Outlook 2007 - autodiscover - authentication popup mistery

Hi Peter,

I have the exact same problem.  Have also narrowed it down to relating to proxy settings in I.E - more specifically, once you make use of SSL!  If you disable SSL in proxy settings, outlook 2007 does not prompt for credentials anymore.  This ofcourse leaves the problem of users unable to log into any secure sites - which is no good either!!

I am still trying to find out how to disable/fix this authentication problem within outlook 2007.  I would appreciate it if you post any findings here - I will do the same.

I have tried the microsoft solution by using PRF files to configure outlook, and tried to configure outlook manually without autodiscover.. popups remain.

Help!! Anyone ! :)

Cheers

Armand

Armand,

Thanks for your comments on my postings.

As far as I understand correctly, your last question is what exclusions I entered in my proxy settings. I excluded "*.internaldomain.local" and "*.externaldomain.com";

I hope this helps! Please inform me after your modifications.

Regards,

Peter

Peter,

I believe I owe you a dozen beers next time im in town.

Once I excluded *.internal domain the authentication annoyance has not been seen since.

CHEER!!!!!!!!!!!!!!!!!!!!!!!!!!!

And timing couldnt be better - I have just finished re-installing Outlook 2003 on machine 1 of 500.  Now I can leave them all as is on 2007!

Thanks again!

Hello Peter!  

How fabulous are you?  :)

I've had this problem for months - my users were really getting cranky about it - and hadn't been able to find a solution.  I actually had a brain wave about the proxy idea myself this morning because it just occurred to me that those of us bypassing the Proxy weren't having the problem!  I did a fresh search on the issue including the proxy idea and presto! Up came your post.  :)

I'm happy to report that as things stand currently, this seems to have resolved our issue!  :)  I am of course not putting it out of the realms of possibility that the problem isn't completely fixed - I never say never - but I'm feeling quietly confident.  :)

I should have known it would be something like this, we have all sorts of issues running things through our authenticated proxy - I just figured that MS would know about this one particularly being that lots of people are out there having the same issue.

Anyhow .. enough blabbing ... thanks heaps Peter ... you're a prince among men!!  :)

Cheers!

~Natalie.

I have a very similar issue: win 2003 R2 server as DC also running the Terminal Server role for remote RDP clients and an Exchange 2007 Std as a member server. I am testing the setup before migrating all users from the existing ISP pop-based mail system using a test Domain name. So far, I can connect from external Outlook clients using pop using the standard set up, but when I attempt to connect the RDP Outlook 2007 clients, they fail to authenticate although the autodiscover recognises the server name and user name on the internal domain. We don't have a proxy server, so your very useful information sadly doesn't help me. Any further help from your investigations would be very helpful.

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Yesterday my friend sent me couple important emails,but I couldn't received it no one knew how why. But fortunately later as things turned out my outlook password was damaged. I entered in the Internet and started seeking the tool which could be help me. I was lucky and found it - <a href="www.recoverytoolbox.com/forgot_outlook_password.html">forgot password outlook</a>,it was situated on a soft forum. The software helped me for seconds and absolutely free as far as I remember.

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