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PASSFILT.DLL is an add-on for Windows NT that enforces a password policy. New passwords that do not fit the policy are rejected. - at least 6 characters long
- does not contain username or full name
- contains combination of uppercase, lowercase, and numeric characters
Installation: - Comes with SP3 or later, or can be installed on early version of NT. It must be copied .DLL to %systemroot%\system32 directory.
- If domain authentication is used, must be installed on PDC as well as all BDCs.
- Set the registry key
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa] to the REG_MUTLTI_SZ value of "Notification Packages"="PASSFILT".
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