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Outlook 2003 client cannot connect to Exchange 2010 mailbox after client power fail.

Posted on 2014-10-23
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Last Modified: 2014-10-29
An outlook client was connected to Exchange 2010 when the power cord to the client machine was pulled. Now the client gets an error "Unable to open your default e-mail folders. The Microsoft Exchange Server computer is not available. Either there are network problems or the Microsoft Exchange Server computer is down for maintenance. (/0=......). Neither of the above conditions exist. The client can ping the Exchange server and can access all network resources. I deleted and recreated the user's mail profile. I also cannot connect to the mailbox from any other machine via outlook. I am able to create a mail profile for another active mailbox on this client machine and it connects ok.  I am able to access the errant mailbox via OWA. It appears that the mailbox on the Exchange server has somehow disabled MAPI access. I checked the mailbox properties and disabled and then re enabled the MAPI protocol, still not good. Cache mode is disabled on the client.
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Question by:GreenWingRider
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by:Larry Struckmeyer MVP
ID: 40400858
Is the mailbox accessible via OWA?
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by:VB ITS
ID: 40401091
Try performing a mailbox repair to see if it'll fix the issue: http://technet.microsoft.com/en-us/library/ff625221%28v=exchg.141%29.aspx
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Accepted Solution

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GreenWingRider earned 0 total points
ID: 40402094
Yes, as I stated above it is accessible via OWA.

My plan was to reboot the Exchange server after hours last night. However, before I did that I tested it again and it was working. So I am not sure what the problem was but it is fixed for now.

Thank You Larry and VB ITS for you response.
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Author Closing Comment

by:GreenWingRider
ID: 40410210
The problem resolved on its own.
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