NTSTATUS 0xC0290005 (STATUS_TPM_CLEAR

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A TPM clear request is blocked by a state that requires an approved physical-presence path.

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STATUS_TPM_AUDITFAILURE	STATUS_TPM_DEACTIVATED

STATUS_TPM_CLEAR_DISABLED

Why TPM clear is a special operation

STATUS_TPM_CLEAR_DISABLED belongs to the TPM 1.2 state vocabulary. It means that a clear operation is not available through the current authorization path. It is different from an ordinary access failure: clearing changes long-lived TPM state and can remove keys and owner authorization held by the module.

On a Windows PC, a clear request can be routed through the firmware-backed Physical Presence Interface (PPI). A command such as Clear-Tpm is therefore not a harmless retry mechanism for an application failure. First identify which protector, virtual smart-card, Windows Hello credential, BitLocker key protector, attestation enrollment, or management workflow depends on the TPM.

What to establish before changing state

Capture Get-Tpm output and the platform firmware version before requesting a state change.
Preserve recovery material for TPM-backed features before a clear request; clearing cannot be undone by re-enabling the module.
Determine whether the platform requires PPI confirmation at reboot instead of trying to bypass the firmware decision.

References

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