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MinDiffAreaFileSize registry value limit is increased from 3 GB to 50 GB in Windows 8.1 or Windows Server 2012 R2

View products that this article applies to.

This article describes an update that increases the MinDiffAreaFileSizeregistry key value limit from 3 GB to 50 GB in Windows 8.1 or Windows Server 2012 R2. Before you install this update, see the Prerequisites section.

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Symptoms

You may encounter an Event ID: 25 error because of heavy I/O. 

Event Type: Error
Event Source: VolSnap
Event Category: None
Event ID: 25
Description: The shadow copies of volume Volume_Name were aborted because the diff area file could not grow in time. Consider reducing the IO load on this system to avoid this problem in the future.

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Resolution

To fix this issue, install the update and then set the MinDiffAreaFileSize registry key to an appropriate size depending on the I/O amount.

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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 Update Catalog

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

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Update detail information

Prerequisites

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

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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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References

Learn about the terminology that Microsoft uses to describe software updates.

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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 8.1, Windows RT 8.1 and Windows Server 2012 R2
Notes
  • The files that apply to a specific product, milestone (RTM, SPn), and service branch (LDR, GDR) can be identified by examining the file version numbers as shown in the following table:
    VersionProductMilestoneService branch
    6.3.960 0.18 xxxWindows RT 8.1, Windows 8.1, and Windows Server 2012 R2RTMGDR
  • GDR service branches contain only those fixes that are widely released to address widespread, critical issues. LDR service branches contain hotfixes in addition to widely released fixes.
  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed in the "Additional file information" section. MUM, MANIFEST, and the associated security catalog (.cat) files, are very important to maintain the state of the updated components. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.
Windows RT 8.1
File nameFile versionFile sizeDateTimePlatform
Volsnap.sys6.3.9600.18265244,58414-Mar-201617:01Not applicable
x86 Windows 8.1
File nameFile versionFile sizeDateTimePlatform
Volsnap.sys6.3.9600.18265265,04814-Mar-201616:55x86
x64 Windows 8.1 and Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Volsnap.sys6.3.9600.18265316,76014-Mar-201616:50x64
Additional file information
Windows RT 8.1
File propertyValue
File nameArm_volume.inf_31bf3856ad364e35_6.3.9600.18266_none_aa705f561799dfb8.manifest
File versionNot applicable
File size2,103
Date (UTC)14-Mar-2016
Time (UTC)17:10
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,585
Date (UTC)14-Mar-2016
Time (UTC)17:10
PlatformNot applicable
x86 Windows 8.1
File propertyValue
File nameUpdate.mum
File versionNot applicable
File size1,585
Date (UTC)14-Mar-2016
Time (UTC)17:10
PlatformNot applicable
File nameX86_volume.inf_31bf3856ad364e35_6.3.9600.18266_none_aa6decfe179cc0f2.manifest
File versionNot applicable
File size2,103
Date (UTC)14-Mar-2016
Time (UTC)17:14
PlatformNot applicable
x64 Windows 8.1 and Windows Server 2012 R2
File propertyValue
File nameAmd64_volume.inf_31bf3856ad364e35_6.3.9600.18266_none_068c8881cffa3228.manifest
File versionNot applicable
File size2,107
Date (UTC)14-Mar-2016
Time (UTC)17:18
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,593
Date (UTC)14-Mar-2016
Time (UTC)17:10
PlatformNot applicable

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Keywords: kb, kbsurveynew, kbfix, kbexpertiseadvanced, atdownload

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Article Info
Article ID : 3145384
Revision : 1
Created on : 1/7/2017
Published on : 5/10/2016
Exists online : False
Views : 264