This article describes issues in which Data Protection Manager (DPM) filter driver can't track changes on Cluster Shared Volumes (CSV) or virtual machine (VM) configuration resource online fails due to invalid resource state in Windows Server 2012 R2. An update is available to fix these issues. Before you install this update, see the Prerequisites section.

Issue 1

Assume that you use Microsoft Data Protection Manager to back up Hyper-V VMs that are hosted on a CSV volume. When you restart a node in the Hyper-V cluster, the DPM replicas for those data sources become inconsistent.

The replicas become inconsistent because the DPMFilter.sys file can't track the changed blocks on the CSV volume. The reason why the tracking of blocks get corrupted is that DPMs Minifilter (and all other Minifilters) can't complete their cleanup-code before the CSV volume is unmounted on a node that is currently being restarted. The same problem occurs if you stop the cluster service on any node as this also unmounts the CSV volume on that node.

Issue 2

When a provider resource is being stuck in the WaitingToTerminate state because of storage or network issues, the resource group doesn't allow group online, offline, or moving because this resource group can't reach a stable state.  

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 system

Update

All supported x64-based versions of Windows Server 2012 R2

Download 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 Microsoft scanned this file for viruses. Microsoft used the most current virus-detection software that was available on the date that the file was posted. The file is stored on security-enhanced servers that help prevent any unauthorized changes to the file.

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 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.

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

Clussvc.exe

6.3.9600.18227

7,534,592

03-Feb-2016

15:15

x64

Csvfs.sys

6.3.9600.18227

676,864

03-Feb-2016

15:00

x64


x64 Windows Server 2012 R2

File property

Value

File name

Amd64_663b204c8810541c52610890c4cf14f2_31bf3856ad364e35_6.3.9600.18227_none_3ff9f2dbf06f7c73.manifest

File version

Not applicable

File size

718

Date (UTC)

03-Feb-2016

Time (UTC)

22:38

Platform

Not applicable

File name

Amd64_9c483acbbef0ca8f80e35d6804e57543_31bf3856ad364e35_6.3.9600.18227_none_4329c6b826a82e1b.manifest

File version

Not applicable

File size

1,072

Date (UTC)

03-Feb-2016

Time (UTC)

22:38

Platform

Not applicable

File name

Amd64_microsoft-windows-f..overcluster-clussvc_31bf3856ad364e35_6.3.9600.18227_none_aac3ba48754fae8e.manifest

File version

Not applicable

File size

9,346

Date (UTC)

03-Feb-2016

Time (UTC)

17:05

Platform

Not applicable

File name

Amd64_microsoft-windows-f..rcluster-csvfs-core_31bf3856ad364e35_6.3.9600.18227_none_c738e73a3331a930.manifest

File version

Not applicable

File size

3,087

Date (UTC)

03-Feb-2016

Time (UTC)

17:05

Platform

Not applicable

File name

Update.mum

File version

Not applicable

File size

1,595

Date (UTC)

03-Feb-2016

Time (UTC)

22:38

Platform

Not applicable

File name

Wow64_microsoft-windows-f..overcluster-clussvc_31bf3856ad364e35_6.3.9600.18227_none_b518649aa9b07089.manifest

File version

Not applicable

File size

6,410

Date (UTC)

03-Feb-2016

Time (UTC)

16:44

Platform

Not applicable


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