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Owa keeps asking username/password when reply to mail

Some of our users who through their personal email (hotmail / gmail) with IE7 sent mail to their business address (on the exchange in 2003) regularly get a pop-up username and password prompted. I have not been able to reproduce it myself, but many users complain about their customers that receive this pop-up message when their trying to sent to someone on our exchange server.

Some of the local users in the LAN who are using Outlook 2003 clients also complains that they having this pop-up issue regulary. Some of them use Windows XP en some Windows Vista. The SBS2003 server is up2date and the latest SP2 is installed for Exchange 2003.

scout_in

Hi,
Please make sure that is there any IE security setting that requires to prompt for username and password.
Also check your proxy settings..
Regards
Mahesh

Valutus

Is "Integrated Windows Authentication" enabled in the Advanced / Security Settings in Internet Explorer on your client machines?

favourman

Have them reboot their system first , then start outlook , the pop-up should come up again, they should check remember password and in their outlook setting remove prompt for password.

Satya Pathak

Please find IIS authentication type and the SSL requirement for Exchange 2003.
1) Default Website : Annonymous & Integrated NO SSL
2) Exadmin : Integrated NO SSL
3) Exchweb : Annonymous NO SSL
4) Exchange: Basic SSL Optional
5) RPC : Basic SSL Required
6) OMA : Basic SSL Optional
7) Public : Basic+Integrated SSL Optional
8) exchange-oma : Basic & Integrated NO SSL
9) Microsoft-Server-ActiveSync : Basic SSL Optional

After That need to restart IIS service and check it.

ASKER CERTIFIED SOLUTION

ko_timmers

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