VHDX virtual hard disk takes a long time to be created on an SMB share on a Windows 8.1 or Windows Server 2012 R2 Hyper-V host

Vzťahuje sa na: Windows 8.1 EnterpriseWindows 8.1 ProWindows 8.1

This article describes an issue that occurs when you try to create a VHDX virtual hard disk on a Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2-based Hyper-V host. The issue is resolved in hotfix 2965471 that is described in this article, and it has a prerequisite.

Symptoms


Consider the following scenario:

  • You have Hyper-V running on a Windows RT 8.1, Windows 8.1, or Windows Server 2012 R2-based computer.
  • You try to create a fixed-size VHDX virtual hard disk on a Server Message Block (SMB) share.
In this scenario, the speed of creating the VHDX virtual hard disk is slow. Therefore, it may take a long time to finish the initialization.

Cause


This issue occurs because of limitations in the current by-default design. 

Resolution


To resolve this issue, install the hotfix that is described in this article. 

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 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: Note 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 first install the update 2919355 on Windows 8.1 or Windows Server 2012 R2. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

2919355 Windows RT 8.1, Windows 8.1, and Windows Server 2012 R2 Update April, 2014

Registry information

To use the hotfix in this package, 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.

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

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 propertyValue
File nameX86_41ec98c5f78e45bc6d2d37fa94a3ae54_31bf3856ad364e35_6.3.9600.17111_none_804cb7f5695e3c4f.manifest
File versionNot applicable
File size692
Date (UTC)01-May-2014
Time (UTC)19:58
File nameX86_microsoft-windows-ntfs_31bf3856ad364e35_6.3.9600.17111_none_3b598246384f3e88.manifest
File versionNot applicable
File size16,005
Date (UTC)30-Apr-2014
Time (UTC)10:23
Additional files for all supported x64-based versions of Windows 8.1 and of Windows Server 2012 R2
File propertyValue
File nameAmd64_99fa5e94437b4df4ffc46187a916fe06_31bf3856ad364e35_6.3.9600.17111_none_ac9534d3d6552553.manifest
File versionNot applicable
File size696
Date (UTC)01-May-2014
Time (UTC)20:01
File nameAmd64_microsoft-windows-ntfs_31bf3856ad364e35_6.3.9600.17111_none_97781dc9f0acafbe.manifest
File versionNot applicable
File size16,011
Date (UTC)30-Apr-2014
Time (UTC)12:37
Additional files for Windows RT
File propertyValue
File nameArm_42f2a49e262b1783612735add656849c_31bf3856ad364e35_6.3.9600.17111_none_c6646d209de04888.manifest
File versionNot applicable
File size692
Date (UTC)01-May-2014
Time (UTC)20:00
File nameArm_microsoft-windows-ntfs_31bf3856ad364e35_6.3.9600.17111_none_3b5bf49e384c5d4e.manifest
File versionNot applicable
File size16,005
Date (UTC)30-Apr-2014
Time (UTC)11:05