Vagrant Error: Unable to Mount VirtualBox Shared Folders (Guest Additions, vboxsf)

Question

The Issue

I installed Vagrant on Windows 10 so I can create a personal local development environment in a virtual machine. Everything I\'ve read about Vagrant said I c

Answer 1

I am using Vagrant 1.9.4 and VirtualBox 5.1.20. No solution here helped me.

I finally got around the problem by disabling auto updates for the guest additions:

Vagrant.configure("2") do |config|
    config.vbguest.auto_update = false
    [...]
end

It's more of a hacky workaround than a solution. I still don't really know what the actual issue is, but I assume it is connected to this: https://www.virtualbox.org/ticket/16670