Windows 10: mbr2gpt error: Unrecognized partition found, index 2

Discus and support mbr2gpt error: Unrecognized partition found, index 2 in Windows 10 Installation and Upgrade to solve the problem; Windows 10.0.18363 I have 1 SSD (1TB) and 2 hard drives (3TB and 1TB), as per disk manager screenshot below. I was dual-booting with Win10 and Ubuntu... Discussion in 'Windows 10 Installation and Upgrade' started by scott1326, Nov 9, 2020.

  1. SCOTT1326
    scott1326 Win User

    mbr2gpt error: Unrecognized partition found, index 2


    Windows 10.0.18363
    I have 1 SSD (1TB) and 2 hard drives (3TB and 1TB), as per disk manager screenshot below. I was dual-booting with Win10 and Ubuntu 16.04 before a Win upgrade made the dual-boot inoperable.
    Disk 1 is a 1TB SSD, which is where I'm booting from. It was using 500GB for Win and 500GB for Ubuntu. It is MBR.
    Disk 0 is a 3TB hard drive which I was using strictly for Windows. It is GPT format.
    Disk 2 is a 1TB hard drive which I was reserving for Ubuntu. It is MBR (ext?).


    mbr2gpt error: Unrecognized partition found, index 2 [​IMG]


    I want to convert all disks to GPT. I merged the Linux partition on disk 1 into my Windows partition on that disk. mbr2gpt thinks I still have 4 partitions on that disk, while disk manager does not. mgr2gpt fails with previous error message (logs below).

    I have read previous tutorial and posts in this forum, but have not found a solution yet. Any help greatly appreciated.

    setupact.log

    setuperr.log

    :)
     
    scott1326, Nov 9, 2020
    #1
  2. GURGURDEEP
    gurgurdeep Win User

    Unrecognized partition error



    mbr2gpt error: Unrecognized partition found, index 2 [​IMG]
    Try this method but no success. And also usb media already contains install.wim file of about 3.5 gb.


    PS C:\WINDOWS\system32> REAGENTC /SetOSImage /Path C:\Win10-Recovery\INSTALL.WIM /Index 1Directory set to: \\?\GLOBALROOT\device\harddisk0\partition1\Win10-RecoveryREAGENTC.EXE: Operation Successful.PS C:\WINDOWS\system32> REAGENTC /InfoWindows Recovery Environment (Windows RE) and system reset configurationInformation: Windows RE status: Disabled Windows RE location: Boot Configuration Data (BCD) identifier: 42d7ea6a-31f3-11e7-a748-fa207b40608d Recovery image location: \\?\GLOBALROOT\device\harddisk0\partition1\Win10-Recovery Recovery image index: 1 Custom image location: Custom image index: 0REAGENTC.EXE: Operation Successful.PS C:\WINDOWS\system32> mbr2gpt /convert /allowfullOSMBR2GPT 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 0MBR2GPT: Retrieving layout of diskMBR2GPT: Validating layout, disk sector size is: 512 bytesCannot find OS partition(s) for disk 0PS C:\WINDOWS\system32>
     
    gurgurdeep, Nov 9, 2020
    #2
  3. AGSBOND
    agsbond Win User
    Unrecognized partition error


    Hi. I can't even validate using the mbr2gpt tool. I am getting an "Unrecognized partition found" error.

    mbr2gpt error: Unrecognized partition found, index 2 [​IMG]


    The setuperr and setupact log files are attached too. Somebody please hep. mbr2gpt error: Unrecognized partition found, index 2 :)

    Setuperr:
    Code:
    Code:
    2017-04-23 21:15:05, Error                        ValidateLayout: Unrecognized partition found, index 2 2017-04-23 21:15:05, Error                        Disk layout validation failed for disk 0
    setupact:
    Code:
    Code:
    2017-04-23 21:15:05, Info                         MBR2GPT was explicitly asked to run in full OS mode.2017-04-23 21:15:05, Info                         MBR2GPT: System disk number is 0 2017-04-23 21:15:05, Info                         MBR2GPT: Attempting to validate disk 0 2017-04-23 21:15:05, Info                         MBR2GPT: Retrieving layout of disk 2017-04-23 21:15:05, Info                         MBR2GPT: Initial partition information 2017-04-23 21:15:05, Info                         =========================================================== 2017-04-23 21:15:05, Info                         Partition layout for disk: 0 2017-04-23 21:15:05, Info                         Partition style          : MBR 2017-04-23 21:15:05, Info                         MBR signature: 1827330867 2017-04-23 21:15:05, Info                         Number of partitions     : 4 2017-04-23 21:15:05, Info                         ===================PARTITION=============================== 2017-04-23 21:15:05, Info                              Number: 1 2017-04-23 21:15:05, Info                                Type: 7 2017-04-23 21:15:05, Info                                Boot: Yes 2017-04-23 21:15:05, Info                          Recognized: Yes 2017-04-23 21:15:05, Info                               Style: 0 2017-04-23 21:15:05, Info                              Offset: 1048576 2017-04-23 21:15:05, Info                              Length: 524288000 2017-04-23 21:15:05, Info                              Volume: \\?\Volume{6ceadb33-0000-0000-0000-100000000000}\ 2017-04-23 21:15:05, Info                               Drive: None 2017-04-23 21:15:05, Info                             NT Path: \Device\HardDisk0\Partition1 2017-04-23 21:15:05, Info                         ===================PARTITION=============================== 2017-04-23 21:15:05, Info                              Number: 2 2017-04-23 21:15:05, Info                                Type: 7 2017-04-23 21:15:05, Info                                Boot: No 2017-04-23 21:15:05, Info                          Recognized: Yes 2017-04-23 21:15:05, Info                               Style: 0 2017-04-23 21:15:05, Info                              Offset: 525336576 2017-04-23 21:15:05, Info                              Length: 107467505664 2017-04-23 21:15:05, Info                              Volume: \\?\Volume{6ceadb33-0000-0000-0000-501f00000000}\ 2017-04-23 21:15:05, Info                               Drive: C:\ 2017-04-23 21:15:05, Info                             NT Path: \Device\HardDisk0\Partition2 2017-04-23 21:15:05, Info                         ===================PARTITION=============================== 2017-04-23 21:15:05, Info                              Number: 0 2017-04-23 21:15:05, Info                                Type: 15 2017-04-23 21:15:05, Info                                Boot: No 2017-04-23 21:15:05, Info                          Recognized: No 2017-04-23 21:15:05, Info                               Style: 0 2017-04-23 21:15:05, Info                              Offset: 107993889792 2017-04-23 21:15:05, Info                              Length: 892209202176 2017-04-23 21:15:05, Info                              Volume: <unknown>, Error:0x00000012 2017-04-23 21:15:05, Info                               Drive: None 2017-04-23 21:15:05, Info                             NT Path: \Device\HardDisk0\Partition0 2017-04-23 21:15:05, Info                         ===================PARTITION=============================== 2017-04-23 21:15:05, Info                              Number: 3 2017-04-23 21:15:05, Info                                Type: 7 2017-04-23 21:15:05, Info                                Boot: No 2017-04-23 21:15:05, Info                          Recognized: Yes 2017-04-23 21:15:05, Info                               Style: 0 2017-04-23 21:15:05, Info                              Offset: 107993890816 2017-04-23 21:15:05, Info                              Length: 892209201152 2017-04-23 21:15:05, Info                              Volume: \\?\Volume{6ceadb33-0000-0000-0000-f02419000000}\ 2017-04-23 21:15:05, Info                               Drive: E:\ 2017-04-23 21:15:05, Info                             NT Path: \Device\HardDisk0\Partition3 2017-04-23 21:15:05, Info                         =========================================================== 2017-04-23 21:15:05, Info                         ESP partition size will be 104857600 2017-04-23 21:15:05, Info                         MBR2GPT: Validating layout, disk sector size is: 512 bytes 2017-04-23 21:15:05, Error                        ValidateLayout: Unrecognized partition found, index 2 2017-04-23 21:15:05, Error                        Disk layout validation failed for disk 0
     
    agsbond, Nov 9, 2020
    #3
  4. RONHAJAJ
    RonHajaj Win User

    mbr2gpt error: Unrecognized partition found, index 2

    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, Nov 9, 2020
    #4
Thema:

mbr2gpt error: Unrecognized partition found, index 2

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