2.8 Problems Adding a VirtualBox Host to a Desktop Provider While an Add Operation is in Progress (Bug ID 13944126)

Given an Oracle VM VirtualBox Desktop Provider with a host added, if you try to add another VirtualBox host while an existing Add Storage job is still in progress, no storage mount point is created on the second host, and an exception is printed to the Cacao log.

To avoid this condition, do either of the following: