Hi all, I used Zimbra 6.0 GA under Ubuntu 8.04 LTS, authenticated with LDAP to Active Directory 2003 Server, someclients use POP and others IMAP, the clients use Outlook with Password save in configuration, the users NOT CHANGE THE PASSWORD, but each 3 days for SOME USERS the login window appears when open Outlook, after reboot the PC or wait 10 minutes, the outlook enter normaly.

Please help