In this post, you’ll learn more about the Error Code 0xC00D28A9 – NS_E_DRM_INVALID_SESSION that is returned when working with the Win32 Windows Media Format 11 SDK
Win32 Windows Media Format 11 SDK Error
0xC00D28A9 – NS_E_DRM_INVALID_SESSION
Win32 Windows Media Format 11 SDK Description
The requested session is invalid.