Migrating users from samba+ldap to zimbra+ldap+samba

[elisium]

Good Day.

I have a little problem with migrating. First of all I have no problems with installation. I have a ldap database, which is used by samba and zimbra.

But I have about 50 users, that have samba attributes, but don't have zimbra attributes. They can easily log in samba domain, but can't use zimbra mail.

I want to add them zimbra attributes, but when I try to use admin UI or zmprov createAccount, zimbra tries to add new account, but not to add new attributes, that is why it doesn't works.

Zimbra version 6.0.8, samba 3.5.5.

I have two questions:

1. Can zimbra add own attributes to existing users in ldap? If yes, how can I do this?

2. If the answer to the first question is no, then how can I generate zimbraId attribute to manually add attributes to users?

Thank you.