The proxy authentication is solved over "protocol rules." "Allow" applies to all users who are in our Windows group. They sign on with their user information and the Internet works fine. When they log onto the OWA server, they are able to reach their inboxes, but when they try to open any mail from the inbox the OWA logon window reappears. Even when they sign on correctly, the windows reappears again and again until OWA writes "access denied." Sometimes the OWA logon window reappears before they even reach the inbox. When they are very lucky, they can read the content of one e-mail before the window reappears. In the "protocol rules," when I authenticate the users over their IP addresses, everything works perfectly. Please help. Thank you.
This was first published in May 2003