TPMAPI_E_INVALID_CONTEXT_PARAMS: meaning and diagnosis

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TPMAPI_E_INVALID_CONTEXT_PARAMS means the TPM Base Services API received invalid parameters while creating or using a TPM context.

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TPMAPI_E_INVALID_CONTEXT_PARAMS

TPMAPI_E_INVALID_CONTEXT_PARAMS is a Windows TPM API result. It indicates that one or more parameters used to create or configure a TPM context are unsupported or inconsistent.

What to check for TPMAPI_E_INVALID_CONTEXT_PARAMS

Initialize the context with documented defaults and add optional parameters one at a time.
Check pointer, buffer length, flag, and version fields for mutually incompatible combinations.
Ensure context parameters match the TPM API version available on the target Windows installation.

Microsoft documentation for TPMAPI error codes

Diagnostic discriminator: Inspect the fields and flags used to create or configure the TPM API context. This result means those context parameters are unsupported or internally inconsistent.

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