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TBSIMP_E_INVALID_CONTEXT_PARAM
The TBS context parameters do not satisfy the API contract
TBSIMP_E_INVALID_CONTEXT_PARAM (0x80290203) is configuration/parameter validation for the context itself, before ordinary TPM resource or command errors.
Evidence to capture
Record the complete context-parameter structure, version, flags, reserved fields, size, architecture, and API entry point. Compare byte-for-byte with documented initialization requirements.
Focused correction
Initialize all fields to a supported combination and use the correct structure version/size. If context creation succeeds but resources are unavailable, handle that later result separately.
Technical references
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