The PingDirectoryProxy Server provides a mechanism for setting up administrative domains that synchronize configuration changes among servers in a server group. After you have set up a server group, you can make an update on one server using dsconfig, then you can apply the change to the other servers in the group using the --applyChangeTo server-group option of the dsconfig non-interactive command. If you want to apply the change to one server in the group, use the --applyChangeTo single-server option. When using dsconfig in interactive command-line mode, you will be asked if you want to apply the change to a single server or to all servers in the server group.