What does HRESULT 0xC00D272E (NS_E_BACKUP_RESTORE_BAD_REQUEST_ID) mean?

NS_E_BACKUP_RESTORE_BAD_REQUEST_ID

What this HRESULT isolates

The symbolic result NS_E_BACKUP_RESTORE_BAD_REQUEST_ID narrows 0xC00D272E to license backup, restore and anti-abuse state, in the backup restore bad request id path. In practical terms, the backup/restore service cannot correlate the supplied request identifier with an active operation; the producing layer is the backup/restore workflow that enumerates eligible licenses, writes a backup set, sends restoration requests to the license-management service and reconciles restored state with the target machine, while tracing backup restore bad request id.

For NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, the built-in message summarizes the user-visible outcome, while the symbolic phrase “backup restore bad request id” preserves the exact WMDRM boundary for diagnosis. For this code, the proof step is to record request ID creation, persistence and the exact service response that issued it, for the backup restore bad request id boundary.

Which component owns the failure

Do not flatten NS_E_BACKUP_RESTORE_BAD_REQUEST_ID into a generic DRM error, during backup restore bad request id diagnosis. Only licenses carrying the backup/restore right are eligible, and licenses with secure state can be intentionally excluded by the issuer, in a backup restore bad request id incident. The second relevant rule is that backup and restore are multi-stage asynchronous operations; one damaged member or a stale request identifier is not equivalent to an unavailable service, for this backup restore bad request id result.

Diagnostic inputs that separate the causes

Capture the first NS_E_BACKUP_RESTORE_BAD_REQUEST_ID occurrence before automatic retry, player teardown, store repair or license reacquisition changes the state, when reproducing backup restore bad request id. The smallest useful record contains:

• Code-specific proof: record request ID creation, persistence and the exact service response that issued it, within the backup restore bad request id workflow.
• Protected identity: per-license backup/restore eligibility, in the backup restore bad request id path.
• Operation state: service response, reset count and daily restore limit, while tracing backup restore bad request id.
• Persistence or transport: target machine identity and final license-store commit, for the backup restore bad request id boundary.
• Security context: backup or restore operation ID, during backup restore bad request id diagnosis.
• Correlation point: backup directory contents and manifest consistency, in a backup restore bad request id incident.

For the “backup restore bad request id” investigation, use KIDs, license IDs, hashes, certificate thumbprints, sizes and timestamps where possible. While diagnosing NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, do not place content keys, complete license blobs, passwords, cookies or decrypted media in ordinary logs, for this backup restore bad request id result.

How to prove the condition

1. Start from 0xC00D272E and map it to the first WMDRM object that returned it, when reproducing backup restore bad request id.
2. For NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, separate content/header evidence, license evidence, machine/device evidence and service/network evidence around “backup restore bad request id”.
3. Before retrying NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, check whether another “backup restore bad request id” operation was active or whether the previous result may have committed partially.
4. For NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, record request ID creation, persistence and the exact service response that issued it, within the backup restore bad request id workflow.
5. Apply the smallest supported fix: restart the workflow and use the identifier returned for that generation; avoid resetting unrelated protected state, in the backup restore bad request id path.

What a supported fix should change

The supported response to NS_E_BACKUP_RESTORE_BAD_REQUEST_ID is narrow: restart the workflow and use the identifier returned for that generation, while tracing backup restore bad request id. After correcting NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, reopen or recreate the object that owned “backup restore bad request id” so cached state from the failed generation is not mistaken for the repair result.

Representative case: A stale request ID from an earlier restore is reused after restart, for the backup restore bad request id boundary.

Do not merge these HRESULTs

Several values can accompany the “backup restore bad request id” condition in one incident. Order the NS_E_BACKUP_RESTORE_BAD_REQUEST_ID event chain by timestamp and prefer the first code produced at the lowest specific boundary over a later player-level summary, while tracing backup restore bad request id.

How to know the fix is real

A valid regression for NS_E_BACKUP_RESTORE_BAD_REQUEST_ID has two fixtures: one that deliberately produces “the backup/restore service cannot correlate the supplied request identifier with an active operation” and one that applies the targeted correction, for the backup restore bad request id boundary. For NS_E_BACKUP_RESTORE_BAD_REQUEST_ID, compare callback order, selected license/KID, final rights decision and persistence state; disappearance of the “backup restore bad request id” dialog alone is not proof.

Code-specific operational note

The symbolic phrase “backup restore bad request id” is the important search and telemetry key for NS_E_BACKUP_RESTORE_BAD_REQUEST_ID. Keep it beside the exact value 0xC00D272E; the official message “Bad Request ID in Backup-Restore, during backup restore bad request id diagnosis.” is useful to users, but it does not identify the producing API, object generation or protected identity on its own, in a backup restore bad request id incident.

Technical references

• Backing up and restoring licenses — official Windows Media DRM context for NS_E_BACKUP_RESTORE_BAD_REQUEST_ID.
• Backup/restore model and eligibility — API and state rules relevant to this NS_E_BACKUP_RESTORE_BAD_REQUEST_ID boundary.
• DRM client interfaces — platform documentation used to distinguish NS_E_BACKUP_RESTORE_BAD_REQUEST_ID from adjacent results.
• DRM client structures — official Windows Media DRM context for NS_E_BACKUP_RESTORE_BAD_REQUEST_ID.

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