Ever since upgrading the server from Win2K Server to Win2003 SP1, Outlook Web Access is acting strange (EX2003 was already installed and has been running fine for years.)
When a user tries logging into OWA, the login prompt comes back and the "User name" field is filled in with the external server name as a prefix to the user id. For example,
Of course, the user keeps hitting OK and gets "access is denied" after 3 attempts.
The only workaround I've found is to have them enter their full email address for the user id, and this lets them in just fine.
It appears that the 2003 upgrade made some directory security modifications, but I haven't been able to figure this one out.
Thanks in advance.