diff --git a/phpBB/docs/CHANGELOG.html b/phpBB/docs/CHANGELOG.html
index 7b8d8f63f2..e5dcd82806 100644
--- a/phpBB/docs/CHANGELOG.html
+++ b/phpBB/docs/CHANGELOG.html
@@ -103,6 +103,7 @@
 		<li>[Fix] Allow multibyte keys in request_var(). (Bug #51555)</li>
 		<li>[Fix] Prevent wrong tar archive type detection. (Bug #12531)</li>
 		<li>[Fix] Correct redirection after login to forum not in web root (Bug #58755)</li>
+		<li>[Fix] Allow setting parent forums regardless of permission settings. (Bug #57415)</li>
 		<li>[Feature] Support for Microsoft's Native SQL Server Driver for PHP (Bug #57055 - Patch by Chris Pucci at Microsoft)</li>
 	</ul>
 
diff --git a/phpBB/includes/acm/acm_memcache.php b/phpBB/includes/acm/acm_memcache.php
index 52b8832749..e54fa36c38 100644
--- a/phpBB/includes/acm/acm_memcache.php
+++ b/phpBB/includes/acm/acm_memcache.php
@@ -37,6 +37,12 @@ if (!defined('PHPBB_ACM_MEMCACHE_HOST'))
 	define('PHPBB_ACM_MEMCACHE_HOST', 'localhost');
 }
 
+if (!defined('PHPBB_ACM_MEMCACHE'))
+{
+	//can define multiple servers with host1/port1,host2/port2 format
+	define('PHPBB_ACM_MEMCACHE', PHPBB_ACM_MEMCACHE_HOST . '/' . PHPBB_ACM_MEMCACHE_PORT);
+}
+
 /**
 * ACM for Memcached
 * @package acm
@@ -54,7 +60,11 @@ class acm extends acm_memory
 		parent::acm_memory();
 
 		$this->memcache = new Memcache;
-		$this->memcache->connect(PHPBB_ACM_MEMCACHE_HOST, PHPBB_ACM_MEMCACHE_PORT);
+		foreach(explode(',', PHPBB_ACM_MEMCACHE) as $u)
+		{
+			$parts = explode('/', $u);
+			$this->memcache->addServer(trim($parts[0]), trim($parts[1]));
+		}
 		$this->flags = (PHPBB_ACM_MEMCACHE_COMPRESS) ? MEMCACHE_COMPRESSED : 0;
 	}
 
@@ -125,4 +135,4 @@ class acm extends acm_memory
 	}
 }
 
-?>
\ No newline at end of file
+?>
diff --git a/phpBB/includes/acp/acp_forums.php b/phpBB/includes/acp/acp_forums.php
index bde59ec870..5a5adc57ae 100644
--- a/phpBB/includes/acp/acp_forums.php
+++ b/phpBB/includes/acp/acp_forums.php
@@ -407,7 +407,7 @@ class acp_forums
 						$exclude_forums[] = $row['forum_id'];
 					}
 
-					$parents_list = make_forum_select($forum_data['parent_id'], $exclude_forums, false, false, false);
+					$parents_list = make_forum_select($forum_data['parent_id'], $exclude_forums, true, false, false);
 
 					$forum_data['forum_password_confirm'] = $forum_data['forum_password'];
 				}
@@ -416,7 +416,7 @@ class acp_forums
 					$this->page_title = 'CREATE_FORUM';
 
 					$forum_id = $this->parent_id;
-					$parents_list = make_forum_select($this->parent_id, false, false, false, false);
+					$parents_list = make_forum_select($this->parent_id, false, true, false, false);
 
 					// Fill forum data with default values
 					if (!$update)