HRESULT 0xC00D11D9 (NS_E_WMP_BURN_DISC

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Constant name:

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Description:

Some files might not fit on the CD. The required space cannot be calculated accurately because some files might be missing duration information. To ensure the calculation is accurate, play the files that are missing duration information.%0

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NS_E_WMP_DRM_CANNOT_RESTORE	NS_E_WMP_DRM_GENERIC_LICENSE_FAILURE

NS_E_WMP_BURN_DISC_OVERFLOW

Diagnostic meaning beyond the standard message

The actionable meaning of 0xC00D11D9 / NS_E_WMP_BURN_DISC_OVERFLOW is estimating total disc usage when one or more item durations are uncertain. Keep the object generation and lower-level result attached to the result event.

Why the operation can reach this point

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 estimating total disc usage when one or more item durations are uncertain.

A recorder that enumerates can still be busy, incompatible with the inserted medium or unable to sustain the selected write operation. One concrete reproduction is: several unprobed files make the list appear smaller than the eventual audio-CD duration.

Evidence matrix

Evidence	Why it matters for burn disc overflow
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	known and unknown durations, selected disc capacity, conversion estimates and burn format
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: resolve missing durations and reduce the list until the refreshed estimate fits.

Decision matrix

Observation	Interpretation
The recorded values match the boundary	The result is consistent with estimating total disc usage when one or more item durations are uncertain; 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 this result may be only the Player-level mapping.
The same call passes after one isolated change	The comparison supports the burn disc overflow 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 estimating total disc usage when one or more item durations are uncertain.

Minimal experiment

Capture 0xC00D11D9, it, the exact Player/API operation and the first timestamp at which it appears.
Save known and unknown durations, selected disc capacity, conversion estimates and burn format; 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: resolve missing durations and reduce the list until the refreshed estimate fits.
Create a fresh operation generation and verify that the original call advances beyond the burn disc overflow boundary.

Do not collapse it with these results

Related result	Different diagnostic boundary
`NS_E_WMP_CD_STASH_NO_SPACE`	allocating local staging space for files and converted audio before burning
`NS_E_WMP_IMAPI2_ERASE_FAIL`	completing an IMAPI2 erase command on rewritable media
`NS_E_WMP_CD_ANOTHER_USER`	acquiring the optical drive while another user session owns the CD operation

Recovery and verification

Resolve the responsible precondition by ensuring that you resolve missing durations and reduce the list until the refreshed estimate fits. A successful retest must pass the same burn disc overflow checkpoint, not merely hide the message in a different UI path.

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.

Authoritative documentation

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