What does NTSTATUS 0xC0290049 (STATUS_TPM_NOOPERATOR) mean?

STATUS_TPM_NOOPERATOR

STATUS_TPM_NOOPERATOR is a Windows NTSTATUS value in the TPM facility. For STATUS_TPM_NOOPERATOR, it belongs to the TPM 1.2 error family and is normally surfaced through the Windows TPM stack, such as TPM Base Services, rather than by ordinary file, registry or network APIs.

TPM 1.2 has an operator authorization concept for selected administrative operations. This status means the command requires operator AuthData but the TPM does not currently have an operator value set.

This is different from supplying the wrong authorization value. The TPM state itself lacks the operator credential needed for that command class.

Diagnostic focus

• Check whether the operation requires owner authorization, operator authorization or object authorization.
• Query/provision operator state according to the platform-management workflow before the command is attempted.
• Do not substitute SRK or owner authorization unless the command explicitly accepts that authority.

References for STATUS_TPM_NOOPERATOR

• TCG: TPM 1.2 Main Specification
• Microsoft: TPM Base Services
• Microsoft: NTSTATUS values

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