diff -u b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
--- b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
+++ b/core/modules/migrate_drupal_ui/src/Form/MigrateUpgradeForm.php
@@ -60,7 +60,7 @@
   protected $fieldPluginManager;
 
   /**
-   * The modue handler.
+   * The module handler.
    *
    * @var \Drupal\Core\Extension\ModuleHandlerInterface
    */
@@ -465,7 +465,12 @@
   }
 
   /**
-   * Confirmation form for missing migrations, etc.
+   * Confirmation form showing available and missing migration paths.
+   *
+   * The confirmation form uses the source_module and destination_module
+   * properties on the source, destination and field plugins as well as the
+   * system data from the source to determine if there is a migration path for
+   * each module in the source.
    *
    * @param array $form
    *   An associative array containing the structure of the form.
@@ -482,8 +487,9 @@
     $form['actions']['submit']['#value'] = $this->t('Perform upgrade');
 
     $version = $form_state->get('version');
-    $migrations = $this->getMigrations('migrate_drupal_' . $version, $version);
 
+    // Get the source_module and destination_module for each migration.
+    $migrations = $this->getMigrations('migrate_drupal_' . $version, $version);
     $table_data = [];
     foreach ($migrations as $migration) {
       $migration_id = $migration->getPluginId();
@@ -501,50 +507,19 @@
       }
     }
 
-    // Get all the field types from the source database using the source
-    // plugin in the field migration.
-    $field_types = [];
-    $definition = [
-      'source' => [
-        'ignore_map' => TRUE,
-        'plugin' => 'd' . $version . '_field',
-      ],
-      'destination' => [
-        'plugin' => 'null',
-      ],
-    ];
-    try {
-      $source_plugin = \Drupal::service('plugin.manager.migration')
-        ->createStubMigration($definition)
-        ->getSourcePlugin();
-      $source_plugin->checkRequirements();
-
-      foreach ($source_plugin as $row) {
-        $field_types[] = $row->getSourceProperty('type');
+    // Get the source_module and destination_module from the field plugins.
+    $definitions = $this->fieldPluginManager->getDefinitions();
+    foreach ($definitions as $definition) {
+      $source_module = $this->fieldPluginManager->getSourceModule($definition);
+      if (!$source_module) {
+        drupal_set_message($this->t('Source module not found for field plugin @id.', ['@id' => $definition['id']]), 'error');
       }
-      $field_types = array_unique($field_types);
-    }
-    catch (RequirementsException $e) {
-      // If checkRequirements() failed then the field module did not exist and
-      // we do not have any fields. Therefore, $field_types will be empty below.
-    }
-
-    // For each field type in the source get the source_module and the
-    // destination_module from the relevant field plugin.
-    foreach ($field_types as $field_type) {
-      try {
-        $plugin_id = $this->fieldPluginManager->getPluginIdFromFieldType($field_type, ['core' => $version]);
-        $definition = $this->fieldPluginManager->getDefinition($plugin_id);
-        $source_module = $this->fieldPluginManager->getSourceModule($definition);
-        $destination_module = $this->fieldPluginManager->getDestinationModule($definition);
-        if (($destination_module == 'core') || $this->moduleHandler->moduleExists($destination_module)) {
-          $field_plugin_id = $definition['id'];
-          $table_data[$source_module][$destination_module][$definition['id']] = $field_plugin_id;
-        }
+      $destination_module = $this->fieldPluginManager->getDestinationModule($definition);
+      if (!$destination_module) {
+        drupal_set_message($this->t('Destination module not found for field plugin @mid.', ['@id' => $definition['id']]), 'error');
       }
-      catch (PluginNotFoundException $ex) {
-        // If checkRequirements() failed then there is no field migration for
-        // this field type.
+      if ($source_module && $destination_module) {
+        $table_data[$source_module][$destination_module][$definition['id']] = $definition['id'];
       }
     }