text: To learn more about these settings, see the documentation for the VMware ESX host. 
  
  **Note:**Test the setting changes on a non-production server. The LUN has a different unique 
  identifier after it is imported. It appears as a mirrored volume to the VMware server. 
  
  If the external storage system is not detected, the warning message that is shown in 
  Figure 9-1 is displayed when you attempt to start the migration wizard. Click**Close**and 
  correct the problem before you try to start the migration wizard again. 