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Outlook 2007 Prompting For Password

Posted on 2011-02-10
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Last Modified: 2012-08-13
Server: 2003 R2 SP2 running Exchange 2007 SP3
Client: Windows 7 professional running Office 2007

I'm having an issue with my Windows 7 clients getting prompted for password in Outlook when off-site. It doesn't matter if they are connected using RPC over HTTP or the Cisco VPN client. If the user enters the password it prompts them again over and over.
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Question by:CorpTechLLC
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Expert Comment

by:RagnarH
ID: 34864842
By default, Outlook anywhere will prompt a user for credentials using the server\username format.
This will not work; the user name must be specified in the domain\username format.

Example: Exchange server is EX2K7, domain is MYDOMAIN.
Outlook will prompt for login to   EX2K7\username.
This has to be changed to MYDOMAIN\username.

Other than that, the most common problems with Outlook Anywhere usually involve the client not trusting the Exchange servers certificates.  Are you using self-signed certificates?  Are these remote computers joined to the domain?
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Expert Comment

by:DarinTCH
ID: 34864925
concur -


if using self-signed...
you can push a cert to all end users PCs/laptops
use GPO to deply or another deployment mechanism
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Author Comment

by:CorpTechLLC
ID: 34865104
I am using a 3rd Party UCC Cert. I'm not having this issue on XP workstations running Outlook 07.
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Expert Comment

by:BCipollone
ID: 34865344
Make sure the authentication on that proxy setting is set to NTLM and not basic.
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BCipollone earned 500 total points
ID: 34865349
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by:CorpTechLLC
ID: 34910292
I can't even setup a users outlook over VPN or autodiscover on Windows 7. Tried turning off the firewall and have no AV installed.
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Author Comment

by:CorpTechLLC
ID: 34910929
If I do the same process on an XP Pro workstation with Office 2007 it works just fine. Able to setup Outlook and browse fileshares.
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Expert Comment

by:Glen Knight
ID: 35145475
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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