Error message when you perform an unattended installation of some East Asian language versions of Windows Vista: "Setup could not set display language"

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SYMPTOMS

When you perform an unattended installation of East Asian language versions of Windows Vista, the installation is not successful. Additionally, you receive the following error message:

Setup could not set display language

Note This problem has been verified in the Japanese, Chinese (Taiwan), and Chinese (PRC) versions of Windows Vista. The problem does not occur in the Korean version of Windows Vista.

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This problem occurs if the SetupUILanguage element is not specified in the Unattend.xml file.

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To resolve this problem, configure the SetupUILanguage element in the Unattend.xml file.

The following XML output shows how you can configure the Windows Setup UI language to display Chinese (PRC):

<SetupUILanguage>
       <UILanguage>zh-cn</UILanguage>
</SetupUILanguage>

Note The Windows OEM Preinstallation Kit (OPK) documentation will be updated in Windows Vista Service Pack 1 (SP1) to indicate that this setting is mandatory.

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