diff --git a/plugins/providers/virtualbox/cap/configure_disks.rb b/plugins/providers/virtualbox/cap/configure_disks.rb
index 000a77745e7..0b1c7eb7ea5 100644
--- a/plugins/providers/virtualbox/cap/configure_disks.rb
+++ b/plugins/providers/virtualbox/cap/configure_disks.rb
@@ -345,7 +345,6 @@ def self.resize_disk(machine, disk_config, defined_disk, controller)
             # original disk information in case anything goes wrong during clone/resize
             original_disk = defined_disk
             backup_disk_location = "#{original_disk[:location]}.backup"
-
             # clone disk to vdi formatted disk
             vdi_disk_file = machine.provider.driver.vmdk_to_vdi(defined_disk[:location])
             # resize vdi
@@ -357,8 +356,12 @@ def self.resize_disk(machine, disk_config, defined_disk, controller)
               machine.provider.driver.remove_disk(controller.name, defined_disk[:port], defined_disk[:device])
               # Create a backup of the original disk if something goes wrong
               LOGGER.warn("Making a backup of the original disk at #{defined_disk[:location]}")
-              FileUtils.mv(defined_disk[:location], backup_disk_location)
-
+              # tha - has to be fixed
+              if Vagrant::Util::Platform.wsl?
+                machine.provider.driver.clone_disk(defined_disk[:location], backup_disk_location, "VMDK")
+              else
+                FileUtils.mv(defined_disk[:location], backup_disk_location)
+              end
               # we have to close here, otherwise we can't re-clone after
               # resizing the vdi disk
               machine.provider.driver.close_medium(defined_disk[:uuid])
@@ -379,7 +382,11 @@ def self.resize_disk(machine, disk_config, defined_disk, controller)
               raise
             ensure
               # Remove backup disk file if all goes well
-              FileUtils.remove(backup_disk_location, force: true)
+              if Vagrant::Util::Platform.wsl?
+                machine.provider.driver.close_medium(backup_disk_location)
+              else
+                FileUtils.remove(backup_disk_location, force: true)
+              end
             end
 
             # Remove cloned resized volume format
@@ -415,7 +422,12 @@ def self.resize_disk(machine, disk_config, defined_disk, controller)
         def self.recover_from_resize(machine, disk_info, backup_disk_location, original_disk, vdi_disk_file, controller)
           begin
             # move backup to original name
-            FileUtils.mv(backup_disk_location, original_disk[:location], force: true)
+            if Vagrant::Util::Platform.wsl?
+              machine.provider.driver.execute("modifymedium","disk", dbackup_disk_location, "--move", original_disk[:location])
+              machine.provider.driver.execute("internalcommands", "sethduuid", original_disk[:location], original_info[:uuid])
+            else
+              FileUtils.mv(backup_disk_location, original_disk[:location], force: true)
+            end
             # Attach disk
             machine.provider.driver.attach_disk(controller.name,
                                                 disk_info[:port],
diff --git a/plugins/providers/virtualbox/driver/version_5_0.rb b/plugins/providers/virtualbox/driver/version_5_0.rb
index e0836ea6a84..00370a22d94 100644
--- a/plugins/providers/virtualbox/driver/version_5_0.rb
+++ b/plugins/providers/virtualbox/driver/version_5_0.rb
@@ -938,9 +938,12 @@ def vm_exists?(uuid)
         # @param [String] defined_disk_path
         # @return [String] destination - The cloned disk
         def vmdk_to_vdi(defined_disk_path)
+
           source = defined_disk_path
           destination = File.join(File.dirname(source), File.basename(source, ".*")) + ".vdi"
-
+          if Vagrant::Util::Platform.windows? || Vagrant::Util::Platform.wsl?
+            destination = destination.sub(/^\.\/+/, '')
+          end
           clone_disk(source, destination, 'VDI')
 
           destination
@@ -952,7 +955,9 @@ def vmdk_to_vdi(defined_disk_path)
         def vdi_to_vmdk(defined_disk_path)
           source = defined_disk_path
           destination = File.join(File.dirname(source), File.basename(source, ".*")) + ".vmdk"
-
+          if Vagrant::Util::Platform.windows? || Vagrant::Util::Platform.wsl?
+            destination = destination.sub(/^\.\/+/, '')
+          end
           clone_disk(source, destination, 'VMDK')
 
           destination