Connecting a passthrough device to the virtual machine fails with the error: Device x:y.z is already in use
Article ID: 306937
Updated On:
Products
VMware vSphere ESXi
Issue/Introduction
Symptoms:
- Cannot set a PCI device as passthrough to the virtual machine
- Setting a device as passthrough to the virtual machine fails
- You see the error:
Device x:y.z is already in use
Environment
VMware vSphere ESXi 5.0
VMware vSphere ESXi 5.1
VMware vSphere ESXi 5.1
Cause
This issue occurs if the PCI device or its dependent or parent PCI device is already set as a passthrough device to another virtual machine.
A PCI device can be set as passthrough to only one virtual machine.
Resolution
To resolve this issue, ensure only one virtual machine has access to this PCI passthrough device.
For more information, see Configuring VMDirectPath I/O pass-through devices on a VMware ESX or VMware ESXi host (1010789).
Additional Information
Feedback
Yes
No
Powered by
