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.ÂCause
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: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 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.
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 8 file information notesImportant Windows 8 hotfixes and Windows Server 2012 hotfixes are included in the same packages. However, only "Windows 8" 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" 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 0.16 xxx
Windows 8 and Windows Server 2012
RTM
GDR
6.2.920 0.20 xxx
Windows 8 and Windows Server 2012
RTM
LDR
-
GDR service branches contain only those fixes that are widely released to address widespread, extremely important 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 for Windows 8" 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
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Winload.efi |
6.2.9200.16603 |
1,166,744 |
06-May-2013 |
22:39 |
Not applicable |
Winload.exe |
6.2.9200.16603 |
1,063,960 |
06-May-2013 |
22:39 |
x86 |
Winload.efi |
6.2.9200.20709 |
1,166,744 |
08-May-2013 |
23:35 |
Not applicable |
Winload.exe |
6.2.9200.20709 |
1,063,960 |
08-May-2013 |
23:35 |
x86 |
Winload.efi |
6.2.9200.16603 |
1,166,744 |
06-May-2013 |
22:39 |
Not applicable |
Winload.exe |
6.2.9200.16603 |
1,063,960 |
06-May-2013 |
22:39 |
x86 |
Winresume.efi |
6.2.9200.16563 |
1,034,976 |
28-Mar-2013 |
22:07 |
Not applicable |
Winresume.exe |
6.2.9200.16563 |
939,424 |
28-Mar-2013 |
22:07 |
x86 |
Winload.efi |
6.2.9200.20709 |
1,166,744 |
08-May-2013 |
23:35 |
Not applicable |
Winload.exe |
6.2.9200.20709 |
1,063,960 |
08-May-2013 |
23:35 |
x86 |
Winresume.efi |
6.2.9200.20674 |
1,034,976 |
30-Mar-2013 |
18:13 |
Not applicable |
Winresume.exe |
6.2.9200.20674 |
939,424 |
30-Mar-2013 |
18:13 |
x86 |
For all supported x64-based versions of Windows 8 and Windows Server 2012
File name |
File version |
File size |
Date |
Time |
Platform |
---|---|---|---|---|---|
Winload.efi |
6.2.9200.16603 |
1,403,808 |
06-May-2013 |
22:40 |
Not applicable |
Winload.exe |
6.2.9200.16603 |
1,267,448 |
06-May-2013 |
22:40 |
x64 |
Winload.efi |
6.2.9200.20709 |
1,403,808 |
08-May-2013 |
23:58 |
Not applicable |
Winload.exe |
6.2.9200.20709 |
1,267,448 |
08-May-2013 |
23:58 |
x64 |
Winload.efi |
6.2.9200.16603 |
1,403,808 |
06-May-2013 |
22:40 |
Not applicable |
Winload.exe |
6.2.9200.16603 |
1,267,448 |
06-May-2013 |
22:40 |
x64 |
Winresume.efi |
6.2.9200.16563 |
1,217,328 |
28-Mar-2013 |
22:09 |
Not applicable |
Winresume.exe |
6.2.9200.16563 |
1,093,880 |
28-Mar-2013 |
22:09 |
x64 |
Winload.efi |
6.2.9200.20709 |
1,403,808 |
08-May-2013 |
23:58 |
Not applicable |
Winload.exe |
6.2.9200.20709 |
1,267,448 |
08-May-2013 |
23:58 |
x64 |
Winresume.efi |
6.2.9200.20668 |
1,217,328 |
28-Mar-2013 |
23:24 |
Not applicable |
Winresume.exe |
6.2.9200.20668 |
1,093,880 |
28-Mar-2013 |
23:25 |
x64 |
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 for Windows 8 and Windows Server 2012
Additional files for all supported x86-based versions of Windows 8
File name |
Update-bf.mum |
File version |
Not applicable |
File size |
2,205 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:54 |
Platform |
Not applicable |
File name |
X86_170387ae15a1f27a5fadab63fe777d64_31bf3856ad364e35_6.2.9200.20711_none_beb77600654ce081.manifest |
File version |
Not applicable |
File size |
713 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:54 |
Platform |
Not applicable |
File name |
X86_25b80709fc6481ef8ebd83391010a3fd_31bf3856ad364e35_6.2.9200.20711_none_7e6e4c9a9119e7b1.manifest |
File version |
Not applicable |
File size |
718 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:54 |
Platform |
Not applicable |
File name |
X86_8da950674fa7a0a80cab9bce69ee749d_31bf3856ad364e35_6.2.9200.16607_none_0f080bc9244c3fe8.manifest |
File version |
Not applicable |
File size |
718 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:54 |
Platform |
Not applicable |
File name |
X86_dac17ae21eb3af92f0b6fca84b1f2947_31bf3856ad364e35_6.2.9200.16607_none_487a19a37032ac30.manifest |
File version |
Not applicable |
File size |
713 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:54 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-b..ment-windows-minwin_31bf3856ad364e35_6.2.9200.16607_none_4cf0382bcd21b743.manifest |
File version |
Not applicable |
File size |
2,984 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
01:33 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-b..ment-windows-minwin_31bf3856ad364e35_6.2.9200.20711_none_4d69034ee64cdaf4.manifest |
File version |
Not applicable |
File size |
2,984 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
01:12 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-b..vironment-os-loader_31bf3856ad364e35_6.2.9200.16607_none_582b4c033dca08fb.manifest |
File version |
Not applicable |
File size |
5,802 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
01:33 |
Platform |
Not applicable |
File name |
X86_microsoft-windows-b..vironment-os-loader_31bf3856ad364e35_6.2.9200.20711_none_58a4172656f52cac.manifest |
File version |
Not applicable |
File size |
5,802 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
01:12 |
Platform |
Not applicable |
Additional files for all supported x64-based versions of Windows 8Â and Windows Server 2012
File name |
Amd64_0887f4e5fd24b2715a5da0a17f95deed_31bf3856ad364e35_6.2.9200.16607_none_02482a6b46bc9286.manifest |
File version |
Not applicable |
File size |
722 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:59 |
Platform |
Not applicable |
File name |
Amd64_132ff7bbc9fc34cfa6544511f84bd0ec_31bf3856ad364e35_6.2.9200.20711_none_017e84bd02eb2938.manifest |
File version |
Not applicable |
File size |
717 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:59 |
Platform |
Not applicable |
File name |
Amd64_4d75978a1525f031191891cddc39574d_31bf3856ad364e35_6.2.9200.20711_none_1bb3c03ee5f0ce76.manifest |
File version |
Not applicable |
File size |
722 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:59 |
Platform |
Not applicable |
File name |
Amd64_f37f1c5ac67d609854ee2eb55aef2d97_31bf3856ad364e35_6.2.9200.16607_none_1f4f5eaa1ddb42c1.manifest |
File version |
Not applicable |
File size |
717 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:59 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-b..ment-windows-minwin_31bf3856ad364e35_6.2.9200.16607_none_a90ed3af857f2879.manifest |
File version |
Not applicable |
File size |
2,988 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
03:55 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-b..ment-windows-minwin_31bf3856ad364e35_6.2.9200.20711_none_a9879ed29eaa4c2a.manifest |
File version |
Not applicable |
File size |
2,988 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
03:03 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-b..vironment-os-loader_31bf3856ad364e35_6.2.9200.16607_none_b449e786f6277a31.manifest |
File version |
Not applicable |
File size |
5,808 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
03:55 |
Platform |
Not applicable |
File name |
Amd64_microsoft-windows-b..vironment-os-loader_31bf3856ad364e35_6.2.9200.20711_none_b4c2b2aa0f529de2.manifest |
File version |
Not applicable |
File size |
5,808 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
03:03 |
Platform |
Not applicable |
File name |
Update-bf.mum |
File version |
Not applicable |
File size |
2,673 |
Date (UTC) |
09-May-2013 |
Time (UTC) |
17:59 |
Platform |
Not applicable |