Description of the Office Web Apps Server update: March 12, 2013

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INTRODUCTION

Microsoft has released an update for Microsoft Office Web Apps Server. This update provides the latest fixes for Office Web Apps Server. Additionally, this update contains stability and performance improvements.

Known Issue

This update was released as a critical update on Microsoft Windows Update on March 12, 2013. If the Automatic Update feature was enabled on your computer, this update was installed automatically. If this update was installed, you are experiencing an issue in which Office Web Apps Server crashes. This issue occurs when the Automatic Update feature is enabled on the Office Web Apps Server server.

The Microsoft Windows Update setting for the Automatic Update feature for this update was changed on March 22, 2013. We do not recommended that you enable the Automatic Update feature for Office Web Apps Server. The change to the Windows Update setting enables IT administrators to apply the update by using the steps that are described in the following Microsoft TechNet article:

Apply software updates to Office Online Server

Issue that this update fixes

Assume that multiple Microsoft Office 2010 users coauthor a file that is stored in Office Web Apps Server. When one user times out, other users cannot remove the user that timed out from an editor table in the stored file.

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Resolution

Installation details

How to obtain and install the update

To get the stand-alone package for this update, go to the Microsoft Update Catalog website.

For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:

119591 How to obtain Microsoft support files from online services

Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

How to determine whether the update is installed

This update contains the file that is listed in the following table:

File name	File version	File size	Date	Time
Wacserver-x-none.msp	Not Applicable	632,856,576	26-Feb-13	21:55

The Office System TechCenter contains the latest administrative updates and strategic deployment resources for all versions of Office. For more information about the Office System TechCenter, go to the following Microsoft website:

IT support and resources for Microsoft Office

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