 9, 2020

MBR2GPT

I also think so.

Windows upgrade 1903 automatically created a 450 mb recovery partition which I had to delete as mbr2gpt don't work with more than 3 primary partition.

So, do I need to create a recovery partition now to get mbr2gpt work?

I have already tried what you told. It says something like "can't enable win re service "

naknik · Jan 9, 2020

Need help with MBR2GPT.

Hey I'm trying to convert my ssd to GPT from MBR. Tried the new tool from microsoft that's the results.

Code:

mbr2gpt.exe /convert /allowfullOS /logs:C:/

MBR2GPT will now attempt to convert the default book disk.
If conversion is successful the disk can only be booted in GPT mode.
These changes cannot be undone!

MBR2GPT: Attempting to convert disk 0
MBR2GPT: Retrieving layout of disk
MBR2GPT: Validating layout, disk sector size is: 512 bytes
MBR2GPT: Trying to shrink the system partition
MBR2GPT: Trying to shrink the OS partition
Cannot find room for the EFI system partition.
MBR2GPT: Conversion failed
Click to expand...

and the logs of course

Code:

2018-05-06 22:44:23, Info MBR2GPT was explicitly asked to run in full OS mode.
2018-05-06 22:44:23, Info MBR2GPT: System disk number is 0
2018-05-06 22:44:23, Info MBR2GPT: Attempting to convert disk 0
2018-05-06 22:44:23, Info MBR2GPT: Retrieving layout of disk
2018-05-06 22:44:23, Info MBR2GPT: Initial partition information
2018-05-06 22:44:23, Info ===========================================================
2018-05-06 22:44:23, Info Partition layout for disk: 0
2018-05-06 22:44:23, Info Partition style : MBR
2018-05-06 22:44:23, Info MBR signature: 767874086
2018-05-06 22:44:23, Info Number of partitions : 1
2018-05-06 22:44:23, Info ===================PARTITION===============================
2018-05-06 22:44:23, Info Number: 1
2018-05-06 22:44:23, Info Type: 7
2018-05-06 22:44:23, Info Boot: Yes
2018-05-06 22:44:23, Info Recognized: Yes
2018-05-06 22:44:23, Info Style: 0
2018-05-06 22:44:23, Info Offset: 1048576
2018-05-06 22:44:23, Info Length: 119487593984
2018-05-06 22:44:23, Info Volume: \\?\Volume{2dc4d426-0000-0000-0000-100000000000}\
2018-05-06 22:44:23, Info Drive: C:\
2018-05-06 22:44:23, Info NT Path: \Device\HardDisk0\Partition1
2018-05-06 22:44:23, Info ===========================================================
2018-05-06 22:44:23, Info ESP partition size will be 104857600
2018-05-06 22:44:23, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2018-05-06 22:44:23, Info BCD: Opening store. Flags: 0x0
2018-05-06 22:44:23, Info BCD: Store path: "\??\GLOBALROOT\device\harddisk0\partition1\Boot\BCD"
2018-05-06 22:44:23, Info BCD: Loaded hive at BCD00000000
2018-05-06 22:44:23, Info BCD: Opening object {9dea862c-5cdd-4e70-acc1-f32b344d4795}
2018-05-06 22:44:23, Info FindOSPartitions: Default boot entry: {5B490907-4EDF-11E8-A88E-BD164AA05918}
2018-05-06 22:44:23, Info BCD: Opening object {5b490907-4edf-11e8-a88e-bd164aa05918}
2018-05-06 22:44:23, Info VERBOSE: Device path: \Device\HarddiskVolume1
2018-05-06 22:44:23, Info VERBOSE: Dos path: \\?\GLOBALROOT\Device\HarddiskVolume1
2018-05-06 22:44:23, Info FindOSPartitions: Volume name for the default boot entry: \\?\Volume{2dc4d426-0000-0000-0000-100000000000}\
2018-05-06 22:44:23, Info BCD: Opening object {b29830aa-4edf-11e8-a88e-bd164aa05918}
2018-05-06 22:44:23, Info VERBOSE: Device path: \Device\HarddiskVolume1
2018-05-06 22:44:23, Info VERBOSE: Dos path: \\?\GLOBALROOT\Device\HarddiskVolume1
2018-05-06 22:44:23, Info FindOSPartitions: Volume name for the recovery boot entry: \\?\Volume{2dc4d426-0000-0000-0000-100000000000}\
2018-05-06 22:44:23, Info FindOSPartitions: WIM path for the recovery boot entry: \Recovery\WindowsRE\Winre.wim
2018-05-06 22:44:23, Info FindOSPartitions: Default boot entry locale: he-IL
2018-05-06 22:44:23, Info Bitlocker protection for C:\ is either off or suspended.
2018-05-06 22:44:23, Info Unique ID recap for volumes:
2018-05-06 22:44:23, Info Volume name: \\?\Volume{2dc4d426-0000-0000-0000-100000000000}
2018-05-06 22:44:23, Info Unique ID size: 12
2018-05-06 22:44:23, Info MBR2GPT: System partition and WinRE partitions are the same.
2018-05-06 22:44:23, Info MBR2GPT: Trying to shrink the system partition
2018-05-06 22:44:36, Warning MBR2GPT: Partition final size is: 119487593984 (initial size was 119487593984), cannot rely on this space
2018-05-06 22:44:36, Info MBR2GPT: Trying to shrink the OS partition
2018-05-06 22:44:45, Warning MBR2GPT: Partition final size is: 119487593984 (initial size was 119487593984), cannot rely on this space
2018-05-06 22:44:45, Error Cannot find room for the EFI system partition.
2018-05-06 22:44:45, Info MBR2GPT: Partition information at error point
2018-05-06 22:44:45, Info ===========================================================
2018-05-06 22:44:45, Info Partition layout for disk: 0
2018-05-06 22:44:45, Info Partition style : MBR
2018-05-06 22:44:45, Info MBR signature: 767874086
2018-05-06 22:44:45, Info Number of partitions : 1
2018-05-06 22:44:45, Info ===================PARTITION===============================
2018-05-06 22:44:45, Info Number: 1
2018-05-06 22:44:45, Info Type: 7
2018-05-06 22:44:45, Info Boot: Yes
2018-05-06 22:44:45, Info Recognized: Yes
2018-05-06 22:44:45, Info Style: 0
2018-05-06 22:44:45, Info Offset: 1048576
2018-05-06 22:44:45, Info Length: 119487593984
2018-05-06 22:44:45, Info Volume: \\?\Volume{2dc4d426-0000-0000-0000-100000000000}\
2018-05-06 22:44:45, Info Drive: C:\
2018-05-06 22:44:45, Info NT Path: \Device\HardDisk0\Partition1
2018-05-06 22:44:45, Info ===========================================================
2018-05-06 22:44:45, Info MBR2GPT: Conversion failed
Click to expand...

What should I do?

Thanks!

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