We have single Windows 2003 domain with Exchange 2007 implemented.
Outlook 2007 clients is constantly being asked for their credentials.
Outlook 2003 clients don't have any problems.
If Outlook 2007 client cancels the password dialog box in the first time it says "need password" on the right bottom corder. When clicked on "provide network password" outlook is connected to exchange without a need to enter password.
If Outlook 2007 client enters the password for the first time it keeps asking for about 5 times more. If after entering the first time the client cancels than Outlook is connected to exchange.
This keeps happening every time clients make a send and recevie or at random times.
I tried integrated vs basic authentication.
I recreated the virtual directories.
Created an autodiscover redirection website.
I used srv records for _autodiscover services.
Nothing worked so far.
I guess it is something to do with the directory security of Autodiscover and/or OAB virtual directories but I am not sure.
THat's it.
I would be glad if you could help me.
Regards,
Abdullah SEN
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