diff --git a/core/lib/Drupal/Core/Config/ConfigInstaller.php b/core/lib/Drupal/Core/Config/ConfigInstaller.php
index ffdc760..35c37f4 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstaller.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstaller.php
@@ -9,6 +9,7 @@
 
 use Drupal\Component\Utility\Unicode;
 use Drupal\Core\Config\Entity\ConfigDependencyManager;
+use Drupal\Core\Config\Entity\ConfigEntityDependency;
 use Drupal\Core\Entity\EntityTypeInterface;
 use Drupal\Core\Site\Settings;
 use Symfony\Component\EventDispatcher\EventDispatcherInterface;
@@ -141,16 +142,11 @@ public function installDefaultConfig($type, $name) {
         $storage = new FileStorage($optional_install_path, StorageInterface::DEFAULT_COLLECTION);
         $this->installOptionalConfig($storage, '');
       }
-      // Install any optional configuration entities whose type this extension
-      // provides. This searches all the installed modules config/optional
+      // Install any optional configuration entities whose dependencies can now
+      // be met. This searches all the installed modules config/optional
       // directories.
-      $provides_config_entity_type = array_reduce($this->configManager->getEntityManager()->getDefinitions(), function ($return, EntityTypeInterface $entity_type) use ($name) {
-        return $return ?: $entity_type->getProvider() && $entity_type->getConfigPrefix();
-      }, FALSE);
-      if ($provides_config_entity_type) {
-        $storage = new ExtensionInstallStorage($this->getActiveStorages(StorageInterface::DEFAULT_COLLECTION), InstallStorage::CONFIG_OPTIONAL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION, FALSE);
-        $this->installOptionalConfig($storage, $name . '.');
-      }
+      $storage = new ExtensionInstallStorage($this->getActiveStorages(StorageInterface::DEFAULT_COLLECTION), InstallStorage::CONFIG_OPTIONAL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION, FALSE);
+      $this->installOptionalConfig($storage, [$type => $name]);
     }
 
     // Reset all the static caches and list caches.
@@ -160,7 +156,7 @@ public function installDefaultConfig($type, $name) {
   /**
    * {@inheritdoc}
    */
-  public function installOptionalConfig(StorageInterface $storage = NULL, $prefix = '') {
+  public function installOptionalConfig(StorageInterface $storage = NULL, $dependency = []) {
     if (!$storage) {
       // Search the install profile's optional configuration too.
       $storage = new ExtensionInstallStorage($this->getActiveStorages(StorageInterface::DEFAULT_COLLECTION), InstallStorage::CONFIG_OPTIONAL_DIRECTORY, StorageInterface::DEFAULT_COLLECTION, TRUE);
@@ -180,19 +176,38 @@ public function installOptionalConfig(StorageInterface $storage = NULL, $prefix
       if (!$this->configManager->supportsConfigurationEntities($collection)) {
         continue;
       }
-      $existing_config = $this->getActiveStorages($collection)->listAll($prefix);
-      $config_to_create = $this->getConfigToCreate($storage, $collection, $prefix, $profile_storage);
-      $all_config = array_merge($existing_config, array_keys($config_to_create));
+      $existing_config = $this->getActiveStorages($collection)->listAll();
+
+      $list = array_filter($storage->listAll(), function($config_name) use ($existing_config) {
+        // Only list configuration that:
+        // - does not already exist
+        // - is a configuration entity (this also excludes config that has an
+        //   implicit dependency on modules that are not yet installed)
+        return !in_array($config_name, $existing_config) && $this->configManager->getEntityTypeIdByName($config_name);
+      });
+
+      $all_config = array_merge($existing_config, $list);
+      $config_to_create = $storage->readMultiple($list);
+      // Check to see if the corresponding override storage has any overrides.
+      if ($profile_storage) {
+        if ($profile_storage->getCollectionName() != $collection) {
+          $profile_storage = $profile_storage->createCollection($collection);
+        }
+        $config_to_create = $profile_storage->readMultiple($list) + $config_to_create;
+      }
       foreach ($config_to_create as $config_name => $data) {
-        // Exclude configuration that:
-        // - already exists
-        // - is a not configuration entity
-        // - or its dependencies cannot be met.
-        if (in_array($config_name, $existing_config) ||
-          !$this->configManager->getEntityTypeIdByName($config_name) ||
-          !$this->validateDependencies($config_name, $data, $enabled_extensions, $all_config)) {
+        // Exclude configuration where its dependencies cannot be met.
+        if (!$this->validateDependencies($config_name, $data, $enabled_extensions, $all_config)) {
           unset($config_to_create[$config_name]);
         }
+        // Exclude configuration that does not have a matching dependency.
+        elseif (!empty($dependency)) {
+          // Create a light weight dependency object to check dependencies.
+          $config_entity = new ConfigEntityDependency($config_name, $data);
+          if (!$config_entity->hasDependency(key($dependency), reset($dependency))) {
+            unset($config_to_create[$config_name]);
+          }
+        }
       }
       if (!empty($config_to_create)) {
         $this->createConfiguration($collection, $config_to_create, TRUE);
@@ -477,12 +492,6 @@ protected function findDefaultConfigWithUnmetDependencies(StorageInterface $stor
    *   TRUE if the dependencies are met, FALSE if not.
    */
   protected function validateDependencies($config_name, array $data, array $enabled_extensions, array $all_config) {
-    // All the migrate tests will fail if we check since they install the
-    // migrate_drupal module but only set up the dependencies for the single
-    // migration they are testing.
-    if (strpos($config_name, 'migrate.migration.') === 0) {
-      return TRUE;
-    }
     if (isset($data['dependencies'])) {
       $all_dependencies = $data['dependencies'];
 
diff --git a/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php b/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
index 6d8e489..3e99bce 100644
--- a/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
+++ b/core/lib/Drupal/Core/Config/ConfigInstallerInterface.php
@@ -49,11 +49,13 @@ public function installDefaultConfig($type, $name);
    *   (optional) The configuration storage to search for optional
    *   configuration. If not provided, all enabled extension's optional
    *   configuration directories will be searched.
-   * @param string $prefix
-   *   (optional) If set, limits the installed configuration to only
-   *   configuration beginning with the provided value.
+   * @param array $dependency
+   *   (optional) If set, ensures that the configuration being installed has
+   *   this dependency. The format is dependency type as the key ('module',
+   *   'theme', or 'config') and the dependency name as the value
+   *   ('book', 'bartik', 'views.view.frontpage').
    */
-  public function installOptionalConfig(StorageInterface $storage = NULL, $prefix = '');
+  public function installOptionalConfig(StorageInterface $storage = NULL, $dependency = []);
 
   /**
    * Installs all default configuration in the specified collection.
diff --git a/core/modules/migrate/src/Entity/Migration.php b/core/modules/migrate/src/Entity/Migration.php
index 9e8fe46..f694969 100644
--- a/core/modules/migrate/src/Entity/Migration.php
+++ b/core/modules/migrate/src/Entity/Migration.php
@@ -480,4 +480,10 @@ public function setTrackLastImported($track_last_imported) {
   public function getMigrationDependencies() {
     return $this->migration_dependencies;
   }
+
+  public function calculateDependencies() {
+    parent::calculateDependencies();
+    $this->calculatePluginDependencies($this->getDestinationPlugin());
+    return $this->dependencies;
+  }
 }
diff --git a/core/modules/migrate/src/Plugin/migrate/destination/Book.php b/core/modules/migrate/src/Plugin/migrate/destination/Book.php
index f6ff932..90b0bbe 100644
--- a/core/modules/migrate/src/Plugin/migrate/destination/Book.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/Book.php
@@ -13,7 +13,6 @@
 /**
  * @MigrateDestination(
  *   id = "book",
- *   provider = "book"
  * )
  */
 class Book extends EntityContentBase {
diff --git a/core/modules/migrate/src/Plugin/migrate/destination/Config.php b/core/modules/migrate/src/Plugin/migrate/destination/Config.php
index 7d84813..7884fa3 100644
--- a/core/modules/migrate/src/Plugin/migrate/destination/Config.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/Config.php
@@ -104,4 +104,12 @@ public function getIds() {
     return array();
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies() {
+    list($provider,) = explode('.', $this->config->getName(), 2);
+    return ['module' => [$provider]];
+  }
+
 }
diff --git a/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
index 084fd88..acf2fc6 100644
--- a/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
+++ b/core/modules/migrate/src/Plugin/migrate/destination/DestinationBase.php
@@ -8,6 +8,7 @@
 
 namespace Drupal\migrate\Plugin\migrate\destination;
 
+use Drupal\Component\Plugin\DependentPluginInterface;
 use Drupal\Core\Plugin\PluginBase;
 use Drupal\migrate\Entity\MigrationInterface;
 use Drupal\migrate\Exception\RequirementsException;
@@ -24,7 +25,7 @@
  *
  * @ingroup migration
  */
-abstract class DestinationBase extends PluginBase implements MigrateDestinationInterface, RequirementsInterface {
+abstract class DestinationBase extends PluginBase implements MigrateDestinationInterface, RequirementsInterface, DependentPluginInterface {
 
   /**
    * The migration.
@@ -115,4 +116,11 @@ public function resetStats() {
     // TODO: Implement resetStats() method.
   }
 
+  /**
+   * {@inheritdoc}
+   */
+  public function calculateDependencies() {
+    return [];
+  }
+
 }
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_action_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_action_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_action_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_action_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_feed.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_feed.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_feed.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_feed.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_item.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_item.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_item.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_item.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_settings.yml
similarity index 94%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_settings.yml
index 6385366..988a86d 100644
--- a/core/modules/migrate_drupal/config/install/migrate.migration.d6_aggregator_settings.yml
+++ b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_aggregator_settings.yml
@@ -23,3 +23,6 @@ process:
 destination:
   plugin: config
   config_name: aggregator.settings
+dependencies:
+  module:
+    - aggregator
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_block.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_block.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_block.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_block_content_body_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_block_content_body_field.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_block_content_body_field.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_block_content_body_field.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_block_content_type.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_block_content_type.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_block_content_type.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_block_content_type.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_book.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_book.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_book.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_book.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_book_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_book_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_book_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_book_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_cck_field_revision.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_cck_field_revision.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_cck_field_revision.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_cck_field_revision.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_cck_field_values.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_cck_field_values.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_cck_field_values.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_cck_field_values.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_display.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_display.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_display.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_form_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_form_display.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_form_display.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_form_display.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_form_display_subject.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_form_display_subject.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_entity_form_display_subject.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_entity_form_display_subject.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_field.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_field.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_field.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_field_instance.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_field_instance.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_field_instance.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_type.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_type.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_comment_type.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_comment_type.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_contact_category.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_contact_category.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_contact_category.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_contact_category.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_contact_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_contact_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_contact_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_contact_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_custom_block.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_custom_block.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_custom_block.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_custom_block.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_date_formats.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_date_formats.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_date_formats.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_date_formats.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_dblog_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_dblog_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_dblog_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_dblog_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_field.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_field.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_field.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field_formatter_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_formatter_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_field_formatter_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_formatter_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_instance.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_field_instance.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_instance.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_field_instance_widget_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_instance_widget_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_field_instance_widget_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_field_instance_widget_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_file.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_file.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_file.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_file.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_file_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_file_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_file_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_file_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_filter_format.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_filter_format.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_filter_format.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_filter_format.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_forum_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_forum_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_forum_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_forum_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_locale_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_locale_settings.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_locale_settings.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_locale_settings.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_menu.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_menu.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_menu.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_menu.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_menu_links.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_menu_links.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_node.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_node.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_node_revision.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_node_revision.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_node_setting_promote.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_node_setting_promote.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_node_setting_sticky.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_node_setting_sticky.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_node_type.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_node_type.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_profile_values.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_profile_values.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_search_page.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_search_page.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_search_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_search_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_simpletest_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_simpletest_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_statistics_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_statistics_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_syslog_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_syslog_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_cron.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_cron.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_file.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_file.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_filter.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_filter.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_image.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_image.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_image_gd.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_image_gd.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_logging.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_logging.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_maintenance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_maintenance.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_performance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_performance.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_rss.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_rss.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_system_site.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_system_site.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_taxonomy_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_taxonomy_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_taxonomy_term.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_taxonomy_term.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_taxonomy_vocabulary.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_taxonomy_vocabulary.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_term_node.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_term_node.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_term_node_revision.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_term_node_revision.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_text_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_text_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_update_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_update_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_upload.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_upload.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_upload_entity_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_upload_entity_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_upload_entity_form_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_upload_entity_form_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_upload_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_upload_field.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_upload_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_upload_field_instance.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_url_alias.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_url_alias.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_contact_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_contact_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_mail.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_mail.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_picture_entity_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_picture_entity_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_picture_entity_form_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_picture_entity_form_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_picture_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_picture_field.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_picture_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_picture_field_instance.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_picture_file.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_picture_file.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_profile_entity_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_profile_entity_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_profile_entity_form_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_profile_entity_form_display.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_profile_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_profile_field.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_profile_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_profile_field_instance.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_role.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_role.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_user_settings.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_user_settings.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_view_modes.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_view_modes.yml
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diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_entity_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_entity_display.yml
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rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_entity_display.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_entity_display.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_entity_form_display.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_entity_form_display.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_entity_form_display.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_entity_form_display.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_field.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_field.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_field.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_field.yml
diff --git a/core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_field_instance.yml b/core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_field_instance.yml
similarity index 100%
rename from core/modules/migrate_drupal/config/install/migrate.migration.d6_vocabulary_field_instance.yml
rename to core/modules/migrate_drupal/config/optional/migrate.migration.d6_vocabulary_field_instance.yml