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Q. How can I disable the Windows XP built-in certificate propagation mechanism?

The Windows XP built-in certificate propagation mechanism is designed to propagate all the certificates on a smart card to the local My Certificate store.

If you use a 3rd-party certificate propagation mechanism, you may experience a conflict between the built-in certificate propagation mechanism and the 3rd-party certificate propagation mechanism, causing unwanted results.

To disable the built-in certificate propagation mechanism:

1. Open a CMD.EXE window.

2. Type the following command and press Enter:

REG ADD "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\ScCertProp" /V Enabled /T REG_DWORD /F /D 0

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