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Outlook 2003 Remote/OWA Issues

c1w1ortiz asked
Last Modified: 2012-05-09
I have a FE/BE setup. Exchange 2003 SP2/Exchange 2003 SP2. FE and BE are behind the internal firewall and port 80/443 are open.

Users are trying to connect remotely to read their emails using Outlook 2003. They are been prompted continuesly to enter their user name/password but it is not taking. Trying to troubleshoot this issue, I ran the command Outlook /rpcdiag and I can see it is hitting the DC/GC server and the BE server. The same users get to their mailboxes when connected to the network. RPC over HTTPS is configured in those Outlook clients.

Also I am having problems with OWA, my users are getting prompted to enter their credentials to then get the message "440 login time out".

We confirmed traffic thru the firewall.
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