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Symptoms

Assume that you have Windows Server 2008 R2 Service Pack 1 (SP1)-based servers, Windows Server 2012 R2-based servers, or Windows Server 2012-based servers that use the Distributed File System Replication (DFSR) service. You have a DFSR replication topology in your environment. In this situation, you experience a spike of backlogs on a daily or weekly basis. Additionally, in the DFSR debug log, you notice that the "GcTask::refreshrecord" entry refreshes lots of records regularly.

Cause

This issue occurs when the garbage collection task (GCTask) of DFSR refreshes the stale records. When a garbage collection task processes the version vector tombstone of a content set before the non-version vector tombstone, the task considers all the records that belong to the content set to be stale. Therefore, the records are refreshed, and the issue that is described in the "Symptoms" section occurs.

Resolution

To resolve this issue, we have released a hotfix for Windows Server 2012 or Windows Server 2008 R2, and we have released an update rollup for Windows 8.1 or Windows Server 2012 R2.

Get the update rollup for Windows Server 2012 R2

To resolve this issue, install the November 2014 update rollup for Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2.

Get the hotfix for Windows Server 2012 or Windows Server 2008 R2

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing the problem described in this article. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft website:

http://support.microsoft.com/contactus/?ws=supportNote The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

Prerequisites

To apply this hotfix, you must be running Windows Server 2008 R2 SP1.

For more information about how to obtain a Windows 7 or Windows Server 2008 R2 service pack, click the following article number to view the article in the Microsoft Knowledge Base:

976932Information about Service Pack 1 for Windows 7 and for Windows Server 2008 R2

Registry information

To apply this hotfix, you do not have to make any changes to the registry.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

The global version of this hotfix installs files that have the attributes that are listed in the following tables. The dates and the times for these files are listed in Coordinated Universal Time (UTC). The dates and the times for these files on your local computer are displayed in your local time together with your current daylight saving time (DST) bias. Additionally, the dates and the times may change when you perform certain operations on the files.

Windows Server 2012 file information notes Important Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8/Windows Server 2012" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, SR_Level (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

    6.2.920  0.16xxx

    Windows Server 2012

    RTM

    GDR

    6.2.920  0.21xxx

    Windows Server 2012

    RTM

    LDR

  • 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 separately in the "Additional file information" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x64-based versions of Windows Server 2012

File name

File version

File size

Date

Time

Platform

Dfsrprovs.mof

Not applicable

75,761

25-Jul-2012

20:12

Not applicable

Dfsrress.dll

6.2.9200.16384

2,048

26-Jul-2012

02:33

x64

Dfsrs.exe

6.2.9200.21394

4,724,736

14-Feb-2015

05:55

x64

Windows Server 2008 R2 file information notes Important Windows 7 hotfixes and Windows Server 2008 R2 hotfixes are included in the same packages. However, hotfixes on the Hotfix Request page are listed under both operating systems. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 7/Windows Server 2008 R2" on the page. Always refer to the "Applies To" section in articles to determine the actual operating system that each hotfix applies to.

  • The files that apply to a specific product, SR_Level (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

    6.1.760
    1.17xxx

    Windows Server 2008 R2

    SP1

    GDR

    6.1.760 1.22xxx

    Windows Server 2008 R2

    SP1

    LDR

  • 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 separately in the "Additional file information" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely important to maintaining the state of the updated component. The security catalog files, for which the attributes are not listed, are signed with a Microsoft digital signature.

For all supported x64-based versions of Windows Server 2008 R2

File name

File version

File size

Date

Time

Platform

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:49

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:45

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

02:01

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:58

Not applicable

Dfsrprovs.mfl

Not applicable

120,040

14-Jul-2009

02:02

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:50

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:24

Not applicable

Dfsrprovs.mfl

Not applicable

119,744

14-Jul-2009

01:54

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:57

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:50

Not applicable

Dfsrprovs.mfl

Not applicable

121,704

14-Jul-2009

02:02

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:57

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:47

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

02:01

Not applicable

Dfsrprovs.mfl

Not applicable

120,834

14-Jul-2009

02:01

Not applicable

Dfsrprovs.mfl

Not applicable

82,096

14-Jul-2009

02:10

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

03:10

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:55

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:51

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:50

Not applicable

Dfsrprovs.mfl

Not applicable

117,782

14-Jul-2009

01:52

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:45

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:53

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:54

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:47

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

02:02

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:52

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:57

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:56

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:54

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:47

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:45

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:47

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

03:04

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

01:51

Not applicable

Dfsrprovs.mfl

Not applicable

109,566

14-Jul-2009

03:04

Not applicable

Dfsrprovs.mof

Not applicable

75,761

24-Sep-2014

22:39

Not applicable

Dfsrress.dll

6.1.7601.17514

2,048

20-Nov-2010

12:57

x64

Dfsrs.exe

6.1.7601.22819

4,536,320

25-Sep-2014

02:07

x64


Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

More Information

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684Description of the standard terminology that is used to describe Microsoft software updates

Additional file information for Windows Server 2012

Additional files for all supported x64-based versions of Windows Server 2012

File property

Value

File name

Amd64_a2e13e77cc516f3acb54509df188e3ad_31bf3856ad364e35_6.2.9200.21394_none_937a8e03796c1014.manifest

File version

Not applicable

File size

712

Date (UTC)

14-Feb-2015

Time (UTC)

14:45

Platform

Not applicable

File name

Amd64_microsoft-windows-dfsr-core-serveronly_31bf3856ad364e35_6.2.9200.21394_none_f6d40c8c4ab15ca1.manifest

File version

Not applicable

File size

37,695

Date (UTC)

14-Feb-2015

Time (UTC)

14:45

Platform

Not applicable

Additional files for all supported x64-based versions of Windows Server 2008 R2

File property

Value

File name

Amd64_01db9ad6c14906203bf13a64ef838a12_31bf3856ad364e35_6.1.7601.22819_none_becef21a6a8d0c54.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_02141d5c3a0cfec77f9ae499c6ad1ac4_31bf3856ad364e35_6.1.7601.22819_none_5b785ac2b6672c21.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_03e08ac945fe4f055c620f05621637c2_31bf3856ad364e35_6.1.7601.22819_none_1bf0df94bbafe2e3.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_05ddccee1a5a51d4fd7ec0f6f452a371_31bf3856ad364e35_6.1.7601.22819_none_490fd84e51cf4c05.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_110d2cd44d9846868419d12b55b11345_31bf3856ad364e35_6.1.7601.22819_none_d8dc99b32326a4fb.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_2321e46dab0f00122b3a0763b31f3e91_31bf3856ad364e35_6.1.7601.22819_none_e009d62595eb6761.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_29fd590792153c08c20fbd05ae5c39fb_31bf3856ad364e35_6.1.7601.22819_none_94489253ff6f5eab.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_2cc6838667581eef164144bfa8e93292_31bf3856ad364e35_6.1.7601.22819_none_e6067d372ea86655.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_2df008ec3faa3f17557a7278feb5c5b7_31bf3856ad364e35_6.1.7601.22819_none_a2b09159f5c2a11f.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_35ad52ef999caa7d78884feaa01f2856_31bf3856ad364e35_6.1.7601.22819_none_2df0d009e67aaf2c.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_5a8627635fc4abd0f1348d6fd1a81488_31bf3856ad364e35_6.1.7601.22819_none_abae2b90b743b8b2.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_5f60d398be010535197717075f8da80f_31bf3856ad364e35_6.1.7601.22819_none_8be533bb5c5b36e3.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_68f3662eda5b15fe46e11b52d4c0d205_31bf3856ad364e35_6.1.7601.22819_none_b7e415f85a69221b.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_7d9782c0e4be35d2bf179e1bef85cb85_31bf3856ad364e35_6.1.7601.22819_none_a61f178a2f1e61d3.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_81d4222b0d4ca63fef6da278f3e24f2f_31bf3856ad364e35_6.1.7601.22819_none_6dc6c8aa77bd9593.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_8436d94468da9514e5856df7ec25b47e_31bf3856ad364e35_6.1.7601.22819_none_a57ac98ac98f0e6f.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_865a52d55d5e697bf55ac1e2a9cfda84_31bf3856ad364e35_6.1.7601.22819_none_aa5085fd7bcd8309.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_8ab745931fb4bd748f3b2ad74adfb510_31bf3856ad364e35_6.1.7601.22819_none_e3622a02b5939bcd.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_8b1da544229f527b10d84f672dc7eaba_31bf3856ad364e35_6.1.7601.22819_none_9f325069853099ef.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_8d5b52860a1edfd6c8c6c9f269d538e8_31bf3856ad364e35_6.1.7601.22819_none_fb821bf4c6420127.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_a10d15ee9e090edc72c25c3efead3256_31bf3856ad364e35_6.1.7601.22819_none_c20a4f766f3dd9a3.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_a1ef940053e72ea63b58da31cd25bc6d_31bf3856ad364e35_6.1.7601.22819_none_0562bc5f0d8f9cae.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_a705903954c77f4c28a88ed2a2804d9a_31bf3856ad364e35_6.1.7601.22819_none_ba532e006ed50eda.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_ae5be3204bee7c79de6b90d0e51fb3ba_31bf3856ad364e35_6.1.7601.22819_none_28ffb84c04ad661c.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_b0ef19dc10bb2e184e14a70edfd81095_31bf3856ad364e35_6.1.7601.22819_none_983c0f4704a3f5d7.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_c02d2c086fc4277166f4c9ace3910c91_31bf3856ad364e35_6.1.7601.22819_none_5db482199dc74a2f.manifest

File version

Not applicable

File size

712

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_c2957a5015b108280bdfa47651663186_31bf3856ad364e35_6.1.7601.22819_none_930e5cc9976ff003.manifest

File version

Not applicable

File size

725

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_c7403935ee4a7c92fd51e3de23210e8b_31bf3856ad364e35_6.1.7601.22819_none_9dcf5bdc8ae4d96c.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_caf35d8d7702408338e671cf607c0c1e_31bf3856ad364e35_6.1.7601.22819_none_34e5783acc5856ad.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_cbbe0ab152fc312d0b2773977ff7cb84_31bf3856ad364e35_6.1.7601.22819_none_06b6e1c795b0c552.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_d431a35dd2651df87faec371accfea49_31bf3856ad364e35_6.1.7601.22819_none_e041e7aee8d7cc6e.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_d788088368968b01291728786c3a854a_31bf3856ad364e35_6.1.7601.22819_none_f0e12433dfcc87fd.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_e0037c3650d4a8c118cd329bbe4f5f05_31bf3856ad364e35_6.1.7601.22819_none_641a574c43982ffc.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_ea9f279f33a45ed4715b3c1f1f202e6a_31bf3856ad364e35_6.1.7601.22819_none_6b652ef93257a07f.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_eade7ddca7d9d3613971d11406070d0d_31bf3856ad364e35_6.1.7601.22819_none_ccf093d463769fe1.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_f2e94af1ddda61c74d255ae681deec0a_31bf3856ad364e35_6.1.7601.22819_none_ca03397451a583d9.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_fb443ef94cf64b1260451ede9923753f_31bf3856ad364e35_6.1.7601.22819_none_b2670633e867471b.manifest

File version

Not applicable

File size

720

Date (UTC)

25-Sep-2014

Time (UTC)

06:14

File name

Amd64_microsoft-windows-dfsr-core-serveronly_31bf3856ad364e35_6.1.7601.22819_none_fc4041a6d7800b22.manifest

File version

Not applicable

File size

35,681

Date (UTC)

25-Sep-2014

Time (UTC)

06:14


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