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High network usage after you implement file screening on a Windows Server 2012 R2-based Work Folders sync server

This article describes an issue that occurs on a Windows Server 2012 R2-based Work Folders sync server. You can fix this issue by using the update in this article. Before you install this update, see the Prerequisites section.
Symptoms
High network usage may occur when the File Server Resource Manager (FSRM) file screening is implemented on the Work Folders sync server to block certain file types. For example, audio or video files, image files, executables, system files, and Outlook data files.
Cause
This issue occurs because the FSRM file screening blocks the file(s) when they are transferred to the Work Folders sync server. The Work Folders service then tries to re-sync the file(s), which causes increased network usage.
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.

Note You must be running Microsoft Internet Explorer 6.0 or later.

Update detail information

Prerequisites

To apply this update, you must have April 2014 update rollup for Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 (2919355) installed in Windows Server 2012 R2.

Note This update has to be installed on the Work Folders sync server where FSRM is running.

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

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 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.
x64 Windows Server 2012 R2
File nameFile versionFile sizeDateTimePlatform
Ecsserver.mofNot applicable3,15814-Sep-201304:45Not applicable
Ecsserver_uninstall.mofNot applicable87301-Jul-201316:50Not applicable
Syncserversetting.cdxmlNot applicable2,35401-Jul-201316:50Not applicable
Syncshare.cdxmlNot applicable11,59714-Sep-201304:45Not applicable
Syncshare.psd1Not applicable73230-Jul-201318:47Not applicable
Syncshareres.dll6.2.9200.163842,04822-Aug-201311:44x64
Syncsharesrv.dll6.3.9600.182641,283,07210-Mar-201616:10x64
Syncsharesvc.configNot applicable6,89101-Jul-201316:50Not applicable
Syncsharesvc.dll6.3.9600.18264418,81610-Mar-201616:09x64
Syncsharettlib.dll6.3.9600.1826496,25615-Mar-201600:20x86
Syncsharettsvc.exe6.3.9600.18264147,45610-Mar-201617:57x64
Syncuserstatus.cdxmlNot applicable1,04701-Jul-201316:50Not applicable
Syncserversetting.cdxmlNot applicable2,35401-Jul-201316:50Not applicable
Syncshare.cdxmlNot applicable11,59714-Sep-201304:45Not applicable
Syncshare.psd1Not applicable73230-Jul-201318:47Not applicable
Syncuserstatus.cdxmlNot applicable1,04701-Jul-201316:50Not applicable

Additional file information

x64 Windows Server 2012 R2
File propertyValue
File nameAmd64_e13f8d454d63ef84ed4a76316a779508_31bf3856ad364e35_6.3.9600.18266_none_1fc6b9bad19d14fe.manifest
File versionNot applicable
File size1,080
Date (UTC)15-Mar-2016
Time (UTC)00:22
PlatformNot applicable
File nameAmd64_microsoft-windows-e..seclientsync-server_31bf3856ad364e35_6.3.9600.18266_none_685aa2044fcf8494.manifest
File versionNot applicable
File size68,693
Date (UTC)15-Mar-2016
Time (UTC)00:22
PlatformNot applicable
File nameUpdate.mum
File versionNot applicable
File size1,619
Date (UTC)15-Mar-2016
Time (UTC)00:22
PlatformNot applicable
File nameWow64_microsoft-windows-e..seclientsync-server_31bf3856ad364e35_6.3.9600.18266_none_72af4c568430468f.manifest
File versionNot applicable
File size46,621
Date (UTC)12-Mar-2016
Time (UTC)15:41
PlatformNot applicable
Properties

Article ID: 3148217 - Last Review: 05/10/2016 17:52:00 - Revision: 4.0

Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation

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