--- a/server/ldaputils.py	Tue Apr 23 15:46:09 2013 +0200
+++ b/server/ldaputils.py	Tue Apr 23 16:07:02 2013 +0200
@@ -88,8 +88,8 @@
 
         ('user-base-dn',
          {'type' : 'string',
-          'default': 'ou=People,dc=logilab,dc=fr',
-          'help': 'base DN to lookup for users',
+          'default': '',
+          'help': 'base DN to lookup for users; disable user importation mechanism if unset',
           'group': 'ldap-source', 'level': 1,
           }),
         ('user-scope',