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OSS_CONSTRAINT_DLL_NOT_LINKED
OSS_CONSTRAINT_DLL_NOT_LINKED (0x80093023) is an OSS ASN.1 runtime result for constraint-checker DLL absent. The optional module that evaluates generated ASN.1 constraints is unavailable when the application invokes constraint checking. Because constraint API and target type is central to this condition, Microsoft’s HRESULT range and the OSS Nokalva return-code documentation should be read together. Start the investigation by recording module load result and link configuration, then separate the encoded value from generated artifacts, call arguments, and the runtime package actually loaded by the process.
Interpretation at runtime
At the constraint-checker DLL absent boundary, capture the first OSS function returning the value and note whether the operation was encode, decode, copy, compare, constraint validation, or trace setup. Preserve the selected PDU, encoding rules, and whether encoding was expected to enforce the same checks; otherwise an outer certificate or security wrapper may hide the useful codec result behind a generic failure.
Diagnostic record
- constraint API and target type
- module load result and link configuration
- whether encoding was expected to enforce the same checks
Small experiments with high signal
- call the checker on one known-invalid boundary value
- Inspect compiler options that emit constraint support
- Verify the module version matches generated tables
Avoid the wrong workaround: the result
Skipping constraint checks can allow values that later encode incorrectly or violate the receiving protocol; it is not equivalent to success.
Instrumentation
Where constraint API and target type can expose sensitive content, a hash plus a bounded structural excerpt is safer than the complete payload. Use module load result and link configuration together with OSS module paths and versions logged once per process so packaging differences can be correlated without flooding normal diagnostics.
Proof of recovery: the result
Include the checker component and keep a negative corpus for range, size, alphabet, and presence constraints.
Technical references
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