Troubleshooting
Error: “The guest machine entered an invalid state while waiting for it to boot. Valid states are ‘starting, running’.”
Answer: Enabling Intel Virtualization Technology (Hyper-V) in the BIOS and in the Windows System Configurations should fix the problem.
Error: “ssh executable not found in any directories in the %PATH% variable. Is an SSH client installed? Try installing Cygwin, MinGW or Git, all of which contain an SSH client.”
Answer: Use the Git BASH as shell to run vagrant ssh, it comes with SSH support.