diff -r 37a512d7b8f6 -r 1fd94945796e src/server/daemon/ldap_auth.c
--- a/src/server/daemon/ldap_auth.c	Sat Jan 19 20:13:07 2013 +0100
+++ b/src/server/daemon/ldap_auth.c	Sat Jan 19 20:51:16 2013 +0100
@@ -57,6 +57,8 @@
         fprintf(stderr, "ldap_init failed\n");
         return NULL;
     }
+    int ldapv = 3;
+    ldap_set_option(ld, LDAP_OPT_PROTOCOL_VERSION, &ldapv);
 
     int r = ldap_simple_bind_s(ld, config->binddn, config->bindpw);
     if (r != LDAP_SUCCESS) {