I have finished a setup with zimbra OS and this version:

I have read the forums, specially this thread

And it says in the wiki there is a document that states how to export AD users into a file, and then importing that file to Zimbra to bulk provisioning the users, but i cannot seem to find it.

Will someone be kind to point me to the mentioned document? or maybe a new procedure since the above url is for a post dated 2007?

My AD has 1800 users in several OUs. and many group email memberships.
I would like to export these lists into a .csv file and then bulk import into zimbra so i can provision the accounts.
i have done a correct auth against the AD for validation purposes so all im missing is the importing of users.
Maybe am opensource script or commercial software that can help me with this?

Many thanks to all in advance,