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NS_E_DRM_BUFFER_TOO_SMALL
The exact DRM condition
NS_E_DRM_BUFFER_TOO_SMALL is Windows Media DRM HRESULT 0xC00D275C. It identifies the caller-supplied output buffer cannot hold the requested DRM value. The useful scope is the application-facing layer that initializes DRM support, validates parameters and properties, creates specialized objects, and delivers asynchronous status to the caller; it is not a generic statement that the media player, network or file system failed.
Record requested property, supplied length and returned required size.
The surrounding protocol and store state
The DRM client exposes different objects for license management, individualization, encryption, backup, metering and device registration; failure to create one object does not prove that all DRM state is damaged. Many operations are asynchronous and stateful, so object lifetime and completion ordering are part of the API contract.
Evidence worth preserving
- Protected identity: SDK/runtime version and linked DRM stub library.
- Operation state: property name, type, size and initialization order.
- Persistence or transport: operation state, callback sequence and cancellation owner.
- Security context: first inner HRESULT before an application replaces it with a generic error.
- Correlation point: exact interface method and object type being created.
Related codes and the diagnostic split
| Result | Different condition |
|---|---|
NS_E_DRM_UNABLE_TO_CREATE_STATE_DATA_OBJECT | The DRM runtime cannot create the state-data object required for this operation. |
NS_E_DRM_UNSUPPORTED_PROPERTY | The selected DRM object or version does not implement the requested property. |
NS_E_DRM_STORE_NOTALLSTORED | Some of the licenses could not be stored in the Windows Media DRM client |
Diagnostic sequence
- Prove the boundary by ensuring you can record requested property, supplied length and returned required size.
- After you allocate the reported size and repeat the read without changing object state, verify both the requested right and the final store/device state.
Correcting the producing condition
Resolve the underlying condition directly: allocate the reported size and repeat the read without changing object state. A player reinstall, reboot or new license request is useful only when it changes the condition “buffer too small” and can be verified against the original evidence.
Representative case: A certificate or string query is called with a fixed buffer smaller than the current value.
Actions that do not prove a fix
- Avoid replacing the DRM HRESULT with a generic application exception before telemetry records it.
- Avoid retrying object creation in a loop without preserving the first HRESULT and runtime versions.
Regression check
Repeat the operation that originally returned it. Assert the exact HRESULT at the producing API in the failing “buffer too small” fixture; then change only the relevant precondition and confirm that the corrected run completes without substituting a neighboring DRM result. After correcting it, verify the requested action and the final license-store, secure-clock, device or migration state relevant to “buffer too small”.
Code-specific operational note
The user-facing message “The buffer supplied is not sufficient.” describes the visible condition but does not identify the producing API, object instance, or protected identity by itself.
Technical references
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