The following patch fixed the issue:

Index: servers/slapd/back-ldap/bind.c =================================================================== RCS file: /var/CVSROOT/ldap24/servers/slapd/back-ldap/bind.c,v retrieving revision 1.12 retrieving revision 1.13 diff -u -u -r1.12 -r1.13 --- servers/slapd/back-ldap/bind.c 28 Jul 2011 09:31:34 -0000 1.12 +++ servers/slapd/back-ldap/bind.c 17 Nov 2011 21:35:46 -0000 1.13 @@ -2056,7 +2056,7 @@ struct berval ndn; int dobind = 0;

- if ( op->o_conn == NULL || op->o_do_not_cache ) { + if ( op->o_conn == NULL ) { goto done; }

Ted C. Cheng Symas Corporation