FIX: OWA cannot be accessed after you upgrade Exchange Server 2013

Symptoms

After you upgrade Microsoft Exchange Server 2013 on a server that is running Windows 2012 or Windows 2012 R2, Outlook Web App (OWA) cannot be accessed. Additionally, you receive the following error message:

Error: "Could not load file or assembly 'AntiXSSLibrary
Error: "Could not load file or assembly 'AntiXSSLibrary, Version=4.2.0.0, Culture=neutral, PublicKeyToken=d127efab8a9c114f' or one of its dependencies"


When you check the Application log, you find entries that resemble the following:

Log Name: Application
Source: ASP.NET 4.0.30319.0
Date: date time
Event ID: 1310
Task Category: Web Event
vel: Warningvel: Warning
Event code: 3008
Event message: A configuration error has occurred.

When you try to browse any of the Exchange Back End Website virtual directories, you receive the following error message:

Page cannot be displayed

Cause

This issue occurs if the upgrade post-setup process is not run for the Client Access role. In this situation, the "SharedWebConfig" file is missing on following path:

//%ExchangeInstallDir%Program Files\Microsoft\Exchange Server\V15\ClientAccess

Resolution

To fix this issue, install Cumulative Update 11 for Exchange Server 2013.

Status

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

References

Learn about the terminology that Microsoft uses to describe software updates.
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ID articol: 2968265 - Ultima examinare: 15 dec. 2015 - Revizie: 1

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