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Microsoft Exchange is requiring FQD Name for webmail access?

Posted on 2008-06-23
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Last Modified: 2012-05-05
We are running Microsoft Exchange 2003.  Our webmail users are having to put in emaill address for user name in order to log into webmail.  We use to just have to put in user name without the full email address.  Has anyone else had this problem before?
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Question by:rodken
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Expert Comment

by:LeeDerbyshire
ID: 21847478
It's actually the User Principal Name that they are supplying.  This is usually the same as the email address, but not always.  Does it help if they log in with DOMAIN\USERNAME instead of just USERNAME ?
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Author Comment

by:rodken
ID: 21847506
If they type domain\username it does work.  But we want them to be able to just type in user name like it used to.  This just all the sudden happen, and we don't know why.
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Expert Comment

by:LeeDerbyshire
ID: 21847569
Go into Exchange System Manager, then into Servers/Protocols/HTTP until you find the Exchange Virtual Directory (not the Virtual Server).  In the Authentication properties, configure the Default Domain.  This is usually set to \ , but if that does not work, it might help to type in your domain name.  If it is all greyed out, then you have Forms-based Auth enabled, which is a problem, since it is supposed to take care of this itself, and there is nothing to configure.
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Author Comment

by:rodken
ID: 21847821
When in the Authentication properties.  Our Default Domain is already in there.
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Expert Comment

by:LeeDerbyshire
ID: 21851709
Do you have Forms-based Authentication (the blue logon page) enabled?
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Author Comment

by:rodken
ID: 21855666
Forms-based Authentication is not enabled.
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Expert Comment

by:LeeDerbyshire
ID: 21855831
Okay, thanks.  In the Authentication properties you found earlier, can you replace the domain name with the backslash \ .  It might take a few minutes for changes you make in ESM to transfer to IIS.
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Author Comment

by:rodken
ID: 21856765
I have put it back to the backslash, and I am still having the problem.
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LeeDerbyshire earned 500 total points
ID: 21856924
Do you actually have Basic Auth still enabled?  Having only Integrated Auth will always require the domain name.  The default setting is to have both Integrated and Basic enabled.
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Author Closing Comment

by:rodken
ID: 31469799
All i needed to do was check the check box.  thanks for all your help.
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