Mac OS 26.5 Tahoe USB Pass through Issue

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Shugnasty

New Member
Apr 10, 2026
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I cannot seem to get USB pass through to work in my Mac OS 26.5 Tahoe w/ OpenCore-ISO VM. I have tried individually passing through the ID's and ports, I created mapped devices, I set the pass through through ssh, and I have even passed through the entire xHCI USb controller to no results! It never sees anything.

I would like it if I can just pass through a USB device through the ID/port like I can in any other VM as I use other ports for other VMs and do not want to delegate an entire PCIe device to it. Any help would be appreciated!
 
If you don’t want to use port mapping with USBToolBox kext, you need to passthrough your USB device via the virtual USB2 (EHCI) controller. Example, run this in Proxmox VM Monitor tab:
> Replace 0x0781 and 0x5567 with your USB device ID
Code: 
device_add usb-host,bus=ehci.0,port=2,vendorid=0x0781,productid=0x5567
 
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