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Exchange email password will not work for one user

Posted on 2012-03-28
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Last Modified: 2012-04-18
We have Exchange 2007 on a Windows Server 2008. The Active Directory is on another server, but the user in question can log into the domain just fine. Rules out AD. It started two days ago when the user couldn't sync his iPhone 4G with his Exchange account, then tried online with OWA on his MAC laptop and gets, "Outlook Web Access could not connect to Microsoft Exchange."
At first thought it was an Apple issue, but yesterday while trying to fix it, his work computer will not connect to the exchange server. When entering the username and password it just keeps re-prompting and will never gain access.
I have tried;
Resetting the password (works just fine logging into the domain, among other things.)
I have deleted the account on his computer and tried redoing it with his and my account.
           -   His account successfully finds his user but spins out with the password.
           -   My account works successfully.
So it seems to be only his account within the Exchange Server.

There have been no recent updates  on any of the systems involved and it has been working for at least 4 months on all the devices listed. Take the iphone out of the equation and its been working fine for years.
I'm out of ideas.
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Question by:bookbyte
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3 Comments
 
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Expert Comment

by:abdulalikhan
ID: 37781096
Have you tried configuring his account on some other PC?

You need to enable outlook trouble shooting and see the logs. Also check the event viewer on Client and CAS server to check if their are any events related to this user. Are you receiving any error messages.
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Accepted Solution

by:
bookbyte earned 0 total points
ID: 37787717
I don't know how it happened but it was a permissions issue. We had to remove permissions and then reset them back up. Something was crossed up on the server. It all seems to be working now though, Thanks.
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Author Closing Comment

by:bookbyte
ID: 37859694
There were no errors listed on the server and none of the comments worked as a solution.
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