diff --git a/backup/controller/backup_controller.class.php b/backup/controller/backup_controller.class.php
index 8ea8d517f91..9ac5f5b831f 100644
--- a/backup/controller/backup_controller.class.php
+++ b/backup/controller/backup_controller.class.php
@@ -326,11 +326,11 @@ class backup_controller extends base_controller {
         // Basic/initial prevention against time/memory limits
         core_php_time_limit::raise(1 * 60 * 60); // 1 hour for 1 course initially granted
         raise_memory_limit(MEMORY_EXTRA);
-        // If this is not a course backup, inform the plan we are not
+        // If this is not a course backup, or single activity backup (e.g. duplicate) inform the plan we are not
         // including all the activities for sure. This will affect any
         // task/step executed conditionally to stop including information
         // for section and activity backup. MDL-28180.
-        if ($this->get_type() !== backup::TYPE_1COURSE) {
+        if ($this->get_type() !== backup::TYPE_1COURSE && $this->get_type() !== backup::TYPE_1ACTIVITY) {
             $this->log('notifying plan about excluded activities by type', backup::LOG_DEBUG);
             $this->plan->set_excluding_activities();
         }
diff --git a/backup/controller/restore_controller.class.php b/backup/controller/restore_controller.class.php
index cc5b86993d2..b709f7840ec 100644
--- a/backup/controller/restore_controller.class.php
+++ b/backup/controller/restore_controller.class.php
@@ -341,11 +341,11 @@ class restore_controller extends base_controller {
         // Basic/initial prevention against time/memory limits
         core_php_time_limit::raise(1 * 60 * 60); // 1 hour for 1 course initially granted
         raise_memory_limit(MEMORY_EXTRA);
-        // If this is not a course restore, inform the plan we are not
+        // If this is not a course restore or single activity restore (e.g. duplicate), inform the plan we are not
         // including all the activities for sure. This will affect any
         // task/step executed conditionally to stop processing information
         // for section and activity restore. MDL-28180.
-        if ($this->get_type() !== backup::TYPE_1COURSE) {
+        if ($this->get_type() !== backup::TYPE_1COURSE && $this->get_type() !== backup::TYPE_1ACTIVITY) {
             $this->log('notifying plan about excluded activities by type', backup::LOG_DEBUG);
             $this->plan->set_excluding_activities();
         }
diff --git a/backup/util/dbops/backup_controller_dbops.class.php b/backup/util/dbops/backup_controller_dbops.class.php
index 3f94cd0eb15..ce9c1ba923b 100644
--- a/backup/util/dbops/backup_controller_dbops.class.php
+++ b/backup/util/dbops/backup_controller_dbops.class.php
@@ -580,6 +580,17 @@ abstract class backup_controller_dbops extends backup_dbops {
                         'backup_import_competencies'       => 'competencies'
                 );
                 self::apply_admin_config_defaults($controller, $settings, true);
+                if ((!$controller->get_interactive()) &&
+                        $controller->get_type() == backup::TYPE_1ACTIVITY) {
+                    // This is duplicate - there is no concept of defaults - these settings must be on.
+                    $settings = array(
+                         'activities',
+                         'blocks',
+                         'filters',
+                         'questionbank'
+                    );
+                    self::force_enable_settings($controller, $settings);
+                }
                 break;
             case backup::MODE_AUTOMATED:
                 // Load the automated defaults.
@@ -607,6 +618,30 @@ abstract class backup_controller_dbops extends backup_dbops {
         }
     }
 
+    /**
+     * Turn these settings on. No defaults from admin settings.
+     *
+     * @param backup_controller $controller
+     * @param array $settings a map from admin config names to setting names (Config name => Setting name)
+     */
+    private static function force_enable_settings(backup_controller $controller, array $settings) {
+        $plan = $controller->get_plan();
+        foreach ($settings as $config => $settingname) {
+            $value = true;
+            if ($plan->setting_exists($settingname)) {
+                $setting = $plan->get_setting($settingname);
+                // We do not allow this setting to be locked for a duplicate function.
+                if ($setting->get_status() !== base_setting::NOT_LOCKED) {
+                    $setting->set_status(base_setting::NOT_LOCKED);
+                }
+                $setting->set_value($value);
+                $setting->set_status(base_setting::LOCKED_BY_CONFIG);
+            } else {
+                $controller->log('Unknown setting: ' . $setting, BACKUP::LOG_DEBUG);
+            }
+        }
+    }
+
     /**
      * Sets the controller settings default values from the admin config.
      *
diff --git a/backup/util/dbops/restore_controller_dbops.class.php b/backup/util/dbops/restore_controller_dbops.class.php
index 38c657584c2..1894eeb9f89 100644
--- a/backup/util/dbops/restore_controller_dbops.class.php
+++ b/backup/util/dbops/restore_controller_dbops.class.php
@@ -183,6 +183,18 @@ abstract class restore_controller_dbops extends restore_dbops {
             );
             self::apply_admin_config_defaults($controller, $settings, true);
         }
+        if ($controller->get_mode() == backup::MODE_IMPORT &&
+                (!$controller->get_interactive()) &&
+                $controller->get_type() == backup::TYPE_1ACTIVITY) {
+            // This is duplicate - there is no concept of defaults - these settings must be on.
+            $settings = array(
+                    'activities',
+                    'blocks',
+                    'filters',
+                    'questionbank'
+            );
+            self::force_enable_settings($controller, $settings);
+        };
 
         // Add some dependencies.
         $plan = $controller->get_plan();
@@ -233,6 +245,30 @@ abstract class restore_controller_dbops extends restore_dbops {
         return $value;
     }
 
+    /**
+     * Turn these settings on. No defaults from admin settings.
+     *
+     * @param restore_controller $controller
+     * @param array $settings a map from admin config names to setting names (Config name => Setting name)
+     */
+    private static function force_enable_settings(restore_controller $controller, array $settings) {
+        $plan = $controller->get_plan();
+        foreach ($settings as $config => $settingname) {
+            $value = true;
+            if ($plan->setting_exists($settingname)) {
+                $setting = $plan->get_setting($settingname);
+                // We do not allow this setting to be locked for a duplicate function.
+                if ($setting->get_status() !== base_setting::NOT_LOCKED) {
+                    $setting->set_status(base_setting::NOT_LOCKED);
+                }
+                $setting->set_value($value);
+                $setting->set_status(base_setting::LOCKED_BY_CONFIG);
+            } else {
+                $controller->log('Unknown setting: ' . $settingname, BACKUP::LOG_DEBUG);
+            }
+        }
+    }
+
     /**
      * Sets the controller settings default values from the admin config.
      *
diff --git a/backup/util/ui/tests/behat/duplicate_activities.feature b/backup/util/ui/tests/behat/duplicate_activities.feature
index 40a65dc53bd..9b1b9afd392 100644
--- a/backup/util/ui/tests/behat/duplicate_activities.feature
+++ b/backup/util/ui/tests/behat/duplicate_activities.feature
@@ -14,6 +14,10 @@ Feature: Duplicate activities
     And the following "course enrolments" exist:
       | user | course | role |
       | teacher1 | C1 | editingteacher |
+    And I log in as "admin"
+    And I set the following administration settings values:
+      | backup_import_activities    | 0 |
+    And I log out
     And I log in as "teacher1"
     And I am on "Course 1" course homepage with editing mode on
     And I add a "Database" to section "1" and I fill the form with: