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OWA requires me to login twice??

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OWA requires me to login twice?? - 17.Sep.2008 3:40:18 PM   


Posts: 102
Joined: 18.Mar.2008
Status: offline
So when I type in my URL for my OWA the url shows this:


Then i enter in the domain\user and password and it brings me the same sign in page again....if I login again at this window then it brings me to the user interface....the second sign in URL shows this:


Now i do notice on the bottom of the sign in window it says:

Connected to Microsoft Exchange

Secured by Microsoft Internet Security and Acceleration Server

and on the next sign in window it just says "Connected to Microsoft exchange"


< Message edited by stevenjwilliams83 -- 6.Nov.2008 4:50:54 PM >
Post #: 1
RE: OWA requires me to login twice?? - 17.Sep.2008 5:58:40 PM   
John Weber


Posts: 1236
Joined: 20.Apr.2005
From: Portland, Oregon
Status: offline
sounds like something is ... wrong ... with the pass through authentication on the web publisher on the ISA.


John Weber [Lync MVP] http://tsoorad.blogspot.com

(in reply to stevenjwilliams83)
Post #: 2
RE: OWA requires me to login twice?? - 26.Oct.2008 10:45:24 PM   


Posts: 1
Joined: 26.Oct.2008
Status: offline
I also have this IDENTICAL problem.

Requires you to login twice, on the second attempt it opens OWA correctly.

I am using SSL and Basic Authentication.

Does anyone have a fix for this? Its rather annoying and management are less than happy with an annoying bug like this.

Ive deleted and republished OWA in ISA, with still the same problems.

< Message edited by klinkeye -- 26.Oct.2008 10:46:48 PM >

(in reply to John Weber)
Post #: 3
RE: OWA requires me to login twice?? - 26.Oct.2008 11:25:03 PM   
Elan Shudnow


Posts: 897
Joined: 4.Jan.2007
From: Chicago, IL
Status: offline
Server Configuration > Client Access.  Enable Basic Authentication for OWA.  The reason this is happening is because you authenticate through ISA, FBA is enabled on OWA, so it has you authenticate directly.  If you turn on basic authentication, once you authenticate to ISA, it'll allow the ISA to use basic authentication delegation on the rule to seamlessly authenticate you without prompting you again.


Elan Shudnow
Exchange MVP

(in reply to klinkeye)
Post #: 4

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