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NS_E_INVALID_QUERY_PROPERTY
Diagnosing NS_E_INVALID_QUERY_PROPERTY in the Windows Media pipeline
This result (0xC00D32D0) is returned at the metadata query references a property outside the searchable schema. It identifies the failing metadata operation, so troubleshooting should begin with the object and operation that own that checkpoint rather than with a broad player reset.
Where the failure occurs
At that metadata stage, the component has already accepted the earlier prerequisites but cannot cross the boundary described as the metadata query references a property outside the searchable schema. That distinction matters: success in opening the file, resolving the host or creating a COM object does not prove that this later operation is valid before retrying.
Attribute, schema and locale evidence
| Capture | Why it matters |
|---|---|
| Owning call | Record the API method, object identity, thread or callback and timestamp for the reported boundary. |
| Decisive values | Provider and schema identifiers, table or class name, query property, operator, key type, input value and the provider diagnostic returned before this HRESULT. |
| Object generation | Note when the reader, writer, graph, URL object, streaming session or metadata provider was created; stale state can reproduce this result after configuration has changed. |
| First nested result | Keep the earliest codec, COM, socket, DNS, parser or provider status before this result; later UI messages are less specific. |
| Comparison case | Use one known-good resource that exercises the same metadata check while changing only the rejected precondition. |
Read-only metadata experiment
- Log
0xC00D32D0, it, the exact operation and the first failure time when isolating this failure. - Preserve provider and schema identifiers, table or class name, query property, operator, key type, input value and the provider diagnostic returned before this HRESULT at this checkpoint.
- Do not reuse a graph, session, reader or metadata object created before the relevant configuration or resource changed.
- Perform one isolated test: enumerate the provider schema, issue the smallest valid query, and add the disputed key, property or operator only after that query succeeds.
- Repeat through the same API and protocol path; a different player or local-copy test is useful only as a comparison, not as proof that the metadata operation is fixed.
- Confirm the expected next state and retain any new HRESULT as a separate downstream result before retrying.
Interpret the provider response
| Retest result | Interpretation |
|---|---|
| The identical call still returns the code | The values governing the original request are unchanged, or the caller is still using an older object generation. |
| A fresh object succeeds | Lifetime or cached state contributed to it; correct object recreation instead of applying a machine-wide workaround when isolating this failure. |
| The call advances to another HRESULT | the recorded metadata state boundary was cleared. Diagnose the new code at its own format, graph, URL, network or metadata stage. |
| Only one resource fails | The evidence favors content, URL, publishing point, stream, attribute or object-specific state rather than a global outage. |
Nearby results are not interchangeable
Main distinction: metadata lookup, schema validation and edit capability are separate checkpoints even when the same attribute is involved for this diagnosis.
| Nearby HRESULT | How to compare it |
|---|---|
NS_E_TABLE_KEY_NOT_FOUND | The metadata table does not contain the requested key |
NS_E_INVALID_QUERY_OPERATOR | The metadata query uses an operator not accepted by the schema |
NS_E_PROPERTY_NOT_SUPPORTED | The metadata provider rejected this operation checkpoint |
Misleading actions
- Deleting metadata caches or tags before preserving the provider, attribute key, type and locale that produced the result at this checkpoint.
- Do not erase the first occurrence by repeatedly retrying; callbacks and reconnects can replace the useful state with a later wrapper error.
- Do not publish credentials, protected-content material or complete private URLs. Record redacted identifiers, lengths, hashes and protocol fields needed to reproduce the original boundary.
Technical references
- Windows Media metadata features
- Retrieving metadata attributes
- Setting metadata attributes
- Metadata editor object
- Microsoft HRESULT registry
Close the incident only after the original the operation succeeds on a current object and the expected next state is observed before retrying.
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