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Outlook 2010 client does not connect to 2003 Exchnage server

Posted on 2011-03-14
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Last Modified: 2013-02-13
I have a few new Outlook 2010 clients .. They have an issue where at random times they start Outlook and it starts to connect, goes almost immediately to "DISCONNECTED".

From the machine I can ping server by host or IP ... can login to OWA  and all other resources .. seems limited to Outlook client  
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Question by:kjw5300
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by:e_aravind
ID: 35137466
Outlook connection issues with Exchange 2010 mailboxes because of the RPC encryption requirement
http://support.microsoft.com/kb/2006508
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by:kjw5300
ID: 35137771

 .. the client is 2010, the server is 2003 ...
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e_aravind earned 2000 total points
ID: 35137944
my bad...

got a chance to check the below URL?
Turned out to be a password authentication-related issue, resolved it by the following:
Account Settings>Change>More Settings>Security>Change "Negotiate Authentication" to "Password Authentication(NTLM)".

http://social.technet.microsoft.com/Forums/en-GB/outlook/thread/ee139ec8-eba5-4bcb-bf0c-0d6bbe907914
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