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.

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:

    Version

    Product

    Milestone

    Service branch

    6.3.960 0.18 xxx

    Windows Server 2012 R2

    RTM

    GDR

  • 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 name

File version

File size

Date

Time

Platform

Ecsserver.mof

Not applicable

3,158

14-Sep-2013

04:45

Not applicable

Ecsserver_uninstall.mof

Not applicable

873

01-Jul-2013

16:50

Not applicable

Syncserversetting.cdxml

Not applicable

2,354

01-Jul-2013

16:50

Not applicable

Syncshare.cdxml

Not applicable

11,597

14-Sep-2013

04:45

Not applicable

Syncshare.psd1

Not applicable

732

30-Jul-2013

18:47

Not applicable

Syncshareres.dll

6.2.9200.16384

2,048

22-Aug-2013

11:44

x64

Syncsharesrv.dll

6.3.9600.18264

1,283,072

10-Mar-2016

16:10

x64

Syncsharesvc.config

Not applicable

6,891

01-Jul-2013

16:50

Not applicable

Syncsharesvc.dll

6.3.9600.18264

418,816

10-Mar-2016

16:09

x64

Syncsharettlib.dll

6.3.9600.18264

96,256

15-Mar-2016

00:20

x86

Syncsharettsvc.exe

6.3.9600.18264

147,456

10-Mar-2016

17:57

x64

Syncuserstatus.cdxml

Not applicable

1,047

01-Jul-2013

16:50

Not applicable

Syncserversetting.cdxml

Not applicable

2,354

01-Jul-2013

16:50

Not applicable

Syncshare.cdxml

Not applicable

11,597

14-Sep-2013

04:45

Not applicable

Syncshare.psd1

Not applicable

732

30-Jul-2013

18:47

Not applicable

Syncuserstatus.cdxml

Not applicable

1,047

01-Jul-2013

16:50

Not applicable


x64 Windows Server 2012 R2

File property

Value

File name

Amd64_e13f8d454d63ef84ed4a76316a779508_31bf3856ad364e35_6.3.9600.18266_none_1fc6b9bad19d14fe.manifest

File version

Not applicable

File size

1,080

Date (UTC)

15-Mar-2016

Time (UTC)

00:22

Platform

Not applicable

File name

Amd64_microsoft-windows-e..seclientsync-server_31bf3856ad364e35_6.3.9600.18266_none_685aa2044fcf8494.manifest

File version

Not applicable

File size

68,693

Date (UTC)

15-Mar-2016

Time (UTC)

00:22

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,619

Date (UTC)

15-Mar-2016

Time (UTC)

00:22

Platform

Not applicable

File name

Wow64_microsoft-windows-e..seclientsync-server_31bf3856ad364e35_6.3.9600.18266_none_72af4c568430468f.manifest

File version

Not applicable

File size

46,621

Date (UTC)

12-Mar-2016

Time (UTC)

15:41

Platform

Not applicable


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