HRESULT 0xC0AAB14A: meaning and diagnosis

Status / error code:		Category:

Constant name:
Source:		Operating System:
Description: the selected boot emulation type does not match the boot-image size.

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IMAPI_E_BOOT_OBJECT_CONFLICT	IMAPI_E_EMPTY_DISC

IMAPI_E_BOOT_EMULATION_IMAGE_SIZE_MISMATCH

IMAPI_E_BOOT_EMULATION_IMAGE_SIZE_MISMATCH comes from the El Torito boot-image configuration exposed by IBootOptions. AssignBootImage automatically selects floppy emulation for 1.2 MB, 1.44 MB and 2.88 MB images, while put_Emulation can explicitly override the emulation type.

Compare the boot stream size with the requested emulation mode

Read ImageSize after assigning the boot stream and record the selected EmulationType.
Do not force floppy emulation for an image whose size does not match the corresponding floppy geometry.
Use EmulationNone when the boot image is intended for no-emulation boot and no floppy/disk emulation contract applies.

This failure is about boot catalog configuration, not the filesystem image size or optical-media capacity. Replacing the recorder or changing burn speed will not reconcile the requested emulation mode with the supplied boot stream. IMAPI does not provide a boot image, so the application must validate the image it supplies and deliberately choose platform and emulation settings before attaching IBootOptions to the filesystem image.

IBootOptions · AssignBootImage · put_Emulation

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