This isn't a Vagrant issue, it's a VirtualBox issue. I've been using Vagrant with parallels since I installed High Sierra without issue. Edit: yes, actually a

This isn't a Vagrant issue, it's a VirtualBox issue. I've been using Vagrant with parallels since I installed High Sierra without issue. Edit: yes, actually as mentioned below, it can affect Vagrant in general (when using NFS), but it's only really with VirtualBox that you need to use NFS - with other Providers they have their own filesystem methods for the guest that actually work as expected.