HRESULT 0xC00D10D9 (NS_E_WMP_FILE_NO

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Description:

It is not possible to determine if this file can fit on a disc because Windows Media Player cannot detect the length of the file. Playing the file before burning might enable the Player to detect the file length.%0

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NS_E_WMP_FILE_DOES_NOT_FIT_ON_CD	NS_E_PDA_FAILED_TO_BURN

NS_E_WMP_FILE_NO_DURATION

Where this result occurs in the Player workflow

NS_E_WMP_FILE_NO_DURATION (0xC00D10D9) marks calculating audio-CD capacity for an item whose duration is unknown. Preserve that boundary even when the visible Player message is broader than the producing operation.

Mechanism

At the checkpoint, windows Media Player builds a burn playlist, refreshes its calculated status and delegates physical recording or erase work to the optical-disc stack; The recorder, inserted medium, burn format, staging files and write engine each have a separate lifecycle. The page-specific boundary is calculating audio-CD capacity for an item whose duration is unknown.

A recorder that enumerates can still be busy, incompatible with the inserted medium or unable to sustain the selected write operation. A representative way to reach this result is that an incomplete or unprobed file enters the audio-CD list with no duration metadata.

State snapshot

Evidence	Why it matters for file no duration
Producing object and operation	recorder unique ID and exclusive-access owner, inserted media profile/state, burn format, playlist item, source locality, duration/byte estimate, staging directory free space, write speed, current IMAPI action and underlying HRESULT
Decisive observation	media item URL, decoder probe result, duration attribute and burn-status refresh time
Generation identity	Record the same disc, device, job or Player operation generation that returned this result; a reconnect or media change creates a different test.
Underlying result	Keep the first device, filesystem, COM, codec, DirectShow, IMAPI or BITS result seen before the Player mapped it to this result.
Controlled comparison	Repeat the producing call after changing only this condition: make the file locally readable and obtain a valid duration before trusting the capacity estimate.

How to interpret the next test

Observation	Interpretation
The recorded values match the boundary	The result is consistent with calculating audio-CD capacity for an item whose duration is unknown; correct that state before changing unrelated codecs, drivers or playlists.
A lower layer failed before this result	Preserve that earlier HRESULT or device result because it may be only the Player-level mapping.
The same call passes after one isolated change	The comparison supports the file no duration diagnosis rather than a broad installation failure.
The code changes after retesting it	The boundary was passed; diagnose the new HRESULT as the next independent stage.

It scopes the failure to calculating audio-CD capacity for an item whose duration is unknown.

Controlled diagnostic sequence

Capture 0xC00D10D9, it, the exact Player/API operation and the first timestamp at which it appears.
Save media item URL, decoder probe result, duration attribute and burn-status refresh time; do this before ejecting media, reconnecting a device, canceling a job or rebuilding the Player object.
correlate the result with recorder unique ID and exclusive-access owner, inserted media profile/state, burn format, playlist item, source locality, duration/byte estimate, staging directory free space, write speed, current IMAPI action and underlying HRESULT.
Reproduce once with the original source and destination, then apply only this change: make the file locally readable and obtain a valid duration before trusting the capacity estimate.
Create a fresh operation generation and verify that the original call advances beyond the file no duration boundary.

Nearby codes with different owners

Related result	Different diagnostic boundary
`NS_E_PDA_FAILED_TO_BURN`	writing a specific burn-list item after playlist preparation
`NS_E_WMP_FILE_DOES_NOT_FIT_ON_CD`	comparing the prepared item size or duration with writable disc capacity
`NS_E_FAILED_DOWNLOAD_ABORT_BURN`	resolving purchased burn-list items that were not successfully downloaded

Focused correction

For this occurrence, make the file locally readable and obtain a valid duration before trusting the capacity estimate. Recreate only the object that produced it and repeat the original operation against the same controlled input.

When verifying it, do not repeatedly start a new burn against a drive that still owns or finalizes the previous session; Capture the media state and recorder owner before ejecting or replacing the disc.

Technical references

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