What does NTSTATUS 0xC0380036 (STATUS_VOLMGR_PARTITION_STYLE_INVALID) mean?

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The Volume Manager operation received a partition style other than supported MBR or GPT.

Could be also:
Constant	Type	OS
ERROR_VOLMGR_PARTITION_STYLE_INVALID	HRESULT	Windows

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STATUS_VOLMGR_PACK_WITHOUT_QUORUM	STATUS_VOLMGR_PARTITION_UPDATE_FAILED

STATUS_VOLMGR_PARTITION_STYLE_INVALID

STATUS_VOLMGR_PARTITION_STYLE_INVALID indicates that the operation was given a disk style it cannot use. In this Volume Manager path, the supported styles are MBR and GPT; an uninitialized/raw layout or a malformed style value is not interchangeable with either one.

Partition style is different from disk type. A disk can use MBR or GPT while the operating system separately classifies storage as basic or dynamic. Diagnose the actual layout header and API input before making any conversion decision.

What to check

Read the PartitionStyle returned for the physical drive and verify that the requested operation targets the correct device.
Check whether provisioning stopped before initialization, leaving the disk raw, or whether a caller serialized the wrong enum value.
For GPT media, validate both GPT headers and partition entries rather than treating a protective MBR as a normal legacy MBR layout.

Microsoft: DRIVE_LAYOUT_INFORMATION_EX

UEFI Specification: GPT disk layout

Microsoft: Volume Manager error codes

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