Article ID: 937474 - Last Review: January 7, 2008 - Revision: 2.1 Error message when you try to validate a copy of Windows Vista: "The Validation service is unable to determine whether this copy of Windows Vista is genuine"
SYMPTOMSWhen you try to validate a copy of Windows Vista, you may receive an error message that resembles the following: The Validation service is unable to determine whether this copy of Windows Vista is genuine. Note Typically, this issue occurs when Windows Vista was preinstalled on a computer by an OEM. CAUSEThis issue may occur if the licensing data in the BIOS is incorrect. RESOLUTIONTo resolve this issue, visit the following Microsoft Web site, and then click Validate Windows: http://www.microsoft.com/genuine
(http://www.microsoft.com/genuine)
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