BlackBerry Attachment Service known issues
In certain circumstances, the BlackBerry® device does not display a Microsoft® PowerPoint® document correctly. (DT 91523, SDR 336357)
In a Windows Server® 2008 environment, the BlackBerry Attachment Service does not support .mp3 audio files on devices. In this environment, the BlackBerry Attachment Service does not support any audio file formats on BlackBerry® 7100 Series Series devices. (SDR 270220)
Workaround: Host the BlackBerry Attachment Service on a computer that uses Windows Server 2003 if you want the BlackBerry Attachment Service to support .mp3 audio files on BlackBerry devices and all audio formats on BlackBerry 7100 Series devices that support CDMA networks.
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BlackBerry Administration Service known issues