HRESULT 0xC00D132C (NS_E_CURL_INVALIDPORT): meaning and diagnosis

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The URL port is not valid.%0

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NS_E_CURL_CANTWALK	NS_E_CURLHELPER_NOTADIRECTORY

NS_E_CURL_INVALIDPORT

`NS_E_CURL_INVALIDPORT`: evidence, boundary and retest

The useful reading of NS_E_CURL_INVALIDPORT (0xC00D132C) is not “media failed” but the authority contains an invalid or out-of-range port component. This places the failure at the invalidport URL check and narrows the evidence to collect before another attempt changes state.

Before any socket is opened, the player decomposes a URL into scheme, authority, host, port, path and escaped data before closing the invalidport incident. It may also combine a relative reference with a base URL or convert a file URL into a path; each operation has a different validity rule in the invalidport diagnostic record. In the case of NS_E_CURL_INVALIDPORT, preserve the earliest lower-level result because wrappers can map several different causes to the same HRESULT when isolating the invalidport case.

Preserve the raw and parsed URL

Capture	Why it separates `NS_E_CURL_INVALIDPORT`
Owning call	Record the API method, object identity, thread or callback and timestamp for the invalidport URL check.
Decisive values	the original unmodified string, character count, encoding, base URL if any, parsed scheme, host, port and path, plus required and supplied output-buffer lengths while tracing the invalidport path.
Object generation	Note when the reader, writer, graph, URL object, streaming session or metadata provider was created; stale state can reproduce `NS_E_CURL_INVALIDPORT` after configuration has changed.
First nested result	Keep the earliest codec, COM, socket, DNS, parser or provider status before `NS_E_CURL_INVALIDPORT`; later UI messages are less specific.
Comparison case	Use one known-good resource that exercises the same the invalidport URL check while changing only the rejected precondition.

Failure anatomy

The invalidport url check is reached when the authority contains an invalid or out-of-range port component. The caller must not assume that the next filter, packet, session or metadata state exists after NS_E_CURL_INVALIDPORT.

Use remove the explicit port to use the scheme default, then retry with one decimal port in the valid range as the negative control at the invalidport checkpoint. A later HRESULT means this checkpoint was cleared and the new result belongs to a different stage while tracing the invalidport path.

Nearby results are not interchangeable

Main distinction: port syntax is rejected before any TCP connection or proxy timeout can occur during a controlled invalidport retest.

Nearby HRESULT	How to compare it
`NS_E_CURL_INVALIDURL`	Compare the owning API and first rejected value; it belongs to a neighboring checkpoint, not automatically to the same cause as `NS_E_CURL_INVALIDPORT`.
`NS_E_CURL_CANTWALK`	Use object state and operation order to decide which code is authoritative when both appear in one trace before closing the invalidport incident.
`NS_E_CURLHELPER_NOTADIRECTORY`	Retain this result separately if it appears only after the `NS_E_CURL_INVALIDPORT` condition has cleared.

One-component URL experiment

Log 0xC00D132C, NS_E_CURL_INVALIDPORT, the exact operation and the first failure time when isolating the invalidport case.
Preserve the original unmodified string, character count, encoding, base URL if any, parsed scheme, host, port and path, plus required and supplied output-buffer lengths at the invalidport checkpoint.
Do not reuse a graph, session, reader or metadata object created before the relevant configuration or resource changed while tracing the invalidport path.
Perform one isolated test: remove the explicit port to use the scheme default, then retry with one decimal port in the valid range during a controlled invalidport retest.
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 invalidport URL check is fixed.
Confirm the expected next state and retain any new HRESULT as a separate downstream result before closing the invalidport incident.

What the parser result proves

Retest result	Interpretation for `NS_E_CURL_INVALIDPORT`
The identical call still returns the code	The values governing the invalidport URL check are unchanged, or the caller is still using an older object generation.
A fresh object succeeds	Lifetime or cached state contributed to `NS_E_CURL_INVALIDPORT`; correct object recreation instead of applying a machine-wide workaround when isolating the invalidport case.
The call advances to another HRESULT	The the invalidport URL check boundary was cleared. Diagnose the new code at its own format, graph, URL, network or metadata stage while tracing the invalidport path.
Only one resource fails	The evidence favors content, URL, publishing point, stream, attribute or object-specific state rather than a global outage during a controlled invalidport retest.

Misleading actions

blindly decoding and re-encoding the whole URL, which can change reserved delimiters and resource identity for evidence about invalidport.
Do not erase the first NS_E_CURL_INVALIDPORT occurrence by repeatedly retrying; callbacks and reconnects can replace the useful state with a later wrapper error before closing the invalidport incident.
Do not publish credentials, protected-content material or complete private URLs in the invalidport diagnostic record. Record redacted identifiers, lengths, hashes and protocol fields needed to reproduce the invalidport URL check.

Technical references

Treat NS_E_CURL_INVALIDPORT as resolved only when the same API path crosses this checkpoint; success through a different player or cached copy is merely supporting evidence at the invalidport checkpoint.

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