}
 
        if ( op->o_ctrls ) {
-               ldap_set_option( lc->ld, LDAP_OPT_SERVER_CONTROLS, op->o_ctrls );
+               if ( ldap_set_option( lc->ld, LDAP_OPT_SERVER_CONTROLS,
+                                       op->o_ctrls ) != LDAP_SUCCESS ) {
+                       ldap_back_op_result( lc, op );
+                       return( -1 );
+               }
        }
        
        /*
  */
 int
 ldap_back_dobind( struct ldapconn *lc, Operation *op )
-{
+{      
+       if ( op->o_ctrls ) {
+               if ( ldap_set_option( lc->ld, LDAP_OPT_SERVER_CONTROLS,
+                               op->o_ctrls ) != LDAP_SUCCESS ) {
+                       ldap_back_op_result( lc, op );
+                       return( 0 );
+               }
+       }
+       
        if ( lc->bound ) {
                return( lc->bound );
        }
 
-       if ( op->o_ctrls ) {
-               ldap_set_option( lc->ld, LDAP_OPT_SERVER_CONTROLS,
-                               op->o_ctrls );
-       }
-       
        if ( ldap_bind_s( lc->ld, lc->bound_dn.bv_val, lc->cred.bv_val, 
                                LDAP_AUTH_SIMPLE ) != LDAP_SUCCESS ) {
                ldap_back_op_result( lc, op );
 
        }
 
        if ( op->o_ctrls ) {
-               ldap_set_option( lc->conns[ candidate ].ld, 
+               rc = ldap_set_option( lc->conns[ candidate ].ld, 
                                LDAP_OPT_SERVER_CONTROLS, op->o_ctrls );
+               if ( rc != LDAP_SUCCESS ) {
+                       rc = ldap_back_map_result( rc );
+                       goto return_results;
+               }
        }
        
        rc = ldap_bind_s( lc->conns[ candidate ].ld, mdn.bv_val, cred->bv_val, method );
                                        ndn, candidate );
                }
        }
+
+return_results:;
        
        if ( mdn.bv_val != dn->bv_val ) {
                free( mdn.bv_val );
                        continue;
                }
 
+               /*
+                * If required, set controls
+                */
+               if ( op->o_ctrls ) {
+                       if ( ldap_set_option( lsc->ld, LDAP_OPT_SERVER_CONTROLS,
+                                       op->o_ctrls ) != LDAP_SUCCESS ) {
+                               ( void )meta_clear_one_candidate( lsc, 1 );
+                               continue;
+                       }
+               }
+       
                /*
                 * If the target is already bound it is skipped
                 */
                        lsc->bound_dn.bv_len = 0;
                }
                
-               if ( op->o_ctrls ) {
-                       ldap_set_option( lsc->ld, LDAP_OPT_SERVER_CONTROLS,
-                                       op->o_ctrls );
-               }
-       
+
                rc = ldap_bind_s( lsc->ld, 0, NULL, LDAP_AUTH_SIMPLE );
                if ( rc != LDAP_SUCCESS ) {