rc = ldap_result( msc->msc_ld, msgid, LDAP_MSG_ALL, &tv, &res );
                        switch ( rc ) {
                        case -1:
-                               rs->sr_err = LDAP_OTHER;
+                               rs->sr_err = LDAP_UNAVAILABLE;
+                               rs->sr_text = "Remote server down";
                                break;
 
                        case 0:
                                        goto retry;
                                }
                                rs->sr_err = LDAP_OTHER;
+                               rs->sr_text = "Timeout, no more retries";
                                break;
 
                        default:
 
                        } else {
                                rs->sr_err = LDAP_OTHER;
+                               rs->sr_text = "Unknown response to StartTLS request :"
+                                       " an ExtendedResposne is expected";
                        }
 
                        if ( res != NULL ) {
        }
 
        if ( rs->sr_err != LDAP_SUCCESS ) {
+               /* Get the error message and print it in TRACE mode */
+               if ( LogTest( LDAP_DEBUG_TRACE ) ) {
+                       Log4( LDAP_DEBUG_TRACE, ldap_syslog_level, "%s: meta_back_init_one_conn[%d] failed err=%d text=%s\n",
+                               op->o_log_prefix, candidate, rs->sr_err, rs->sr_text );
+               }
+
                rs->sr_err = slap_map_api2result( rs );
                if ( sendok & LDAP_BACK_SENDERR ) {
                        send_ldap_result( op, rs );
                                        err = lerr;
 
                                        if ( lerr == LDAP_UNAVAILABLE && mt->mt_isquarantined != LDAP_BACK_FQ_NO ) {
-                                               Debug( LDAP_DEBUG_TRACE, "%s: meta_back_getconn[%d] quarantined err=%d\n",
-                                                       op->o_log_prefix, i, lerr );
+                                               Log4( LDAP_DEBUG_TRACE, ldap_syslog_level, "%s: meta_back_getconn[%d] quarantined err=%d text=%s\n",
+                                                       op->o_log_prefix, i, lerr, rs->sr_text );
 
                                        } else {
-                                               Debug( LDAP_DEBUG_ANY, "%s: meta_back_getconn[%d] failed err=%d\n",
-                                                       op->o_log_prefix, i, lerr );
+                                               Log4( LDAP_DEBUG_ANY, ldap_syslog, "%s: meta_back_getconn[%d] failed err=%d text=%s\n",
+                                                       op->o_log_prefix, i, lerr, rs->sr_text );
                                        }
 
                                        if ( META_BACK_ONERR_STOP( mi ) ) {
 
                                                        Debug( LDAP_DEBUG_TRACE, "%s.\n", buf, 0, 0 );
        
                                                } else {
-                                                       Debug( LDAP_DEBUG_ANY, "%s (%s).\n",
-                                                               buf, ldap_err2string( candidates[ i ].sr_err ), 0 );
+                                                       Debug( LDAP_DEBUG_ANY, "%s (%s) text=\"%s\".\n",
+                                                               buf, ldap_err2string( candidates[ i ].sr_err ),
+                                                               candidates[ i ].sr_text ? candidates[i].sr_text : "" );
                                                }
                                        }