The BBC confirms that Microsoft’s Zune platform and its “Plays for Sure” platform will be incompatible:
Microsoft has said it will stop selling music from MSN music from 14 November, when Zune goes on sale in the US.
But in a move that could alienate some customers, MSN-bought tracks will not be compatible with the new gadget.
The move could also spell problems for the makers of MP3 players which are built to work with the MSN store.
The problem has arisen because tracks from the MSN Music site are compatible with the specifications of the Plays For Sure initiative.
This was intended to re-assure consumers as it guaranteed that music bought from services backing it would work with players that supported it. MSN Music, Napster, AOL Music Now and Urge all backed Plays For Sure as did many players from hardware makers such as Archos, Creative, Dell and Iriver.
In a statement a Microsoft spokesperson said: “Since Zune is a separate offering that is not part of the Plays For Sure ecosystem, Zune content is not supported on Plays For Sure devices.”