You cannot start a Windows 8 or Windows Server 2012-based computer that has MBR disk installed

Symptoms

Assume that you have Windows 8 or Windows Server 2012 installed on a GUID partition table (GPT) disk of a computer. After you install a master boot record (MBR) disk that has an extended partition, you cannot start the computer.

Note This issue also occurs when you try to start the computer by using Windows Preinstall Environment (PE) 4.0. 

Cause

This issue occurs because the MBR disk cannot be enumerated during the start process.

Resolution

This hotfix is also available at Microsoft Update Catalog

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 be running Windows 8 or Windows Server 2012.

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.
File information


Workaround

To work around the issue, do not add MBR disk to the computer. Use only GPT disks.

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 GPT disk and MBR disk, click the following article number to go to the article in the Microsoft Knowledge Base:
2581408 Windows support for disks that are larger than 2 TB

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
Свойства

Номер статьи: 2841194 — последний просмотр: 17 дек. 2015 г. — редакция: 1

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