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OSS_API_DLL_NOT_LINKED
OSS_API_DLL_NOT_LINKED (0x80093029) is an OSS ASN.1 runtime result for OSS API DLL absent. The legacy runtime expects its API component as a dynamic module, but Windows loader resolution does not provide a compatible DLL. Because requested DLL name and search result 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 bitness, file version, and dependent modules, then separate the encoded value from generated artifacts, call arguments, and the runtime package actually loaded by the process.
Locate the failing codec stage
At the OSS API 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 packaging layout on the failing machine; otherwise an outer certificate or security wrapper may hide the useful codec result behind a generic failure.
Evidence worth preserving
- requested DLL name and search result
- bitness, file version, and dependent modules
- packaging layout on the failing machine
A controlled way to reproduce it
- Capture loader snaps in a test environment
- launch from a clean directory and explicit package
- remove duplicate old runtime DLLs from PATH
What not to confuse it with: the result
Registration changes do not fix an ordinary missing or incompatible DLL unless the product explicitly uses COM registration.
Instrumentation
Where requested DLL name and search result can expose sensitive content, a hash plus a bounded structural excerpt is safer than the complete payload. Use bitness, file version, and dependent modules together with OSS module paths and versions logged once per process so packaging differences can be correlated without flooding normal diagnostics.
Exit criteria: the result
Package one compatible runtime set and verify the loaded file paths at application start.
Technical references
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