I started using VMWare workstation few weeks back before I started fiddling with Vagrant. Due to some stupid reason I messed up VMware's Virtual Network configurations and removed all other virtual network connections except virtual network - Bridged (Auto-bridging). In my mind - "I don't need NAT or Host-only virtual network, duh" This worked well till the day I started using Vagrant for automation of my developement environment. On my first run of vagrant and I get a red error saying: The NAT configuration file for VMware Workstation can not be found. Due to a bug in VMware Workstation at the moment, Vagrant requires this file to workaround the issue. Please verify your installation of Workstation is valid. If this problem persists, please contact support. My Vagrant was simple as you can see: # -*- mode: ruby -*- # vi: set ft=ruby : # Vagrantfile API/syntax version. Don't » Read more