Q. How do I enable strong password filtering?
A. Windows NT 4.0 Service Pack 2 introduced a new password filter, passfilt.dll, which implements the following new restrictions
To enable this functionality perform the following on all PDC's (and stand alone's if used). You do not need to install this on BDC's, however you should in case the BDC is promoted to a PDC.
It should be noted you will still be able to set passwords in User Manager that do not meet the criteria, this is by design as direct SAM updates are not filtered.
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