diff --git a/lib/vagrant.rb b/lib/vagrant.rb
index 8b18de499..fe3b5eaf1 100644
--- a/lib/vagrant.rb
+++ b/lib/vagrant.rb
@@ -89,6 +89,7 @@ module Vagrant
   c.register(:"1")                 { Plugin::V1::Plugin }
   c.register([:"1", :command])     { Plugin::V1::Command }
   c.register([:"1", :config])      { Plugin::V1::Config }
+  c.register([:"1", :guest])       { Plugin::V1::Guest }
   c.register([:"1", :provisioner]) { Plugin::V1::Provisioner }
 
   # Returns a `Vagrant::Registry` object that contains all the built-in
diff --git a/lib/vagrant/plugin/v1.rb b/lib/vagrant/plugin/v1.rb
index 595dcd6e3..0c095c4c3 100644
--- a/lib/vagrant/plugin/v1.rb
+++ b/lib/vagrant/plugin/v1.rb
@@ -7,6 +7,7 @@ module Vagrant
     module V1
       autoload :Command, "vagrant/plugin/v1/command"
       autoload :Config, "vagrant/plugin/v1/config"
+      autoload :Guest,  "vagrant/plugin/v1/guest"
       autoload :Plugin, "vagrant/plugin/v1/plugin"
       autoload :Provisioner, "vagrant/plugin/v1/provisioner"
     end
diff --git a/lib/vagrant/plugin/v1/guest.rb b/lib/vagrant/plugin/v1/guest.rb
new file mode 100644
index 000000000..86e96c249
--- /dev/null
+++ b/lib/vagrant/plugin/v1/guest.rb
@@ -0,0 +1,93 @@
+module Vagrant
+  module Plugin
+    module V1
+      # The base class for a guest. A guest represents an installed system
+      # within a machine that Vagrant manages. There are some portions of
+      # Vagrant which are OS-specific such as mountaing shared folders and
+      # halting the machine, and this abstraction allows the implementation
+      # for these to be seperate from the core of Vagrant.
+      class Guest
+        class BaseError < Errors::VagrantError
+          error_namespace("vagrant.guest.base")
+        end
+
+        include Vagrant::Util
+
+        # The VM which this system is tied to.
+        attr_reader :vm
+
+        # Initializes the system. Any subclasses MUST make sure this
+        # method is called on the parent. Therefore, if a subclass overrides
+        # `initialize`, then you must call `super`.
+        def initialize(vm)
+          @vm = vm
+        end
+
+        # This method is automatically called when the system is available (when
+        # Vagrant can successfully SSH into the machine) to give the system a chance
+        # to determine the distro and return a distro-specific system.
+        #
+        # **Warning:** If a return value which subclasses from {Base} is
+        # returned, Vagrant will use it as the new system instance for the
+        # class.
+        def distro_dispatch
+        end
+
+        # Halt the machine. This method should gracefully shut down the
+        # operating system. This method will cause `vagrant halt` and associated
+        # commands to _block_, meaning that if the machine doesn't halt
+        # in a reasonable amount of time, this method should just return.
+        #
+        # If when this method returns, the machine's state isn't "powered_off,"
+        # Vagrant will proceed to forcefully shut the machine down.
+        def halt
+          raise BaseError, :_key => :unsupported_halt
+        end
+
+        # Mounts a shared folder.
+        #
+        # This method should create, mount, and properly set permissions
+        # on the shared folder. This method should also properly
+        # adhere to any configuration values such as `shared_folder_uid`
+        # on `config.vm`.
+        #
+        # @param [String] name The name of the shared folder.
+        # @param [String] guestpath The path on the machine which the user
+        #   wants the folder mounted.
+        # @param [Hash] options Additional options for the shared folder
+        #   which can be honored.
+        def mount_shared_folder(name, guestpath, options)
+          raise BaseError, :_key => :unsupported_shared_folder
+        end
+
+        # Mounts a shared folder via NFS. This assumes that the exports
+        # via the host are already done.
+        def mount_nfs(ip, folders)
+          raise BaseError, :_key => :unsupported_nfs
+        end
+
+        # Configures the given list of networks on the virtual machine.
+        #
+        # The networks parameter will be an array of hashes where the hashes
+        # represent the configuration of a network interface. The structure
+        # of the hash will be roughly the following:
+        #
+        # {
+        #   :type      => :static,
+        #   :ip        => "192.168.33.10",
+        #   :netmask   => "255.255.255.0",
+        #   :interface => 1
+        # }
+        #
+        def configure_networks(networks)
+          raise BaseError, :_key => :unsupported_configure_networks
+        end
+
+        # Called to change the hostname of the virtual machine.
+        def change_host_name(name)
+          raise BaseError, :_key => :unsupported_host_name
+        end
+      end
+    end
+  end
+end
diff --git a/lib/vagrant/vm.rb b/lib/vagrant/vm.rb
index cf2badb8c..1068a00ed 100644
--- a/lib/vagrant/vm.rb
+++ b/lib/vagrant/vm.rb
@@ -49,7 +49,7 @@ module Vagrant
       @logger.info("Loading guest: #{guest}")
 
       if guest.is_a?(Class)
-        raise Errors::VMGuestError, :_key => :invalid_class, :guest => guest.to_s if !(guest <= Guest::Base)
+        raise Errors::VMGuestError, :_key => :invalid_class, :guest => guest.to_s if !(guest <= Vagrant.plugin("1", :guest))
         @guest = guest.new(self)
       elsif guest.is_a?(Symbol)
         # Look for the guest as a registered plugin
diff --git a/plugins/guests/freebsd/guest.rb b/plugins/guests/freebsd/guest.rb
index 479a32f68..4f092fa74 100644
--- a/plugins/guests/freebsd/guest.rb
+++ b/plugins/guests/freebsd/guest.rb
@@ -5,7 +5,7 @@ module VagrantPlugins
     # A general Vagrant system implementation for "freebsd".
     #
     # Contributed by Kenneth Vestergaard <kvs@binarysolutions.dk>
-    class Guest < Vagrant::Guest::Base
+    class Guest < Vagrant.plugin("1", :guest)
       # Here for whenever it may be used.
       class FreeBSDError < Vagrant::Errors::VagrantError
         error_namespace("vagrant.guest.freebsd")
diff --git a/plugins/guests/linux/guest.rb b/plugins/guests/linux/guest.rb
index 69ccd6890..49d40be0c 100644
--- a/plugins/guests/linux/guest.rb
+++ b/plugins/guests/linux/guest.rb
@@ -4,7 +4,7 @@ require "vagrant"
 
 module VagrantPlugins
   module GuestLinux
-    class Guest < Vagrant::Guest::Base
+    class Guest < Vagrant.plugin("1", :guest)
       class LinuxError < Vagrant::Errors::VagrantError
         error_namespace("vagrant.guest.linux")
       end
diff --git a/plugins/guests/solaris/guest.rb b/plugins/guests/solaris/guest.rb
index 031013311..51cb5c2e7 100644
--- a/plugins/guests/solaris/guest.rb
+++ b/plugins/guests/solaris/guest.rb
@@ -5,7 +5,7 @@ module VagrantPlugins
     # A general Vagrant system implementation for "solaris".
     #
     # Contributed by Blake Irvin <b.irvin@modcloth.com>
-    class Guest < Vagrant::Guest::Base
+    class Guest < Vagrant.plugin("1", :guest)
       # Here for whenever it may be used.
       class SolarisError < Vagrant::Errors::VagrantError
         error_namespace("vagrant.guest.solaris")
diff --git a/templates/locales/en.yml b/templates/locales/en.yml
index 5c6c8ed18..b4ee73d37 100644
--- a/templates/locales/en.yml
+++ b/templates/locales/en.yml
@@ -59,8 +59,8 @@ en:
         Instead, please include your Vagrant plugins in your Gemfile itself.
       guest:
         invalid_class: |-
-          The specified guest class does not inherit from `Vagrant::Guest::Base`.
-          The specified guest class must inherit from this class.
+          The specified guest class does not inherit from a proper guest
+          component class. The guest class must inherit from this.
 
           The specified guest class was: %{guest}
         unknown_type: |-
diff --git a/test/unit/vagrant_test.rb b/test/unit/vagrant_test.rb
index 267038917..33241eb32 100644
--- a/test/unit/vagrant_test.rb
+++ b/test/unit/vagrant_test.rb
@@ -14,6 +14,7 @@ describe Vagrant do
       it "returns the proper components for version 1" do
         described_class.plugin("1", :command).should == Vagrant::Plugin::V1::Command
         described_class.plugin("1", :config).should == Vagrant::Plugin::V1::Config
+        described_class.plugin("1", :guest).should == Vagrant::Plugin::V1::Guest
         described_class.plugin("1", :provisioner).should == Vagrant::Plugin::V1::Provisioner
       end
     end