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Windows XP Prompts You to Re-activate After You Restore Your Computer
Article ID: 305356 - View products that this article applies to.
This article was previously published under Q305356
After you restore a previously-activated Windows XP-based installation from a backup, you may be prompted to re-activate the installation.
This behavior can occur if there are significant differences between the current hardware and the hardware that was in use when the original installation was backed up. These hardware changes require product re-activation because the installation now appears to have been installed on a new (additional) computer. Windows XP may prompt you to re-activate the computer under any of the following conditions:
To work around this behavior, use any of the following methods.