To Enable a Hub Replica
If you have hub replicas, enable them now.
You can use DSCC to perform this task. For information, see Directory Service Control Center Interface and the DSCC online help.
Enable the hub replicated suffix.
$ dsconf enable-repl -h host -p port hub suffix-DN
$ dsconf enable-repl -h host1 -p 1389 hub dc=example,dc=com