I created a few accounts in Zimbra Network Edition activating the "Hide in GAL" option, because the users were not ready to start using their computers.
When the users were able to access their mail, I deactivated the option "Hide in GAL" and save the configuration.

Unfortunately the users do not appear in the Address in the global address book of webmail clients, I see all other users in the list as usual if I press the "To" button and address autocompletion works for other users only.

The users can access the mailbox correctly and if I write their address directly, the message is delivered without errors.

How can I correct this problem?
Is there some command to rebuild/reindex the GAL?
I don't thind this is a bug, I searched in the Bug list and in this forum too and I have found anything.