Exchange KB2802371: Errors in the OWA or you cannot download the OAB if HTTP redirections are configured incorrectly in an Exchange Server 2010 environment

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Вышел очередной KB для Exchange Server: KB2802371

Errors in the OWA or you cannot download the OAB if HTTP redirections are configured incorrectly in an Exchange Server 2010 environment

 

Symptoms:

The following issues occur in a Microsoft Exchange Server 2010 environment.


Issue 1

Assume that you try to move or delete an email message, or click hyperlinks in the Outlook Web App (OWA). In this situation, you receive the following error message:

An unexpected error occurred and your request couldn’t be handled.

Issue 2

When you use the OWA, you receive an HTTP Error 12031, or Microsoft Forefront Threat Management Gateway (TMG) errors.

Issue 3

When you try to download the Offline Address Book (OAB), the download fails.

 

Cause:

These issues occur because an HTTP redirection that is configured by using Internet Information Services (IIS) Manager unexpectedly redirects requestsfrom the OWA virtual directory or OAB virtual directory to itself.

 

Resolution:

To resolve these issues, remove HTTP redirection from the OWA virtual directory and the OAB virtual directory. For more information about how to remove redirection from a virtual directory and correctly configure the IIS for the OWA or OAB, go to the following Microsoft website:

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