"Failed to access the USB subsystem" Error Seen on Guest Virtual Machines Running in VirtualBox on a Solaris Host

"Failed to access the USB subsystem" Error Seen on Guest Virtual Machines Running in VirtualBox on a Solaris Host (Doc ID 1398724.1)

Last updated on JULY 16, 2012

Applies to:

Oracle VM VirtualBox - Version 4.0 to 4.1 [Release 4.0]
Oracle Solaris on x86-64 (64-bit)
OpenSolaris
Oracle Solaris Express

This behavior may be seen:

While running VirtualBox 4.x as a non-root user on Solaris, where users may find that USB pass-through does not work in guest virtual machines, or
when clicking Settings button in the VirtualBox Manager, an error dialog appears with the error message:

"Failed to access the USB subsystem.

Could not load the Host USB Proxy service: VERR_ACCESS_DENIED."

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