Not available
This answer is no longer available.
Unfortunately this link is long gone and WD Tech has not updated a new KBA article to replace it.
DLNA is still supported through Plex and users should refer to this Plex KBA
Once DLNA is enabled and the Plex library is populated and indexed, the media files should be playable through most smart TV built in media players.
For example, Sony DLNA client
