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NS_E_WMP_NO_DISK_SPACE
Diagnosing NS_E_WMP_NO_DISK_SPACE in the Windows Media Player playback path
NS_E_WMP_NO_DISK_SPACE (0xC00D1195) is returned when a Player operation requiring local storage failed its free-space or allocation check.
Trace path or URL resolution, proxy and network selection, parser and codec discovery, graph construction, rendering and optional DRM as separate layers. This result identifies a narrower stage than the dialog text exposes, so preserve its operation before trying a workaround. In this case the rejected checkpoint is a Player operation requiring local storage failed its free-space or allocation check.
Playback boundary
AllStat already supplies the standard user-facing description for this HRESULT; this custom block instead isolates the additional technical boundary. Earlier success in file lookup, network connection, parser creation or graph construction does not prove that the later the operation is valid.
Case-specific checkpoint: target volume, required and available bytes, quota, temp directory, sparse/compressed state and operation type. The controlled comparison for this HRESULT is: redirect the operation to a volume with measured headroom and repeat with the same media item.
Closest distinction: NS_E_WMP_OUTOFMEMORY concerns process or commit memory, not persistent storage capacity.
Capture the first failing layer
| Capture | Why it matters for this HRESULT |
|---|---|
| Object or resource | target volume, required and available bytes, quota, temp directory, sparse/compressed state and operation type |
| State snapshot | Record the Player openState/playState or operation phase, object identity and exact timestamp when this result was returned. |
| First lower result | Keep the earliest Win32, Winsock, COM, parser, codec, DRM or device result that appears before this result. |
| Comparison record | Use one known-good case that follows the same API, protocol and component path while changing only the rejected precondition. |
Controlled playback comparison
- Freeze the current object state and collect target volume, required and available bytes, quota, temp directory, sparse/compressed state and operation type.
- Reproduce this result once without automatic retries or fallback applications.
- Change only one precondition: redirect the operation to a volume with measured headroom and repeat with the same media item.
- compare the first nested status and next Player event with the failed run.
- After testing it, restore the original configuration if the change was diagnostic only.
How to interpret the retest
| Retest outcome | Interpretation |
|---|---|
| Same it on the same object | The governing state or value is unchanged, or the caller is reusing an object created before the relevant change. |
| Fresh object succeeds | Lifetime, cached configuration or stale playlist/graph state contributed to it. |
| A later HRESULT appears | The rejected condition — a Player operation requiring local storage failed its free-space or allocation check — was cleared for this HRESULT; diagnose the new code at its own layer. |
| Only one item or endpoint fails for this HRESULT | The evidence favors resource-specific data, rights, routing or device state rather than a global Player failure. |
Actions that obscure the cause
- deleting library metadata while the target volume remains full.
- Do not discard the first occurrence by repeatedly invoking Play, open, save or retry; later events can replace its original state.
- do not publish credentials, private URLs, license material or complete protected-content headers; retain only redacted identifiers, lengths, hashes and protocol fields.
Technical references
- Supported protocols and file types
- Using Windows Media in DirectShow
- Working with codecs
- DirectShow filters
- Microsoft HRESULT registry
After it, a different downstream HRESULT is progress and should be recorded as a separate condition.
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