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E_IMAPI_DF2TAO_TRACK_LIMIT_REACHED
E_IMAPI_DF2TAO_TRACK_LIMIT_REACHED is returned when another AddAudioTrack would exceed the CD-R/CD-RW maximum of 99 audio tracks. Microsoft documents track numbering from 1 through 99 for the Track-at-Once writer.
Count existing and newly added tracks before writing the next stream
- Read
NumberOfExistingTracksafter preparing the medium. - Track each successful
AddAudioTrack; a failed track does not become a completed track. - If the source contains more than 99 clips, decide whether some should be combined into one audio track before burning.
This error is independent of free sectors. A disc can have enough byte/sector capacity for more audio and still be unable to represent track number 100. Conversely, a disc can hit NOT_ENOUGH_SPACE with far fewer than 99 tracks. Keep the track-count budget and sector-capacity budget as two separate preflight checks.
AddAudioTrack · Track count · IMAPI return values
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