New finding while trying to import the existing virtual machine from ESX 3.5 to vSphere 4 ESX host. I got an image from previous ESX 3.5 which is running hardware version 4. I was trying to import it to the new ESX 4.0 through the import wizard, and been failed for couple of times. During the wizard, it allow you to change the virtual machine name, thin provision, disable unnecessary services and upgrade to virtual hardware version 7. I had selected the necessary configuration but non of it were success. It had always failed at the stage of 12 % during the import process. I even had browse the datastore to monitor the progress, for unknown reason, the task will be failed for no reason, which not even a packet was drop during the process.

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