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E_IMAPI_RECORDER_MEDIA_BUSY
A recorder can remain busy while it finishes a write or performs another operation that prevents new commands. Microsoft notes that the drive may be unusable for a long period. This is broader than the format-in-progress code and should be treated as device-operation state.
Correlate the busy state with the preceding recorder action
- Keep the previous write/erase/format operation and its completion result in the log.
- Avoid aggressive retries; wait and poll with a bounded interval.
- If the state never clears, investigate device recovery and the last command rather than the new request.
When a synchronous Write returns, application code may assume the drive is instantly available for every subsequent operation. Recorder firmware can still be finalizing media. Preserve that temporal context. If busy follows an unexpected drive response, do not hide the earlier error by reporting only the later busy status.
IMAPI return values · IDiscRecorder2 · IDiscFormat2Data::Write
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