Data scrubbing jobs freeze and fail in Windows Server 2012 R2

This article describes a problem that occurs if you enable data deduplication and then run a data scrubbing job on a deduplicated volume in Windows Server 2012 R2. An update is available to fix this issue. Before you install this update, see the Prerequisites section.

Symptoms

Assume that you have a computer that's running Windows Server 2012 R2, and you have enabled data deduplication in one or more volumes on your system. When you run a data scrubbing job on a deduplicated volume, the job may freeze or fail. 

Cause

This problem occurs because redundant actions were performed during data scrubbing.

How to get this update

Important If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.

Method 1: Windows Update

This update is provided as a Recommended update on Windows Update. For more information on how to run Windows Update, see How to get an update through Windows Update.

Method 2: Microsoft Download Center

The following files are available for download from the Microsoft Download Center.
 
Operating systemUpdate
All supported x64-based versions of Windows Server 2012 R2Download Download the package now.
For more information about how to download Microsoft support files, select the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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Update detail information

Prerequisites

To install this update, install April 2014, update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) in Windows Server 2012 R2.

Registry information

To apply this update, you don't have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this update.

Update replacement information

This update doesn't replace a previously released update.

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.

File Information

The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.
Windows Server 2012 R2
Additional file information
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文書番号:3127060 - 最終更新日: 2016/03/08 - リビジョン: 1

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