Unable to move server to another host in vmware esx 5.1 and content of data store is empty


i am unable to move a server to another host in vmware esx 5.1 and content of data store is empty, Our other datastores located on the same SAN is ok and we are able to view the content.
We have also tried powering the server off before moving it to a different host,
error Message in vmware: The object or item referred to could not be found.

The Lun is quite large, 3.91TB, 1TB free, the server that has this issue is a Windows 2008 r2 server, the server is working fine in Windows and there we can Access all the disks.
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S00007359Cloud Engineering OfficerCommented:
power off the vm. download the vm from the datastore to a local hard drive that has space to accomoddate the vm [disk/size]

remove the vm from inventory.

once the download is complete, upload to the new datastore, and wat for it to complete.
once done, browse the datastore, and add the vmx file or vm to inventory and power it up.

or u can use a backup tools such as veeam backup and recovery and move the file from the datastore..

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