Microsoft KB Archive/946407

= Error message when you try to upgrade Windows Server 2003 to Windows Server 2008 when computer has the system volume mirrored as a dynamic volume: &quot;Windows Setup experienced an unexpected error&quot; =

Article ID: 946407

Article Last Modified on 1/3/2008

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APPLIES TO


 * Windows Server 2008 Datacenter
 * Windows Server 2008 Datacenter 32-Bit
 * Windows Server 2008 Enterprise
 * Windows Server 2008 Enterprise 32-Bit
 * Windows Server 2008 for Itanium-Based Systems
 * Windows Server 2008 Standard
 * Windows Server 2008 Standard 32-Bit
 * Windows Web Server 2008

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Beta Information
This article discusses a beta release of a Microsoft product. The information in this article is provided as-is and is subject to change without notice.

No formal product support is available from Microsoft for this beta product. For information about how to obtain support for a beta release, see the documentation that is included with the beta product files, or check the Web location where you downloaded the release.



SYMPTOMS
When you start a Windows Server 2003-based computer that has the system volume mirrored as a dynamic volume, and then you try to upgrade Windows Server 2003 to Windows Server 2008, you may receive the following error message:

Windows Setup experienced an unexpected error. To install Windows, restart the installation.

Additionally, the following error may be logged in the Setuperr.log file:

Error [0x0601d3] IBS InstallWindows:SetSetupProperties failed.

Note The Setuperr.log file is located in the following folder:

C:\$WINDOWS.~BT\Sources\Panther



CAUSE
This problem occurs because the Windows Server 2008 installation does not support the system volume as a mirrored dynamic volume.



RESOLUTION
To resolve this problem, follow these steps:
 * 1) Click Start, point to Administrative Tools, click Computer Management, and then click Device Manager.
 * 2) Right-click the system volume, and select Break Mirrored Volume.
 * 3) Click Yes, and then close Device Manager.
 * 4) Upgrade Windows Server 2003 to Windows Server 2008.
 * 5) After the upgrade is complete, use Disk Management to reestablish the system volume mirror.



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbexpertiseinter kbtshoot kbprb KB946407

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