Solved Not able to convert c: to gpt


L

LordOfKent

Member
Member
Local time
4:27 PM
Posts
14
Location
Kent, England
OS
Windows 11 Pro 64-bit
Hi guys I have read so many posts about mbr2gpt not working I am so confused.

I am trying to update my son's pc that has Win10 Home v 22H2 atm, basically the same as my pc that I had no problems upgrading from Win10 Home to Win11 Pro with legit key. I dont think I had to change from legacy to gpt then so I must have done it previously. Fist of all I cant update his to v 24H2 as I did on mine before. No matter how I seem to try I cant get the mbr2gpt conversion to work so cant switch to EUFI and Secure Boot in Bios.

This old man feels like it might be time to give up.

Setupact.log
2025-12-09 13:09:18, Info UI Determining whether we should run ConX or legacy setup
2025-12-09 13:09:18, Info UI Will launch ConX setup experience
2025-12-09 13:09:18, Info UI Initializing Media class driver for audio support
2025-12-09 13:09:18, Info UI Initializing media class driver status: 126
2025-12-09 13:09:18, Info UI Launching ConX setup experience
2025-12-09 13:09:18, Info UI Inspecting ConX Setup Cmdline
2025-12-09 13:09:18, Info UI Launching K:\Sources\SetupPrep.exe
2025-12-09 14:48:45, Info MBR2GPT was explicitly asked to run in full OS mode.
2025-12-09 14:48:45, Info MBR2GPT: Attempting to validate disk 0
2025-12-09 14:48:45, Info MBR2GPT: Retrieving layout of disk
2025-12-09 14:48:45, Info MBR2GPT: Initial partition information
2025-12-09 14:48:45, Info ===========================================================
2025-12-09 14:48:45, Info Partition layout for disk: 0
2025-12-09 14:48:45, Info Partition style : MBR
2025-12-09 14:48:45, Info MBR signature: 1603036923
2025-12-09 14:48:45, Info Number of partitions : 4
2025-12-09 14:48:45, Info ===================PARTITION===============================
2025-12-09 14:48:45, Info Number: 1
2025-12-09 14:48:45, Info Type: 7
2025-12-09 14:48:45, Info Boot: No
2025-12-09 14:48:45, Info Recognized: Yes
2025-12-09 14:48:45, Info Style: 0
2025-12-09 14:48:45, Info Offset: 1048576
2025-12-09 14:48:45, Info Length: 63963136
2025-12-09 14:48:45, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-100000000000}\
2025-12-09 14:48:45, Info Drive: J:\
2025-12-09 14:48:45, Info NT Path: \Device\HardDisk0\Partition1
2025-12-09 14:48:45, Info ===================PARTITION===============================
2025-12-09 14:48:45, Info Number: 2
2025-12-09 14:48:45, Info Type: 7
2025-12-09 14:48:45, Info Boot: Yes
2025-12-09 14:48:45, Info Recognized: Yes
2025-12-09 14:48:45, Info Style: 0
2025-12-09 14:48:45, Info Offset: 65011712
2025-12-09 14:48:45, Info Length: 445758526976
2025-12-09 14:48:45, Info Volume: \\?\Volume{a16ffdea-ace8-11e3-b501-806e6f6e6963}\
2025-12-09 14:48:45, Info Drive: C:\
2025-12-09 14:48:45, Info NT Path: \Device\HardDisk0\Partition2
2025-12-09 14:48:45, Info ===================PARTITION===============================
2025-12-09 14:48:45, Info Number: 3
2025-12-09 14:48:45, Info Type: 39
2025-12-09 14:48:45, Info Boot: No
2025-12-09 14:48:45, Info Recognized: Yes
2025-12-09 14:48:45, Info Style: 0
2025-12-09 14:48:45, Info Offset: 445824106496
2025-12-09 14:48:45, Info Length: 598736896
2025-12-09 14:48:45, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-30cd67000000}\
2025-12-09 14:48:45, Info Drive: None
2025-12-09 14:48:45, Info NT Path: \Device\HardDisk0\Partition3
2025-12-09 14:48:45, Info ===================PARTITION===============================
2025-12-09 14:48:45, Info Number: 4
2025-12-09 14:48:45, Info Type: 7
2025-12-09 14:48:45, Info Boot: No
2025-12-09 14:48:45, Info Recognized: Yes
2025-12-09 14:48:45, Info Style: 0
2025-12-09 14:48:45, Info Offset: 446423891968
2025-12-09 14:48:45, Info Length: 53683945472
2025-12-09 14:48:45, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-f0f067000000}\
2025-12-09 14:48:45, Info Drive: D:\
2025-12-09 14:48:45, Info NT Path: \Device\HardDisk0\Partition4
2025-12-09 14:48:45, Info ===========================================================
2025-12-09 14:48:45, Info ESP partition size will be 104857600
2025-12-09 14:48:45, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2025-12-09 14:48:45, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 14:48:45, Error Disk layout validation failed for disk 0
2025-12-09 14:52:13, Info MBR2GPT was explicitly asked to run in full OS mode.
2025-12-09 14:52:13, Info MBR2GPT: Attempting to validate disk 0
2025-12-09 14:52:13, Info MBR2GPT: Retrieving layout of disk
2025-12-09 14:52:13, Info MBR2GPT: Initial partition information
2025-12-09 14:52:13, Info ===========================================================
2025-12-09 14:52:13, Info Partition layout for disk: 0
2025-12-09 14:52:13, Info Partition style : MBR
2025-12-09 14:52:13, Info MBR signature: 1603036923
2025-12-09 14:52:13, Info Number of partitions : 4
2025-12-09 14:52:13, Info ===================PARTITION===============================
2025-12-09 14:52:13, Info Number: 1
2025-12-09 14:52:13, Info Type: 7
2025-12-09 14:52:13, Info Boot: No
2025-12-09 14:52:13, Info Recognized: Yes
2025-12-09 14:52:13, Info Style: 0
2025-12-09 14:52:13, Info Offset: 1048576
2025-12-09 14:52:13, Info Length: 63963136
2025-12-09 14:52:13, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-100000000000}\
2025-12-09 14:52:13, Info Drive: J:\
2025-12-09 14:52:13, Info NT Path: \Device\HardDisk0\Partition1
2025-12-09 14:52:13, Info ===================PARTITION===============================
2025-12-09 14:52:13, Info Number: 2
2025-12-09 14:52:13, Info Type: 7
2025-12-09 14:52:13, Info Boot: Yes
2025-12-09 14:52:13, Info Recognized: Yes
2025-12-09 14:52:13, Info Style: 0
2025-12-09 14:52:13, Info Offset: 65011712
2025-12-09 14:52:13, Info Length: 445758526976
2025-12-09 14:52:13, Info Volume: \\?\Volume{a16ffdea-ace8-11e3-b501-806e6f6e6963}\
2025-12-09 14:52:13, Info Drive: C:\
2025-12-09 14:52:13, Info NT Path: \Device\HardDisk0\Partition2
2025-12-09 14:52:13, Info ===================PARTITION===============================
2025-12-09 14:52:13, Info Number: 3
2025-12-09 14:52:13, Info Type: 39
2025-12-09 14:52:13, Info Boot: No
2025-12-09 14:52:13, Info Recognized: Yes
2025-12-09 14:52:13, Info Style: 0
2025-12-09 14:52:13, Info Offset: 445824106496
2025-12-09 14:52:13, Info Length: 598736896
2025-12-09 14:52:13, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-30cd67000000}\
2025-12-09 14:52:13, Info Drive: None
2025-12-09 14:52:13, Info NT Path: \Device\HardDisk0\Partition3
2025-12-09 14:52:13, Info ===================PARTITION===============================
2025-12-09 14:52:13, Info Number: 4
2025-12-09 14:52:13, Info Type: 7
2025-12-09 14:52:13, Info Boot: No
2025-12-09 14:52:13, Info Recognized: Yes
2025-12-09 14:52:13, Info Style: 0
2025-12-09 14:52:13, Info Offset: 446423891968
2025-12-09 14:52:13, Info Length: 53683945472
2025-12-09 14:52:13, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-f0f067000000}\
2025-12-09 14:52:13, Info Drive: D:\
2025-12-09 14:52:13, Info NT Path: \Device\HardDisk0\Partition4
2025-12-09 14:52:13, Info ===========================================================
2025-12-09 14:52:13, Info ESP partition size will be 104857600
2025-12-09 14:52:13, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2025-12-09 14:52:13, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 14:52:13, Error Disk layout validation failed for disk 0
2025-12-09 15:04:46, Info MBR2GPT was explicitly asked to run in full OS mode.
2025-12-09 15:04:46, Info MBR2GPT: Attempting to validate disk 0
2025-12-09 15:04:46, Info MBR2GPT: Retrieving layout of disk
2025-12-09 15:04:46, Info MBR2GPT: Initial partition information
2025-12-09 15:04:46, Info ===========================================================
2025-12-09 15:04:46, Info Partition layout for disk: 0
2025-12-09 15:04:46, Info Partition style : MBR
2025-12-09 15:04:46, Info MBR signature: 1603036923
2025-12-09 15:04:46, Info Number of partitions : 4
2025-12-09 15:04:46, Info ===================PARTITION===============================
2025-12-09 15:04:46, Info Number: 1
2025-12-09 15:04:46, Info Type: 7
2025-12-09 15:04:46, Info Boot: No
2025-12-09 15:04:46, Info Recognized: Yes
2025-12-09 15:04:46, Info Style: 0
2025-12-09 15:04:46, Info Offset: 1048576
2025-12-09 15:04:46, Info Length: 63963136
2025-12-09 15:04:46, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-100000000000}\
2025-12-09 15:04:46, Info Drive: J:\
2025-12-09 15:04:46, Info NT Path: \Device\HardDisk0\Partition1
2025-12-09 15:04:46, Info ===================PARTITION===============================
2025-12-09 15:04:46, Info Number: 2
2025-12-09 15:04:46, Info Type: 7
2025-12-09 15:04:46, Info Boot: Yes
2025-12-09 15:04:46, Info Recognized: Yes
2025-12-09 15:04:46, Info Style: 0
2025-12-09 15:04:46, Info Offset: 65011712
2025-12-09 15:04:46, Info Length: 445758526976
2025-12-09 15:04:46, Info Volume: \\?\Volume{a16ffdea-ace8-11e3-b501-806e6f6e6963}\
2025-12-09 15:04:46, Info Drive: C:\
2025-12-09 15:04:46, Info NT Path: \Device\HardDisk0\Partition2
2025-12-09 15:04:46, Info ===================PARTITION===============================
2025-12-09 15:04:46, Info Number: 3
2025-12-09 15:04:46, Info Type: 39
2025-12-09 15:04:46, Info Boot: No
2025-12-09 15:04:46, Info Recognized: Yes
2025-12-09 15:04:46, Info Style: 0
2025-12-09 15:04:46, Info Offset: 445824106496
2025-12-09 15:04:46, Info Length: 598736896
2025-12-09 15:04:46, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-30cd67000000}\
2025-12-09 15:04:46, Info Drive: None
2025-12-09 15:04:46, Info NT Path: \Device\HardDisk0\Partition3
2025-12-09 15:04:46, Info ===================PARTITION===============================
2025-12-09 15:04:46, Info Number: 4
2025-12-09 15:04:46, Info Type: 7
2025-12-09 15:04:46, Info Boot: No
2025-12-09 15:04:46, Info Recognized: Yes
2025-12-09 15:04:46, Info Style: 0
2025-12-09 15:04:46, Info Offset: 446423891968
2025-12-09 15:04:46, Info Length: 53683945472
2025-12-09 15:04:46, Info Volume: \\?\Volume{5f8c66fb-0000-0000-0000-f0f067000000}\
2025-12-09 15:04:46, Info Drive: D:\
2025-12-09 15:04:46, Info NT Path: \Device\HardDisk0\Partition4
2025-12-09 15:04:46, Info ===========================================================
2025-12-09 15:04:46, Info ESP partition size will be 104857600
2025-12-09 15:04:46, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2025-12-09 15:04:46, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 15:04:46, Error Disk layout validation failed for disk 0
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
2025-12-09 15:30:47, Info MBR2GPT was explicitly asked to run in full OS mode.
2025-12-09 15:30:47, Info MBR2GPT: Attempting to validate disk 1
2025-12-09 15:30:47, Info MBR2GPT: Retrieving layout of disk
2025-12-09 15:30:47, Info MBR2GPT: Initial partition information
2025-12-09 15:30:47, Info ===========================================================
2025-12-09 15:30:47, Info Partition layout for disk: 1
2025-12-09 15:30:47, Info Partition style : GPT
2025-12-09 15:30:47, Info Number of partitions : 3
2025-12-09 15:30:47, Info ===================PARTITION===============================
2025-12-09 15:30:47, Info Number: 1
2025-12-09 15:30:47, Info Name: Microsoft reserved partition
2025-12-09 15:30:47, Info Type: {E3C9E316-0B5C-4DB8-817D-F92DF00215AE}
2025-12-09 15:30:47, Info ID: {5C547030-627D-43F7-8B9D-009CBD15C943}
2025-12-09 15:30:47, Info Attributes: 0x0000000000000000
2025-12-09 15:30:47, Info Style: 1
2025-12-09 15:30:47, Info Offset: 17408
2025-12-09 15:30:47, Info Length: 16759808
2025-12-09 15:30:47, Info Volume: <unknown>, Error:0x00000012
2025-12-09 15:30:47, Info Drive: None
2025-12-09 15:30:47, Info NT Path: \Device\HardDisk1\Partition1
2025-12-09 15:30:47, Info ===================PARTITION===============================
2025-12-09 15:30:47, Info Number: 2
2025-12-09 15:30:47, Info Name: Basic data partition
2025-12-09 15:30:47, Info Type: {EBD0A0A2-B9E5-4433-87C0-68B6B72699C7}
2025-12-09 15:30:47, Info ID: {1AC34290-CFDF-4843-9A62-846839F9F6A7}
2025-12-09 15:30:47, Info Attributes: 0x0000000000000000
2025-12-09 15:30:47, Info Style: 1
2025-12-09 15:30:47, Info Offset: 16777216
2025-12-09 15:30:47, Info Length: 471859200000
2025-12-09 15:30:47, Info Volume: \\?\Volume{1ac34290-cfdf-4843-9a62-846839f9f6a7}\
2025-12-09 15:30:47, Info Drive: E:\
2025-12-09 15:30:47, Info NT Path: \Device\HardDisk1\Partition2
2025-12-09 15:30:47, Info ===================PARTITION===============================
2025-12-09 15:30:47, Info Number: 3
2025-12-09 15:30:47, Info Name: Basic data partition
2025-12-09 15:30:47, Info Type: {EBD0A0A2-B9E5-4433-87C0-68B6B72699C7}
2025-12-09 15:30:47, Info ID: {2433A047-55DC-4927-95AB-F6065C5E9430}
2025-12-09 15:30:47, Info Attributes: 0x0000000000000000
2025-12-09 15:30:47, Info Style: 1
2025-12-09 15:30:47, Info Offset: 471875977216
2025-12-09 15:30:47, Info Length: 528327114752
2025-12-09 15:30:47, Info Volume: \\?\Volume{2433a047-55dc-4927-95ab-f6065c5e9430}\
2025-12-09 15:30:47, Info Drive: I:\
2025-12-09 15:30:47, Info NT Path: \Device\HardDisk1\Partition3
2025-12-09 15:30:47, Info ===========================================================
2025-12-09 15:30:47, Info ESP partition size will be 104857600
2025-12-09 15:30:47, Info MBR2GPT: Validating layout, disk sector size is: 512 bytes
2025-12-09 15:30:47, Error ValidateLayout: Unexpected partition style, expected 0, found 1
2025-12-09 15:30:47, Error Disk layout validation failed for disk 1
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001
AudMig: Device Ids match - {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001 {2}.\\?\hdaudio#func_01&ven_10de&dev_009f&subsys_1043881d&rev_1001#5&1901c29&0&0001#{6994ad04-93ef-11d0-a3cc-00a0c9223196}\topo01/00010001

Error log

2025-12-09 14:48:45, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 14:48:45, Error Disk layout validation failed for disk 0
2025-12-09 14:52:13, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 14:52:13, Error Disk layout validation failed for disk 0
2025-12-09 15:04:46, Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
2025-12-09 15:04:46, Error Disk layout validation failed for disk 0
2025-12-09 15:30:47, Error ValidateLayout: Unexpected partition style, expected 0, found 1
2025-12-09 15:30:47, Error Disk layout validation failed for disk 1




A couple of screen shots below.
 

Attachments

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My Computer My Computer

At a glance

Windows 11 Pro 64-bitRyzen 7 5700X32 GB CrucialGForce RTX 3600 Super 12GB VRam
OS
Windows 11 Pro 64-bit
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
Ryzen 7 5700X
Motherboard
MSI MPG B550 GAMING PLUS (MS-7C56) (AM4)
Memory
32 GB Crucial
Graphics Card(s)
GForce RTX 3600 Super 12GB VRam
Monitor(s) Displays
Gigabyte M28U
Screen Resolution
3840 x 2160 (UHD)
Hard Drives
2 x 1TB Crucial nvme CT1000P310SSD8
WD WDS500G2B0A 500G
Samsung SSD 870 EVO 1TB
TOSHIBA DT01ACA200 2TB SSD
TOSHIBA HDWD120 2TB
SanDisk SDSSDA240G 240GB
PSU
700W
Case
Fractal Meshify B
Cooling
Sythe Fuma 2 Tower
Keyboard
Logitec G105
Mouse
Logitec G502 Hero
Browser
Firefox
Antivirus
Malwarebytes and MS

My Computer My Computer

At a glance

Windows 11AMD Ryzen 7 5700GMicron Technology DDR4-3200 16GBNVIDIA GeForce RTX 3060
OS
Windows 11
Computer type
PC/Desktop
Manufacturer/Model
HP Pavilion
CPU
AMD Ryzen 7 5700G
Motherboard
Erica6
Memory
Micron Technology DDR4-3200 16GB
Graphics Card(s)
NVIDIA GeForce RTX 3060
Sound Card
Realtek ALC671
Monitor(s) Displays
Samsung SyncMaster U28E590
Screen Resolution
3840 x 2160
Hard Drives
SAMSUNG MZVLQ1T0HALB-000H1

My Computers My Computers

System One System Two

  • At a glance

    All Branches but StableAMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 232 GB DDR5Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB...
    OS
    All Branches but Stable
    Computer type
    Laptop
    Manufacturer/Model
    Acer Nitro ANV15-51
    CPU
    AMD Ryzen 7 7735HS 3200-4500 Mhz 8 cores x 2
    Motherboard
    Sportage_RBH
    Memory
    32 GB DDR5
    Graphics Card(s)
    Radeon Graphic / NVIDIA GeForce RTX 4060 8 GB GDDR6
    Sound Card
    AMD/Realtek(R) Audio
    Monitor(s) Displays
    Integrated Monitor (15.3"vis)
    Screen Resolution
    FHD 1920X1080 16:9 144Hz
    Hard Drives
    KINGSTON OM8SEP4512Q-AA 1TB
    Western Digital 256GB
    PSU
    19V DC 6.32 A 120 W
    Cooling
    Dual Fans
    Mouse
    MS Bluetooth
    Internet Speed
    Fiber 1GB Cox -us & 1GB Orange-fr
    Browser
    Edge Canary- Firefox Nightly-Chrome Dev-Chrome Dev
    Antivirus
    Windows Defender

  • At a glance

    Windows 11 BetaAMD A9-94208 GB of DDR4AMD Radeon R5
    Operating System
    Windows 11 Beta
    Computer type
    Laptop
    Manufacturer/Model
    Asus X751BP
    CPU
    AMD A9-9420
    Memory
    8 GB of DDR4
    Graphics card(s)
    AMD Radeon R5
    Screen Resolution
    1600x900
    Hard Drives
    Seagate 1 TB
I've only seen this problem one other time, and the solution was a backup to an external followed by initializing the target drive and reformatting using gParted
 

My Computer My Computer

At a glance

Windows 11 22H2 Pro (X-lite Micro 11 version)i7 13850HX (20 cores, 28 threads)32GB DDR5Intel UHD/ RTX 1000 ADA
OS
Windows 11 22H2 Pro (X-lite Micro 11 version)
Computer type
Laptop
Manufacturer/Model
Dell/ Precision 7680
CPU
i7 13850HX (20 cores, 28 threads)
Motherboard
Dell
Memory
32GB DDR5
Graphics Card(s)
Intel UHD/ RTX 1000 ADA
Sound Card
Realtek
Monitor(s) Displays
4K UHD Touchscreen
Screen Resolution
3840 x 2400
Hard Drives
Samsung 512GB system drive
WD Blue 1TB game drive
PSU
240W AC adapter
Internet Speed
1 gigabit symmetrical
Browser
Firefox, Librewolf
Antivirus
None. Manully configured so nobody except me can change any critical system files. (Don't ask how, it's probably against some rule somewhere)
It's quite possible it's due to the size of your system partition. It should be at least 100MB
 

My Computer My Computer

At a glance

Linux Mint
OS
Linux Mint
Computer type
Laptop
Manufacturer/Model
System76 Lemur Pro
Upgrading Windows 10 to Windows 11 can succeed even if Windows is installed on an MBR disk, for example, by using the "setup.exe /product server" command.

However, if the computer meets the official Windows 11 system requirements, it’s a good idea to convert the MBR disk to GPT first. Doing so eliminates the need to bypass any Windows 11 hardware checks.

LordOfKent said:
Error ValidateLayout: Too many MBR partitions found, no room to create EFI system partition.
Click to expand...

This occurs because the disk contains too many partitions.

"Disk Prerequisites: There are at most three primary partitions in the MBR partition table"

learn.microsoft.com

MBR2GPT

Use MBR2GPT.EXE to convert a disk from the Master Boot Record (MBR) to the GUID Partition Table (GPT) partition style without modifying or deleting data on the disk.
learn.microsoft.com

neemobeer said:
It's quite possible it's due to the size of your system partition. It should be at least 100MB
Click to expand...

This is not a problem.

"Creating an EFI system partition: If the existing MBR system partition can't be reused, a new EFI system partition is created by shrinking the OS partition. This new partition has a size of 100 MB (or 260 MB for 4K sector size disks) and is formatted FAT32."
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 ProAMD Ryzen 9 9950X3DKingston FURY Beast 64GB (2x32GB) DDR5 6000MT/sASUS TUF Gaming Radeon RX 9070 OC Edition 16G...
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X3D
    Motherboard
    ASRock B650E Taichi Lite
    Memory
    Kingston FURY Beast 64GB (2x32GB) DDR5 6000MT/s
    Graphics Card(s)
    ASUS TUF Gaming Radeon RX 9070 OC Edition 16GB GDDR6
    Hard Drives
    Solidigm P44 Pro 2TB M.2 NVMe SSD

  • At a glance

    Windows 11 HomeIntel Core Ultra 9 275HX64GB (2x 32GB) DDR5-6400NVIDIA GeForce RTX 5080 16GB GDDR7 Laptop GPU
    Operating System
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Legion Pro 7i Gen 10 16"
    CPU
    Intel Core Ultra 9 275HX
    Memory
    64GB (2x 32GB) DDR5-6400
    Graphics card(s)
    NVIDIA GeForce RTX 5080 16GB GDDR7 Laptop GPU
    Hard Drives
    2x 1TB M.2 NVMe SSD (SK Hynix)
Minitool Partition Wizard
AOMEI Partition Assistant
(both freeware)

I assume you're creating system images before no matter which method you try .... please, tell me, you are, aren't you??
Macrium Reflect (freeware still available from majorgeeks)
AOMEI Backupper (freeware)
 

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 2xH2 (latest update ... forever anal)Intel i5-124008GBNVIDIA GeForce GT730
    OS
    Windows 11 2xH2 (latest update ... forever anal)
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Slim S01
    CPU
    Intel i5-12400
    Memory
    8GB
    Graphics Card(s)
    NVIDIA GeForce GT730
    Sound Card
    OOBE
    Monitor(s) Displays
    Acer 32"
    Screen Resolution
    1920x1080
    Hard Drives
    512GB KIOXIA NVMe
    1TB SATA SSD
    PSU
    OOBE
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    OOBE
    Cooling
    OOBE
    Keyboard
    BT
    Mouse
    BT
    Browser
    Brave FFox Chrome Opera
    Antivirus
    KIS

  • At a glance

    Windows 11 Pro 2xH2 (latest update ... 4ever ...i7-1165G7 @ 2.80GHzIntel Iris Xe Graphics
    Operating System
    Windows 11 Pro 2xH2 (latest update ... 4ever anal)
    Computer type
    Laptop
    Manufacturer/Model
    HP Pavillion 15
    CPU
    i7-1165G7 @ 2.80GHz
    Graphics card(s)
    Intel Iris Xe Graphics
    Hard Drives
    Samsung NVMe 512GB
    + numerous/multiple SSD Type C USB enclosures
    Internet Speed
    NBN FTTN 50
    Browser
    Brave
    Antivirus
    KIS
Screenshot 2025-12-09 153549.webp

Your disk currently has four primary partitions:
System Reserved, C:, Recovery, and D:
(The 501 MB "Unallocated" area is not a partition.)

1. Extend the C: partition in Disk Management, which will remove the 501 MB of unallocated space.
2. Check whether there is enough free space on the C: partition. Move files from the D: partition to C:.
3. Delete the D: partition in Disk Management.
4. Run the MBR2GPT command.
 
Last edited:

My Computers My Computers

System One System Two

  • At a glance

    Windows 11 ProAMD Ryzen 9 9950X3DKingston FURY Beast 64GB (2x32GB) DDR5 6000MT/sASUS TUF Gaming Radeon RX 9070 OC Edition 16G...
    OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    CPU
    AMD Ryzen 9 9950X3D
    Motherboard
    ASRock B650E Taichi Lite
    Memory
    Kingston FURY Beast 64GB (2x32GB) DDR5 6000MT/s
    Graphics Card(s)
    ASUS TUF Gaming Radeon RX 9070 OC Edition 16GB GDDR6
    Hard Drives
    Solidigm P44 Pro 2TB M.2 NVMe SSD

  • At a glance

    Windows 11 HomeIntel Core Ultra 9 275HX64GB (2x 32GB) DDR5-6400NVIDIA GeForce RTX 5080 16GB GDDR7 Laptop GPU
    Operating System
    Windows 11 Home
    Computer type
    Laptop
    Manufacturer/Model
    Lenovo Legion Pro 7i Gen 10 16"
    CPU
    Intel Core Ultra 9 275HX
    Memory
    64GB (2x 32GB) DDR5-6400
    Graphics card(s)
    NVIDIA GeForce RTX 5080 16GB GDDR7 Laptop GPU
    Hard Drives
    2x 1TB M.2 NVMe SSD (SK Hynix)
idgat said:
Minitool Partition Wizard
AOMEI Partition Assistant
(both freeware)

I assume you're creating system images before no matter which method you try .... please, tell me, you are, aren't you??
Macrium Reflect (freeware still available from majorgeeks)
AOMEI Backupper (freeware)
Click to expand...

Yes I am using Macrium and backing up as I go. (y)
 

My Computer My Computer

At a glance

Windows 11 Pro 64-bitRyzen 7 5700X32 GB CrucialGForce RTX 3600 Super 12GB VRam
OS
Windows 11 Pro 64-bit
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
Ryzen 7 5700X
Motherboard
MSI MPG B550 GAMING PLUS (MS-7C56) (AM4)
Memory
32 GB Crucial
Graphics Card(s)
GForce RTX 3600 Super 12GB VRam
Monitor(s) Displays
Gigabyte M28U
Screen Resolution
3840 x 2160 (UHD)
Hard Drives
2 x 1TB Crucial nvme CT1000P310SSD8
WD WDS500G2B0A 500G
Samsung SSD 870 EVO 1TB
TOSHIBA DT01ACA200 2TB SSD
TOSHIBA HDWD120 2TB
SanDisk SDSSDA240G 240GB
PSU
700W
Case
Fractal Meshify B
Cooling
Sythe Fuma 2 Tower
Keyboard
Logitec G105
Mouse
Logitec G502 Hero
Browser
Firefox
Antivirus
Malwarebytes and MS
Celery said:
View attachment 156244


1. Extend the C: partition in Disk Management, which will remove the 501 MB of unallocated space.
2. Check whether there is enough free space on the C: partition. Move files from the D: partition to C:.
3. Delete the D: partition in Disk Management.
4. Run the MBR2GPT command.
Click to expand...
This worked after deleting D: re-instated after MBR2GPT worked and done the conversion. Thanks
 

My Computer My Computer

At a glance

Windows 11 Pro 64-bitRyzen 7 5700X32 GB CrucialGForce RTX 3600 Super 12GB VRam
OS
Windows 11 Pro 64-bit
Computer type
PC/Desktop
Manufacturer/Model
Home build
CPU
Ryzen 7 5700X
Motherboard
MSI MPG B550 GAMING PLUS (MS-7C56) (AM4)
Memory
32 GB Crucial
Graphics Card(s)
GForce RTX 3600 Super 12GB VRam
Monitor(s) Displays
Gigabyte M28U
Screen Resolution
3840 x 2160 (UHD)
Hard Drives
2 x 1TB Crucial nvme CT1000P310SSD8
WD WDS500G2B0A 500G
Samsung SSD 870 EVO 1TB
TOSHIBA DT01ACA200 2TB SSD
TOSHIBA HDWD120 2TB
SanDisk SDSSDA240G 240GB
PSU
700W
Case
Fractal Meshify B
Cooling
Sythe Fuma 2 Tower
Keyboard
Logitec G105
Mouse
Logitec G502 Hero
Browser
Firefox
Antivirus
Malwarebytes and MS
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