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Outlook cannot open your Exchange mailbox if your legacyExchangeDN attribute contains invalid characters

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Symptoms

When this issue occurs, you receive one of the following error messages.

In Microsoft Outlook 2010, you receive the following error message:
Cannot open your default e-mail folders. Microsoft Exchange is not available. Either there are network problems or the Exchange server is down for maintenance.

In Microsoft Outlook 2013, you receive the following error message:
Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. You must connect Exchange with the current profile before you can synchronize your folders with your Outlook data file (.ost).


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Resolution

To resolve this issue, remove any invalid characters from the legacyExchangeDN attribute of the affected user's Active Directory account.

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Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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More information

For more information about unsupported characters for Exchange Server 2010 object names, go to the following Microsoft website:
Unsupported characters for Exchange Server 2010 object names
For more information about the invalid legacyExchangeDN�attribute issue in�earlier versions of Exchange, go to the following Microsoft website:
The legacyExchangeDN attribute for the Exchange organization is invalid

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Keywords: KB2982850, kbmsg, kbtshoot, kbexpertiseinter, kbsurveynew, kbbug

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Article Info
Article ID : 2982850
Revision : 1
Created on : 7/14/2014
Published on : 7/14/2014
Exists online : False
Views : 448