An unattended installation of Windows Vista uses the Autounattend.xml file on the Windows Vista installation disc instead of the Autounattend.xml file on a USB flash drive

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Article ID: 933495 - View products that this article applies to.
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SYMPTOMS

You have two Autounattend.xml files (answer files) that can be used in an unattended installation of Windows Vista. One Autounattend.xml file is in the root directory of the Windows Vista installation disc. The other Autounattend.xml file is in the root directory of a USB flash drive. When you perform an unattended installation of Windows Vista, the installation uses the Autounattend.xml file on the Windows Vista installation disc instead of the Autounattend.xml file on the flash drive. You expect the installation to use the file on the flash drive according to the implicit order of the search paths.

CAUSE

This issue occurs because the GetFileAttributes function does not work correctly. An unattended installation of Windows Vista calls this function.

RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Windows Vista. For more information, click the following article number to view the article in the Microsoft Knowledge Base:
935791 How to obtain the latest Windows Vista service pack

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. 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=support
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 have Windows Automated Installation Kit (Windows AIK) or Windows OEM Preinstall Kit (Windows OPK) installed.

Restart requirement

You do not have to 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 Vista, 32-bit versions
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File nameFile versionFile sizeDateTimePlatform
Unattend.dll6.0.6000.20547200,70401-Mar-200704:34x86
Windows Vista, 64-bit versions
Collapse this tableExpand this table
File nameFile versionFile sizeDateTimePlatform
Unattend.dll6.0.6000.20547248,32001-Mar-200705:44x64

Hotfix installation information

To apply this hotfix, follow these steps:
  1. Type the following command at a command prompt to expand the .msu file:
    Expand.exe PathOfMSU -F:* PathOfTempFolder1
    Note Replace PathOfMSU with the path of the .msu file. Replace PathOfTempFolder1 with the path of a temporary folder.
  2. Type the following command to expand the .cab file to another temporary folder:
    Expand.exe PathOfCAB -F:* PathOfTempFolder2
    Note Replace PathOfCAB with the path of the .cab file. Replace PathOfTempFolder2 with the path of another temporary folder.
  3. Copy the Boot.wim image file from the Source folder on the Windows Vista installation disc to a local temporary location.
  4. Mount the image for read access and for write access. To do this, type the following command at a command prompt:
    imagex.exe /mountrw PathOfBootWIM 2 MountLocation
    Note Replace PathOfBootWIM with the path of the Boot.wim file. The number following this location is the boot index number. Replace MountLocation with the destination of the file that you mount.
  5. Copy the Unattend.dll file from the PathOfTempFolder2\x86_microsoft-windows-setup-unattend_RandomInformation\ folder to the MountLocation\ source folder.

    Note RandomInformation is a placeholder for a string that is randomly created.
  6. Copy the Unattend.dll file from the PathOfTempFolder2\x86_microsoft-windows-setup-unattend_RandomInformation\ folder to the MountLocation\Windows\System32\ folder.
  7. Unmount the Boot.wim file to commit all the changes. To do this, type the following command at a command prompt:
    imagex.exe /commit /unmount MountLocation
  8. Mount the image again for read access and for write access. To do this, type the following command at a command prompt:
    imagex.exe /mountrw PathOfBootWIM 1 MountLocation
    Note the different boot index number in this command.
  9. Copy the Unattend.dll file from PathOfTempFolder2\x86_microsoft-windows-setup-unattend_RandomInformation\ folder to the MountLocation\Windows\System32\ folder.
  10. Unmount the Boot.wim file to commit all the changes. (Use the same command that you used in step 7.)
  11. Copy the modified Boot.wim file to the InstallPoint\Source folder.

    Note InstallPoint is a placeholder for the location of the contents of the Windows Vista disc image.

WORKAROUND

To work around this issue, copy the Autounattend.xml file from the USB flash drive to a floppy disk. Then, perform the unattended installation.

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Windows Vista Service Pack 1.

MORE INFORMATION

For more information about the terms that are used to describe software updates, 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

Properties

Article ID: 933495 - Last Review: October 8, 2011 - Revision: 5.0
APPLIES TO
  • Windows Vista Home Basic
  • Windows Vista Home Premium
  • Windows Vista Ultimate
  • Windows Vista Business
  • Windows Vista Enterprise
  • Windows Vista Home Basic 64-bit Edition
  • Windows Vista Home Premium 64-bit Edition
  • Windows Vista Ultimate 64-bit Edition
  • Windows Vista Business 64-bit Edition
  • Windows Vista Enterprise 64-bit Edition
Keywords: 
kbautohotfix kbvistasp1fix kbfix kbHotfixServer kbqfe KB933495

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