Article ID: 2425962 - View products that this article applies to.
Consider the following scenario:
In this scenario, you receive the following error message:
Generally, Unattend.xml files are used for OEM or corporate environment deployment. Therefore, the image could contain an Unattend.xml file, and you may not be aware that this file is included.
Windows could not parse or process the unattend answer file for pass [specialize].
This problem occurs because the Unattend.xml file is applied during the in-place upgrade. This scenario is not supported.
Important This section, method, or task contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information about how to back up and restore the registry, click the following article number to view the article in the Microsoft Knowledge Base:
(http://support.microsoft.com/kb/322756/ )How to back up and restore the registry in Windows
When this behavior occurs, you cannot recover the system. Therefore, you must perform a clean installation.
To avoid this behavior, you can remove a registry subkey before you use the OEM installation image to run an in-place upgrade. To do this, follow these steps:
Article ID: 2425962 - Last Review: December 29, 2010 - Revision: 3.0
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