安装ESXI4.1时候出现这个问题

在安装ESXI4.1的时候出现这个问题，请问有人遇见过么，能解决么·？？？
Traceback (most recent call last):
  File "ThinESX.py", line 8, in module Installer.Start
  File "/usr/lib/vmware/installer/Core/Log.py", line 46, in wrapper return func(*args, **kwargs)
  File "/usr/lib/vmware/installer/ThinESXInstall.py", line 38, in Start Install.Start(self, data)
  File "/usr/lib/vmware/installer/Core/Log.py", line 46, in wrapper return func(*args, **kwargs)
  File "/usr/lib/vmware/installer/Core/Install.py", line 40, in Start data = self.Steps\[self._Dispacher.CurrentStep\](data)
  File "/usr/lib/vmware/installer/Core/Log.py", line 46, in wrapper return func(*args, **kwargs)
  File "/usr/lib/vmware/installer/ThinESX/ThinESXInstallerSteps.py", line 70, in TargetSelectionStep datastores = DatastoreEnumeration(None)
  File "/usr/lib/vmware/installer/Core/DatastoreEnumeration.py", line 15, in __init__ vmfs3Module.Load()
  File "/lib/python2.5/vmkctl.py", line 11328, in Load def Load(args): retur