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E_IMAPI_DF2DATA_STREAM_TOO_LARGE_FOR_CURRENT_MEDIA
E_IMAPI_DF2DATA_STREAM_TOO_LARGE_FOR_CURRENT_MEDIA means the stream accepted for a data write cannot fit on the current medium. IDiscFormat2Data exposes total sectors, free sectors and the next writable address so applications can compare the image with the actual media state before calling Write.
Compare image sectors with current-media capacity
- Measure the stream in 2048-byte sectors after confirming sector alignment.
- Read
FreeSectorsOnMediafor incremental writing and recordNextWritableAddress. - Recompute the values after changing media; capacity and existing sessions are properties of the inserted disc.
Do not diagnose this as an unsupported stream format. The stream may be perfectly valid but too large for the current disc or remaining appendable area. Reducing write speed does not change capacity. Appropriate responses are to reduce image content, choose larger compatible media, or rebuild the image/session plan against the actual free-sector budget exposed by IMAPI.
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