windows 2003 p2v converter.fault.ManagedDiskOpenFault

2013-12-30T18:32:22.820+08:00 [03632 error 'Default'] [task,350] [LRO] Unexpected Exception: converter.fault.ManagedDiskOpenFault

2013-12-30T18:32:22.820+08:00 [03632 info 'Default'] [task,379] [task-5] -- ERROR -- Convert: converter.fault.ManagedDiskOpenFault

--> (converter.fault.ManagedDiskOpenFault) {

-->    dynamicType = <unset>,

-->    faultCause = (vmodl.MethodFault) null,

-->    msg = "",

--> }