diff --git a/dal/settings.py b/dal/settings.py
index 8ba5c15..95c1b56 100644
--- a/dal/settings.py
+++ b/dal/settings.py
@@ -27,6 +27,15 @@ AUTH_LDAP_SERVER = AUTH_LDAP_SERVER_URI
 
 LDAP_CUSTOMER_DN = config('LDAP_CUSTOMER_DN')
 LDAP_USERS_DN = config('LDAP_USERS_DN')
+LDAP_CUSTOMER_GROUP_ID = config('LDAP_CUSTOMER_GROUP_ID', cast=int)
+
+LDAP_MAX_UID_FILE_PATH = config(
+    'LDAP_MAX_UID_FILE_PATH',
+    default=os.path.join(os.path.abspath(
+        os.path.dirname(__file__)), 'ldap_max_uid_file'
+    )
+)
+LDAP_DEFAULT_START_UID = config('LDAP_DEFAULT_START_UID', cast=int)
 
 # Search union over OUs
 search_base = config('LDAPSEARCH').split()