Article ID: 926333 - View products that this article applies to.
A Microsoft Windows XP-based computer might start to fail the Windows Genuine Advantage (WGA) validation process, or the Windows XP-based computer might be reported as being non-genuine.
This behavior might be caused by an incorrect Data.dat file or by a corrupted Data.dat file in the %ALLUSERSPROFILE%\Application Data\Windows Genuine Advantage\data folder.
Note By default, the %ALLUSERSPROFILE% folder is the C:\Documents and Settings\All Users folder. However, this location might be a different folder in your installation of Windows XP.
You must remove the Data.dat file from the Windows XP-based client computer. The Data.dat file will be updated correctly during the next validation.
Steps to update the WGA Data.dat file on a single computer
Manual steps to update the WGA Data.dat file on a single computerTo update the Data.dat file manually, follow these steps:
Automated steps to update the WGA Data.dat file on a single computerTo perform an automated update of the Data.dat file, follow these steps:
Steps to automatically update the WGA Data.dat file on multiple computersThe following sample script is a simple .cmd script. To run this script on multiple Windows XP-based client computers, use Group Policy, Microsoft Systems Management Server, or other tools that are available in your environment. Use the best method for your environment to distribute the script. To run this script individually, you must run the script as an administrator.
To create this script, open a new .txt file, and then paste the following script text in the new file. After you create the file, rename it by using a .cmd file name extension.
Article ID: 926333 - Last Review: January 7, 2008 - Revision: 4.3
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