Removed the "ssh_wait_timeout" key from the hyperv-iso builder in the win7x64-pro-cygwin.json template as for some reason it's not part of the Packer 1.5.1's schema.
Removed the "ssh_wait_timeout" key from the hyperv-iso builder in the win7x64-pro-cygwin.json template as for some reason it's not part of the Packer 1.5.1's schema.

boxcutter/windows,boxcutter/windows,boxcutter/windows,HirotakaKato/boxcutter-windows-ja,HirotakaKato/boxcutter-windows-ja,HirotakaKato/boxcutter-windows-ja