HRESULT 0xC00D1137 (NS_E_WMPBR_DRIVE

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Description:

Windows Media Player cannot restore your media usage rights from the specified location. Choose another location, and then try again.%0

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NS_E_WMPBR_NAMECOLLISION	NS_E_WMPBR_BACKUPRESTOREFAILED

NS_E_WMPBR_DRIVE_INVALID

Diagnosing NS_E_WMPBR_DRIVE_INVALID during Windows Media rights backup or connectivity

NS_E_WMPBR_DRIVE_INVALID (0xC00D1137) is returned when the selected backup/restore location is not an acceptable accessible volume for this operation.

Preserve one asynchronous operation record containing the selected path, event listener, network resource and license-store status. Record what the Player had already completed because later retries often replace the original evidence. The specific rejected condition is the selected backup/restore location is not an acceptable accessible volume for this operation.

Backup/restore boundary

AllStat already supplies the standard user-facing description for this HRESULT; this custom block instead isolates the additional technical boundary. Earlier success in file lookup, network connection, parser creation or graph construction does not prove that the later the operation is valid.

Case-specific checkpoint: drive type, mount state, free space, path syntax, access token and whether the source files are present. The controlled comparison for this HRESULT is: copy the complete backup set to a local writable directory and retry from that unchanged set.

Closest distinction: NS_E_WMPBR_NAMECOLLISION concerns a valid destination containing conflicting names.

Preserve the operation record

Capture	Why it matters for this HRESULT
Object or resource	drive type, mount state, free space, path syntax, access token and whether the source files are present
State snapshot	Record the Player openState/playState or operation phase, object identity and exact timestamp when this result was returned.
First lower result	Keep the earliest Win32, Winsock, COM, parser, codec, DRM or device result that appears before this result.
Comparison record	Use one known-good case that follows the same API, protocol and component path while changing only the rejected precondition.

Safe controlled retry

Start from the original call and log 0xC00D1137 together with its object and operation phase.
Collect drive type, mount state, free space, path syntax, access token and whether the source files are present before changing the machine.
Use this single-variable test: copy the complete backup set to a local writable directory and retry from that unchanged set.
repeat on a fresh object if the original predates a configuration, device or resource change.
validate the expected next operation, not just initial open or object creation.

Interpreting completion

Retest outcome	Interpretation
Same this result on the same object	The governing state or value is unchanged, or the caller is reusing an object created before the relevant change.
Fresh object succeeds	Lifetime, cached configuration or stale playlist/graph state contributed to this result.
A later HRESULT appears	The rejected condition — the selected backup/restore location is not an acceptable accessible volume for this operation — was cleared for this HRESULT; diagnose the new code at its own layer.
Only one item or endpoint fails for this HRESULT	The evidence favors resource-specific data, rights, routing or device state rather than a global Player failure.

Actions that obscure the cause

pointing the restore operation at a single license file instead of the backup root.
Do not discard the first occurrence by repeatedly invoking Play, open, save or retry; later events can replace its original state.
do not publish credentials, private URLs, license material or complete protected-content headers; retain only redacted identifiers, lengths, hashes and protocol fields.

Technical references

Retain before-and-after evidence for this HRESULT so object recreation or content replacement is not mistaken for random retry success.

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