Solved: USB storage pass-through for Hyper-V

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Martin Andel

USB storage pass-through for Hyper-V

Hi everyone, I have a 2012R2 hypervisor with two guests running on it. I need to be able to set up a pass-through connection of a Tandberg RDX drive to one of the guests. The hypervisor recognizes the drive but I cannot make it offline, to be able to add it to the VM. When trying via diskpart It gives this error:

DISKPART> offline disk

Virtual Disk Service error:
The operation is not supported on removable media.

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Please note that this is the standalone hypervisor installation, not an app running on the standard server.

I've tried it with powershell to, using the below guide, but got a following error:
http://www.altaro.com/hyper-v/hyper-v-pass-through-disks/

PS C:\Users\mandel> Get-Disk -Number 1 | Set-Disk -IsOffline $true
Set-Disk : Not Supported
At line:1 char:22
+ Get-Disk -Number 1 | Set-Disk -IsOffline $true
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : InvalidOperation: (StorageWMI:ROOT/Microsoft/...
   _StorageCmdlets) [Set-Disk], CimException
    + FullyQualifiedErrorId : StorageWMI 1,Set-Disk

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Any suggestions welcome.

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Martin Andel

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Although I am not too happy with the outcome, at least I do know now that it is just not possible the way I was trying to do it.

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Storage

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Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.