What does HRESULT 0xC00D14B8 (NS_E_PLAYLIST_ENTRY_NOT_IN_PLAYLIST) mean?

NS_E_PLAYLIST_ENTRY_NOT_IN_PLAYLIST

Mechanism and scope

This result (0xC00D14B8) marks the jump or control target is not a member of the active playlist object. It belongs to the server-side control path, not to a generic local media-player failure.

The WMS playlist parser turns WSX/SMIL or another supported source into an in-memory playlist for a client; entry identity, nesting, current direction and shutdown state matter independently of whether the referenced media file exists. In the trace, save the parser-visible playlist after redirects or dynamic generation. When diagnosing this result, the server acts on the resolved document and in-memory entry identities, not necessarily the text the operator first opened.

Test the owning precondition

1. Capture 0xC00D14B8, this result, the exact API/administrative action and the first failure timestamp.
2. Preserve target entry identity, active playlist generation, insertion/removal events and current child list.
3. Perform one isolated experiment: resolve the target from the active playlist after modifications, or insert it before jumping.

Repeat the test with a newly resolved server object; a stale COM pointer can make a correct configuration appear unchanged.

Code-specific failure anatomy

A representative occurrence is when the jump or control target is not a member of the active playlist object. Capture target entry identity, active playlist generation, insertion/removal events and current child list together with the object instance and the exact administrative or protocol request.

For a useful negative control, resolve the target from the active playlist after modifications, or insert it before jumping.

The tempting but misleading response is using an entry object retained from a previous client or playlist generation. That action does not test the distinction that matters here: already playing means the entry is present and current; not in playlist means membership is missing.

Evidence that separates this code

Changes that do not establish the cause

• using an entry object retained from a previous client or playlist generation.
• a successful ping or local file open is not sufficient proof: the failing service account and Windows Media Services object must perform the same operation.

Comparison with adjacent states

Primary distinction: already playing means the entry is present and current; not in playlist means membership is missing.

Technical references

• Server-Side Playlists
• System Playlist Parser Plug-ins
• Programming Playlists
• Microsoft HRESULT registry