What does HRESULT 0xC00D120A (NS_E_WMP_LICENSE_REQUIRED) mean?

Status / error code:

Category:

Constant name:

Source:

Facility:

Operating System:

Description:

Windows Media Player cannot play, burn, or sync the file because the media usage rights are missing. If you obtained the file from an online store, sign in to the store, and then try again.%0

Previous	Next
NS_E_WMP_DRM_UNABLE_TO_ACQUIRE_LICENSE	NS_E_WMP_PROTECTED_CONTENT

NS_E_WMP_LICENSE_REQUIRED

Start with the producing object

NS_E_WMP_LICENSE_REQUIRED means the Player found no media usage rights for the requested play, burn or sync action. This result runs inside Windows Media Player rights processing, where the implementation handles the Player layer that opens protected media, queries the local license state, performs silent or interactive rights acquisition, validates DRM components and applies play, burn or sync restrictions.

A useful test is to record the content KID, requested action and whether silent acquisition was attempted.

Practical diagnostic path

Preserve this result and 0xC00D120A before cleanup, fallback or another media item changes the context.
Compare the failure with a known-good case that changes only the property named by this condition: the Player found no media usage rights for the requested play, burn or sync action.
Apply the targeted fix: sign in to the issuing service and acquire rights for that action.
Associate this result with its current Windows Media Player rights processing object and the requested action.
Run the direct check: record the content KID, requested action and whether silent acquisition was attempted.

Relevant runtime state

The important objects are content KID and header, license-store entry, requested action, acquisition URL, user/store context, secure clock and DRM component generation. Evidence should correlate the content KID, requested action, license-state query, acquisition callback sequence, server response category and the first lower-level DRM HRESULT.

That observation distinguishes it from file corruption because the Player found no media usage rights for the requested play, burn or sync action.

One-variable comparison

It should be modeled as a failed precondition, not as an arbitrary media exception. Demonstrate the precondition by choosing to record the content KID, requested action and whether silent acquisition was attempted, and remove it by choosing to sign in to the issuing service and acquire rights for that action. Keeping the result transition intact also shows whether a retry reused stale state or actually reevaluated the corrected input.

Trace requirements

Field	Value
Direct check	record the content KID, requested action and whether silent acquisition was attempted

What another code would mean

Result	Why it points elsewhere
`NS_E_WMP_DRM_LICENSE_NOSAP`	the Player environment cannot provide the Secure Audio Path required by the license
`NS_E_WMP_DRM_UNABLE_TO_ACQUIRE_LICENSE`	the Player could not complete the license-acquisition transaction at this time
`NS_E_WMP_UDRM_NOUSERLIST`	user-scoped DRM cannot verify the activated-user list associated with this computer

Do not diagnose the wrong layer

The Player found no media usage rights for the requested play, burn or sync action.

What success looks like

The appropriate response is to sign in to the issuing service and acquire rights for that action.

Technical references

Looking for a different code? Search another status or error code.