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OSS_BERDER_DLL_NOT_LINKED
OSS_BERDER_DLL_NOT_LINKED (0x8009302A) is an OSS ASN.1 runtime result for BER/DER codec DLL absent. Encoding or decoding selects BER or DER, but the dynamic component implementing those rules is missing from the runtime package. Because selected encoding rule 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 BER/DER module load error and architecture, then separate the encoded value from generated artifacts, call arguments, and the runtime package actually loaded by the process.
Neighboring statuses: OSS_BERDER_DLL_NOT_LINKED
BER and DER are related but not interchangeable in every profile: DER adds canonical restrictions used by certificates and signatures.
What the return code narrows down
At the BER/DER codec 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 generated code version paired with the module; otherwise an outer certificate or security wrapper may hide the useful codec result behind a generic failure.
Test one variable at a time
- decode a tiny definite-length DER sequence after packaging
- inspect loader dependencies
- verify the application did not deploy only PER support
Build a useful capture
| Record | Diagnostic value |
|---|---|
| selected encoding rule | Locates the concrete message, allocation, module, or API boundary |
| BER/DER module load error and architecture | Separates payload-dependent behavior from build and process state |
| generated code version paired with the module | Makes the comparison reproducible without rewriting the original artifact |
Keep the original bytes or object graph unchanged while testing decode a tiny definite-length DER sequence after packaging. A change in BER/DER module load error and architecture after reload, plugin replacement, restart, or schema deployment is evidence about runtime state, not permission to discard the reproducer. When generated code version paired with the module points to one message, retain a cryptographic hash and the smallest safe sample instead of logging certificate, subscriber, credential, or private-key material.
Decision matrix
| Controlled observation | Conclusion it supports |
|---|---|
| decode a tiny definite-length DER sequence after packaging | A changed outcome isolates the first proposed control instead of a blind retry |
| selected encoding rule differs between success and failure | The difference localizes the BER/DER codec DLL absent boundary before unrelated settings are changed |
| An independent decoder accepts the same artifact | Inspect generated schema, selected rules, ABI, and optional OSS modules before declaring the bytes invalid |
| A fresh control object changes the outcome | Investigate initialization, lifecycle, allocator ownership, configuration mutation, and concurrent access |
Instrumentation
Record the full 32-bit HRESULT and lower OSS return number together with operation direction, symbolic PDU, encoding rule, byte count, and generated-table identifier. Where selected encoding rule can expose sensitive content, a hash plus a bounded structural excerpt is safer than the complete payload. Use BER/DER module load error and architecture together with OSS module paths and versions logged once per process so packaging differences can be correlated without flooding normal diagnostics.
Verify the repair: the result
Install the matching BER/DER module and validate canonical output where the protocol requires DER. A recovery test built around decode a tiny definite-length DER sequence after packaging should replay the same operation under the same schema and encoding rule, retain one deliberately invalid control, and verify ownership and cleanup after both outcomes. Success after an unexamined retry is not proof that selected encoding rule now satisfies the codec contract.
Technical references
- Microsoft: OSS ASN.1 HRESULT definitions
- OSS Nokalva: encoder/decoder return codes
- OSS Nokalva: runtime functions and control initialization
- Relevant ASN.1 specification or runtime detail
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