Hi, Winsows 2000, Exch2k SP3 Since 2 days ago, my external users are facing big troubled, they can logon to their mailboxes through OWA. they open VPN connection and when they try to log on to the mailboxes woth Outlook the fill user, pass and domain - they get an error of wrong cradentials. Any idea? Thanks, Dolly ----------------------------- Dolly Bareqet Technical Coordinator iMDsoft mailto:dolly@xxxxxxxxxxxx Phone: +972-3-6449333 #260 Mobile: +972-54-957550 Fax: +972-3-6449339 Website: www.imd-soft.com <http://www.imd-soft.com/>