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Symptoms

You have an iSCSI storage area network (SAN) that's running Windows Server 2012 R2. When you use a high-speed network for the SAN server (10 gigabytes per second, for example), the server restarts unexpectedly.

Resolution

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

The update rollup fixes many other issues in addition to the issue that the hotfix fixes. We recommend that you use the update rollup. The update rollup is larger than the hotfix. Therefore, the update rollup takes longer to download.

Get the update rollup for Windows 8.1 or Windows Server 2012 R2To resolve this issue, install the update rollup that is dated November 2014.

Get the November 2014 update rollup for Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2

Get the hotfix for Windows 8.1 or Windows Server 2012 R2A supported hotfix is available from Microsoft Support. 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, go to 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 update, you must first have update 2919355 installed in Windows 8.1 or Windows Server 2012 R2.

Restart requirementYou must restart the computer after you apply this hotfix.

Hotfix replacement informationThis hotfix does not replace any previously released hotfix.

The English (United States) 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 8.1 and Windows Server 2012 R2 file information and notesImportant Windows 8.1 and Windows Server 2012 R2 hotfixes are included in the same packages. However, only "Windows 8.1" is listed on the Hotfix Request page. To request the hotfix package that applies to one or both operating systems, select the hotfix that is listed under "Windows 8.1" 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, 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 0.16 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

    6.3.960 0.17 xxx

    Windows 8.1 and Windows Server 2012 R2

    RTM

    GDR

  • The MANIFEST files (.manifest) and the MUM files (.mum) that are installed for each environment are listed separately in the "Additional file information for Windows 8.1 and Windows Server 2012 R2" section. MUM and MANIFEST files, and the associated security catalog (.cat) files, are extremely 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.

For all supported x86-based versions of Windows 8.1

File name

File version

File size

Date

Time

Platform

Iscsilog.dll

6.3.9600.16384

16,384

22-Aug-2013

04:16

x86

Msiscsi.sys

6.3.9600.17393

239,936

07-Oct-2014

04:12

x86

For all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File name

File version

File size

Date

Time

Platform

Iscsilog.dll

6.3.9600.16384

16,384

22-Aug-2013

11:44

x64

Msiscsi.sys

6.3.9600.17393

275,776

07-Oct-2014

06:54

x64

Additional file information for Windows 8.1 and for Windows Server 2012 R2

Additional files for all supported x86-based versions of Windows 8.1

File property

Value

File name

X86_iscsi.inf_31bf3856ad364e35_6.3.9600.17393_none_d157a33d0f4963a7.manifest

File version

Not applicable

File size

2,736

Date (UTC)

08-Oct-2014

Time (UTC)

08:07

Platform

Not applicable

Additional files for all supported x64-based versions of Windows 8.1 and Windows Server 2012 R2

File property

Value

File name

Amd64_iscsi.inf_31bf3856ad364e35_6.3.9600.17393_none_2d763ec0c7a6d4dd.manifest

File version

Not applicable

File size

2,740

Date (UTC)

08-Oct-2014

Time (UTC)

08:01

Platform

Not applicable


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.

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