diff --git a/lib/vagrant/plugin/remote/synced_folder.rb b/lib/vagrant/plugin/remote/synced_folder.rb
index 645145ab4..40415360c 100644
--- a/lib/vagrant/plugin/remote/synced_folder.rb
+++ b/lib/vagrant/plugin/remote/synced_folder.rb
@@ -52,6 +52,14 @@ module Vagrant
             end
           end
 
+          # @param [Machine] machine
+          # @param [Hash] folders The folders to remove. This will not contain
+          #   any folders that should remain.
+          # @param [Hash] opts Any options for the synced folders.
+          def prepare(machine, folders, opts)
+            client.prepare(machine.to_proto, folders, opts)
+          end
+
           # @param [Machine] machine
           # @param [Hash] folders The folders to remove. This will not contain
           #   any folders that should remain.
diff --git a/plugins/commands/serve/client/synced_folder.rb b/plugins/commands/serve/client/synced_folder.rb
index c0ba328fd..0801e5d07 100644
--- a/plugins/commands/serve/client/synced_folder.rb
+++ b/plugins/commands/serve/client/synced_folder.rb
@@ -22,6 +22,28 @@ module VagrantPlugins
           run_func(machine)
         end
 
+        # Generate callback and spec for required arguments
+        #
+        # @return [SDK::FuncSpec, Proc]
+        def prepare_func
+          spec = client.prepare_spec(Empty.new)
+          cb = proc do |args|
+            client.prepare(args)
+          end
+          [spec, cb]
+        end
+
+        # Prepare synced folders on guest
+        #
+        # @param machine [Vagrant::Machine] Guest machine
+        # @param folders [Array] Synced folders
+        # @param opts [Hash] Options for folders
+        def prepare(machine, folders, opts)
+          spec, cb = prepare_func
+          cb.call(generate_funcspec_args(spec,
+              machine, folders, Type::Direct.new(value: opts)))
+        end
+
         # Generate callback and spec for required arguments
         #
         # @return [SDK::FuncSpec, Proc]
diff --git a/plugins/commands/serve/service/synced_folder_service.rb b/plugins/commands/serve/service/synced_folder_service.rb
index e54f8140a..98c430d2f 100644
--- a/plugins/commands/serve/service/synced_folder_service.rb
+++ b/plugins/commands/serve/service/synced_folder_service.rb
@@ -37,20 +37,55 @@ module VagrantPlugins
         end
 
         def usable(req, ctx)
-          with_info(ctx, broker: broker) do |info|
-            plugin_name = info.plugin_name
+          plugins = Vagrant.plugin("2").local_manager.synced_folders
+          with_plugin(ctx, plugins, broker: broker) do |plugin|
             target = mapper.funcspec_map(req)
             project = target.project
             env = Vagrant::Environment.new({client: project})
             machine = env.machine(target.name.to_sym, target.provider_name.to_sym)
 
-            sf = get_synced_folder_plugin(plugin_name)
-            logger.debug("got sf #{sf}")
-            usable = sf.usable?(machine)
-            logger.debug("usable: #{usable}")
-            SDK::SyncedFolder::UsableResp.new(
-              usable: usable,
+            sf = plugin.new
+              usable = sf.usable?(machine)
+              logger.debug("usable: #{usable}")
+              SDK::SyncedFolder::UsableResp.new(
+                usable: usable,
+              )
+          end
+        end
+
+
+        def prepare_spec(*_)
+          SDK::FuncSpec.new(
+            name: "prepare_spec",
+            args: [
+              SDK::FuncSpec::Value.new(
+                type: "hashicorp.vagrant.sdk.Args.Target.Machine",
+                name: "",
+              ),
+              SDK::FuncSpec::Value.new(
+                type: "hashicorp.vagrant.sdk.Args.Hash",
+                name: "",
+              ),
+              SDK::FuncSpec::Value.new(
+                type: "hashicorp.vagrant.sdk.Args.Direct",
+                name: "",
+              ),
+            ],
+          )
+        end
+
+        def prepare(req, ctx)
+          plugins = Vagrant.plugin("2").local_manager.synced_folders
+          with_plugin(ctx, plugins, broker: broker) do |plugin|
+            machine, folders, opts = mapper.funcspec_map(
+              req,
+              expect: [Vagrant::Machine, Hash, Type::Direct]
             )
+            # change the top level folders hash key to a string
+            folders.transform_keys!(&:to_s)
+            sf = plugin.new
+            sf.prepare(machine, folders, opts)
+            Empty.new
           end
         end
 
@@ -75,14 +110,15 @@ module VagrantPlugins
         end
 
         def enable(req, ctx)
-          with_info(ctx, broker: broker) do |info|
-            plugin_name = info.plugin_name
+          plugins = Vagrant.plugin("2").local_manager.synced_folders
+          with_plugin(ctx, plugins, broker: broker) do |plugin|
             machine, folders, opts = mapper.funcspec_map(
               req.func_args,
               expect: [Vagrant::Machine, Hash, Type::Direct]
             )
-
-            sf = get_synced_folder_plugin(plugin_name)
+            # change the top level folders hash key to a string
+            folders.transform_keys!(&:to_s)
+            sf = plugin.new
             sf.enable(machine, folders, opts)
             Empty.new
           end
@@ -97,7 +133,7 @@ module VagrantPlugins
                 name: "",
               ),
               SDK::FuncSpec::Value.new(
-                type: "hashicorp.vagrant.sdk.Args.Folder",
+                type: "hashicorp.vagrant.sdk.Args.Hash",
                 name: "",
               ),
               SDK::FuncSpec::Value.new(
@@ -109,14 +145,15 @@ module VagrantPlugins
         end
 
         def disable(req, ctx)
-          with_info(ctx, broker: broker) do |info|
-            plugin_name = info.plugin_name
+          plugins = Vagrant.plugin("2").local_manager.synced_folders
+          with_plugin(ctx, plugins, broker: broker) do |plugin|
             machine, folders, opts = mapper.funcspec_map(
               req.func_args,
               expect: [Vagrant::Machine, Hash, Type::Direct]
             )
-
-            sf = get_synced_folder_plugin(plugin_name)
+            # change the top level folders hash key to a string
+            folders.transform_keys!(&:to_s)
+            sf = plugin.new
             sf.disable(machine, folders, opts)
             Empty.new
           end
@@ -151,18 +188,6 @@ module VagrantPlugins
             Empty.new
           end
         end
-
-        private
-
-        def get_synced_folder_plugin(plugin_name)
-          synced_folders = Vagrant.plugin("2").local_manager.synced_folders
-          logger.debug("got synced folders #{synced_folders}")
-          plugin = [plugin_name.to_s.to_sym].to_a.first
-          logger.debug("got plugin #{plugin}")
-          sf = plugin.new
-          logger.debug("got sf #{sf}")
-          sf
-        end
       end
     end
   end