What does HRESULT 0xC03A0028 (ERROR_VHD_METADATA_FULL) mean?

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Constant name:

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Description:

There is not enough space in the virtual disk file for the provided metadata item.

Could be also:
Constant	Type	OS
STATUS_VHD_METADATA_FULL	NTSTATUS	Windows

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ERROR_VHD_ALREADY_AT_OR_BELOW_MINIMUM_VIRTUAL_SIZE	ERROR_VHD_INVALID_CHANGE_TRACKING_ID

ERROR_VHD_METADATA_FULL

ERROR_VHD_METADATA_FULL means the virtual disk has no available metadata space for the requested item. This is about VHD/VHDX structural metadata, not ordinary free capacity inside the guest file system.

What to check

Identify the application or management workflow that attempted to add or change virtual disk metadata.
Avoid modifying metadata manually or using unsupported tools to remove entries.
If the disk was produced by a third-party tool, verify format compatibility and restore or recreate the disk when the metadata layout cannot support the required feature.

Microsoft: VHDX file format specification

Microsoft: Get-VHD

Microsoft: Manage virtual hard disks

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