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Symptoms

Consider the following scenario:

  • You have a Windows domain, for which the DNS label contains only a single character.

  • You install the iSCSI Target role service on a domain member that runs Windows Server 2012.

  • You try to create an iSCSI virtual disk that uses either the iSCSI PowerShell cmdlet or the "New iSCSI Virtual Disk" wizard.

In this scenario, you receive the following error message:

Unable to connect to the computer.

The iSCSI Target role service runs a verification of the server DNS name before it connects. This verification fails for domains that contain a single character DNS label.

How to obtain the hotfix

To resolve this issue, we have released a hotfix for Windows Server 2012 and Windows 8.

Note To resolve this issue in Windows Server 2012 R2, you can apply hotfix KB2953557.

Hotfix information for Windows Server 2012 and Windows 8

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 this specific problem.

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, submit a request to 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

There is no prerequisite to apply this hotfix.

Registry information

To use the hotfix in this package, you do not have to make any changes to the registry.

Restart requirement

You may have to restart the computer after you apply this hotfix.

Hotfix replacement information

This hotfix does not replace a previously released hotfix.

More Information

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 and Windows 8 file information and 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, 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

    6.2.920 0.21xxx

    Windows Server 2012 and Windows 8

    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, 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.

For all supported x86-based versions of Windows 8

File name

File version

File size

Date

Time

Platform

Microsoft.iscsi.target.commands.dll

6.2.9200.21284

202,752

05-Nov-2014

00:13

x86

For all supported x64-based versions of Windows Server 2012 and of Windows 8

File name

File version

File size

Date

Time

Platform

Microsoft.iscsi.target.commands.dll

6.2.9200.21284

202,752

05-Nov-2014

01:59

x86

Additional file information

Additional file information for Windows Server 2012 and Windows 8

Additional files for all supported x86-based version of Windows 8

File property

Value

File name

Msil_microsoft.iscsi.target.commands_31bf3856ad364e35_6.2.9200.21285_none_7df9fbc8155c1781.manifest

File version

Not Applicable

File size

2,863

Date (UTC)

05-Nov-2014

Time (UTC)

00:23

Platform

Not Applicable

File name

X86_105f3f0697f1e584f7f8cd34150893ed_31bf3856ad364e35_6.2.9200.21285_none_741e69a11932a4f8.manifest

File version

Not Applicable

File size

702

Date (UTC)

05-Nov-2014

Time (UTC)

06:23

Platform

Not Applicable

Additional files for all supported x64-based versions of Windows Server 2012 and of Windows 8

File property

Value

File name

Amd64_105f3f0697f1e584f7f8cd34150893ed_31bf3856ad364e35_6.2.9200.21285_none_d03d0524d190162e.manifest

File version

Not Applicable

File size

704

Date (UTC)

05-Nov-2014

Time (UTC)

06:37

Platform

Not Applicable

File name

Msil_microsoft.iscsi.target.commands_31bf3856ad364e35_6.2.9200.21285_none_7df9fbc8155c1781.manifest

File version

Not Applicable

File size

2,863

Date (UTC)

05-Nov-2014

Time (UTC)

02:10

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

See the terminology that Microsoft uses to describe software updates.

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