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Has anyone run into Outlook 2010 & Exchange 07 constantly needing a login authentication?

Posted on 2011-04-19
Medium Priority
Last Modified: 2012-05-11
Has anyone run into Outlook 2010 & Exchange 07 constantly needing a login authentication?
Question by:ITncga
LVL 18

Accepted Solution

Don S. earned 1500 total points
ID: 35430226
Yes.  In our case it was a bad MS update sent out december 16 and then supposedly fixed January 15 2011.  the update messes with outlook 2007 HTTP connection settings - forcing basic authentication which will constantly prompt for credentials.  With the update in place, it keeps returning the settings to basic instead of ntlm.  The fix is to remove the update and then change the http connection setting in outlok back to ntlm authentication.  The bad update is KB-2412171 - look for it a nd remove it.
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Expert Comment

ID: 35430699
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ID: 35430707

Author Closing Comment

ID: 35695653
Did not solve my issue but gave me some insight.  Thank you

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