Symptoms

Consider the following scenario:

  • You install Windows Server 2008 on an iSCSI storage device that is enabled with multipath I/O (MPIO) paths.

  • You start the computer by using the iSCSI storage device as the boot device.

  • You disconnect the primary path.

In this scenario, instead of failing over to a secondary path, the system becomes unresponsive. Specifically, you experience the following symptoms:

  • The Start menu disappears.

  • The system clock stops refreshing.

  • Windows do not receive the focus when you click them.

Resolution

Hotfix information

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 Web site:

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

No prerequisites are required.

Restart requirement

You must restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace any other hotfixes.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time item in Control Panel.

Windows Server 2008 file information notes

  • The files that apply to a specific product, milestone (RTM,SPn), and service branch (LDR, GDR) can be identified by examining the fileversion numbers as shown in the following table.

    Version

    Product

    Milestone

    Service branch

    6.0.6001.18xxx

    Windows Server 2008SP1

    SP1

    GDR

    6.0.6001.22xxx

    Windows Server 2008SP1

    SP1

    LDR

  • Service Pack 1 is integrated into Windows Server 2008.

  • The MANIFEST files (.manifest) and MUM files (.mum)installed for each environment are listed separately. MUM and MANIFEST files, andthe associated security catalog (.cat) files, are critical to maintaining thestate of the updated component. The security catalog files (attributes notlisted) are signed with a Microsoft digital signature.

For all supported 32-bit versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Iscsi.inf

Not Applicable

7,436

13-Jan-2009

23:42

Not Applicable

Iscsilog.dll

6.0.6001.22353

16,384

14-Jan-2009

02:15

x86

Msiscsi.sys

6.0.6001.22353

180,704

14-Jan-2009

04:34

x86

For all supported 64-bit versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Iscsi.inf

Not Applicable

7,444

13-Jan-2009

23:43

Not Applicable

Iscsilog.dll

6.0.6001.22353

16,384

14-Jan-2009

02:49

x64

Msiscsi.sys

6.0.6001.22353

215,008

14-Jan-2009

05:09

x64

For all supported Itanium-based versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Iscsi.inf

Not Applicable

7,440

13-Jan-2009

23:43

Not Applicable

Iscsilog.dll

6.0.6001.22353

16,384

14-Jan-2009

02:42

IA-64

Msiscsi.sys

6.0.6001.22353

494,560

14-Jan-2009

04:45

IA-64

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:

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

Additional file information for Windows Server 2008

Additional files for all supported 32-bit versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Package_1_for_kb961570~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,805

14-Jan-2009

21:06

Not Applicable

Package_2_for_kb961570~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,972

14-Jan-2009

21:06

Not Applicable

Package_3_for_kb961570~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,810

14-Jan-2009

21:06

Not Applicable

Package_4_for_kb961570~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,810

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_client_1~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,367

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_client~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,431

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc_0~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,421

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,423

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server_0~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,425

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,431

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv_0~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,422

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv~31bf3856ad364e35~x86~~6.0.1.0.mum

Not Applicable

1,429

14-Jan-2009

21:06

Not Applicable

X86_iscsi.inf_31bf3856ad364e35_6.0.6001.22353_none_3d1a578d0cea2400.manifest

Not Applicable

2,250

14-Jan-2009

21:08

Not Applicable

Additional files for all supported 64-bit versions of Windows Server 2008

File name

File version

File size

Date

Time

Platform

Amd64_iscsi.inf_31bf3856ad364e35_6.0.6001.22353_none_9938f310c5479536.manifest

Not Applicable

2,252

14-Jan-2009

21:10

Not Applicable

Package_for_kb961570_client_1~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,375

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_client~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,439

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc_0~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,429

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,431

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server_0~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,433

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,439

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv_0~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,430

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv~31bf3856ad364e35~amd64~~6.0.1.0.mum

Not Applicable

1,437

14-Jan-2009

21:06

Not Applicable

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

File name

File version

File size

Date

Time

Platform

Ia64_iscsi.inf_31bf3856ad364e35_6.0.6001.22353_none_3d1bfb830ce82cfc.manifest

Not Applicable

2,251

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,425

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_sc~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,426

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,429

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_server~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,434

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv_0~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,426

14-Jan-2009

21:06

Not Applicable

Package_for_kb961570_winpesrv~31bf3856ad364e35~ia64~~6.0.1.0.mum

Not Applicable

1,433

14-Jan-2009

21:06

Not Applicable

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