Disk utility partition SSD - APFS Container Resize error code is 49174

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Disk utility partition SSD - APFS Container Resize error code is 49174

Hello everyone,

I'm having the same issue mentioned in this discussion: https://discussions.apple.com/thread/8155102

So I need to make a free space partition from the main disk volume of my MacBook Pro 13" late 2020 1TB SSD (currently running macOS Big Sur 11.1), by having a Bootcamp partition of 151GB to run Windows 10, I need to create an MS-DOS partition of 99GB from the remaining 849GB:

During the

sudo diskutil apfs resizeContainer disk0s2 750g jhfs+ Extra 99g

the shell returns this error while resizing APFS Container structures

Verifying allocated space

warning: overallocation detected on Main device: (0xba051eb+320) bitmap address (0x4e247)

The volume /dev/disk0s2 appears to be OK

Storage system check exit code is 0

Shrinking APFS Physical Store disk0s2 from 849.000.505.344 to 749.999.996.928 bytes

Shrinking APFS data structures

APFS Container Resize error code is 49174

Error: -69606: A problem occurred while resizing APFS Container structures

I've tried all of the replies to the section in the discussion linked above but still not able to get rid of this error code during this part, neither using the partition assistant in Disk Utility.

Any guess?

Thank you all.

MacBook, macOS 10.15

Posted on Jan 4, 2021 9:48 AM

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Answer 1

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leroydouglas

Community+ 2024

Level 10

188,838 points

Jan 4, 2021 9:59 AM in response to nickintosh3

nickintosh3 wrote:

So I need to make a free space partition from the main disk volume of my MacBook Pro 13" late 2020 1TB SSD (currently running macOS Big Sur 11.1), by having a Bootcamp partition of 151GB to run Windows 10, I need to create an MS-DOS partition of 99GB from the remaining 849GB:

Add, delete, or erase APFS volumes in Disk Utility on Mac ...

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Answer 2

Jan 4, 2021 11:00 AM in response to nickintosh3

nickintosh3 wrote:

Thank you for the suggestion but I’ve already given this try by simply partitioning from Disk Utility, still with the same error code:

APFS Container Resize error code is 49174

Error: -69606: A problem occurred while resizing APFS Container structures

https://discussions.apple.com/content/attachment/f4c5e87d-5541-4b83-9c4f-b0526ae732f1

Also I’m quite sure that the cause is not coming from the Time Machine autobackup snapshot (I don’t even use Time Machine) nor the FileVault that I’ve disabled as suggested during those steps.

What am I supposed to do?

Partitioning is different from resizing adding deleting Volumes.

Advised to use bootcamp Assistant to Partition the parent drive.

you can explore options for Partitioning.

There is very little/no support documentation for manipulating, trouble shooting APFS Terminal commands

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Answer 3

nickintosh3 Author

Level 1

8 points

Jan 4, 2021 10:46 AM in response to leroydouglas

Thank you for the suggestion but I’ve already given this try by simply partitioning from Disk Utility, still with the same error code:

APFS Container Resize error code is 49174

Error: -69606: A problem occurred while resizing APFS Container structures

Also I’m quite sure that the cause is not coming from the Time Machine autobackup snapshot (I don’t even use Time Machine) nor the FileVault that I’ve disabled as suggested during those steps.

What am I supposed to do?

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Answer 4

nickintosh3 Author

Level 1

8 points

Jan 4, 2021 11:23 AM in response to leroydouglas

In my case I'm not supposed to use Bootcamp Assistant because it would delete my Windows partition and then creating a new one, instead I'd rather try to allocate more storage by partitioning like here https://www.youtube.com/watch?v=-WRkeL1Lnq8&f and then allocate that free space in it.

Thank you for the help

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Disk utility partition SSD - APFS Container Resize error code is 49174

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