hashicorp/vagrant · error · Vagrant::Errors::MachineGuestNotReady

Guest-specific operations were attempted on a machine that i

Error message

Guest-specific operations were attempted on a machine that is not
ready for guest communication. This should not happen and a bug
should be reported.

What it means

Error "Guest-specific operations were attempted on a machine that is not ready for guest communication. This should not happen and a bug should be reported." thrown in hashicorp/vagrant.

Source

Thrown at lib/vagrant/machine.rb:279

    def communicate
      if !@communicator
        requested  = @config.vm.communicator
        requested ||= :ssh
        klass = Vagrant.plugin("2").manager.communicators[requested]
        raise Errors::CommunicatorNotFound, comm: requested.to_s if !klass
        @communicator = klass.new(self)
      end

      @communicator
    end

    # Returns a guest implementation for this machine. The guest implementation
    # knows how to do guest-OS specific tasks, such as configuring networks,
    # mounting folders, etc.
    #
    # @return [Guest]
    def guest
      raise Errors::MachineGuestNotReady if !communicate.ready?
      @guest.detect! if !@guest.ready?
      @guest
    end

    # This sets the unique ID associated with this machine. This will
    # persist this ID so that in the future Vagrant will be able to find
    # this machine again. The unique ID must be absolutely unique to the
    # virtual machine, and can be used by providers for finding the
    # actual machine associated with this instance.
    #
    # **WARNING:** Only providers should ever use this method.
    #
    # @param [String] value The ID.
    def id=(value)
      @logger.info("New machine ID: #{value.inspect}")

      id_file = nil
      if @data_dir

View on GitHub (pinned to 35f3160f4a)

When it happens

Trigger: Thrown at lib/vagrant/machine.rb:279 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of hashicorp/vagrant@35f3160f4a (2026-08-21). Data as JSON: /api/errors/56fda2e132425cab. Report an issue: GitHub.