HRESULT 0xC03A0011 (ERROR_VHD_METADATA_WRITE

Status / error code:

Category:

Constant name:

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Operating System:

Description:

Failed to write to the metadata of the virtual hard disk.

Could be also:
Constant	Type	OS
STATUS_VHD_METADATA_WRITE_FAILURE	NTSTATUS	Windows

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ERROR_VHD_METADATA_READ_FAILURE	ERROR_VHD_INVALID_SIZE

ERROR_VHD_METADATA_WRITE_FAILURE

ERROR_VHD_METADATA_WRITE_FAILURE means Windows could not update metadata in the virtual disk file. The issue is usually host-side: storage failure, full volume, quota, a blocked path, or a read-only condition.

What to check

Check available capacity, quota, and read-only state of the host volume.
Review host event logs for storage, NTFS/ReFS, SMB, or filter-driver failures.
Verify that backup, antivirus, replication, or another process is not holding or intercepting the virtual disk path.

Get-Volume | Select DriveLetter, SizeRemaining, Size

Microsoft: Manage virtual hard disks

Microsoft: Hyper-V antivirus exclusions

Microsoft: VHDX file format specification

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