What is passfilt.dll?    |    Scan for passfilt.dll Errors    |    Repair passfilt.dll File Errors

Run a Free Scan to check for passfilt.dll related errors.

passfilt.dll - What is passfilt.dll?

passfilt.dll File Description:

The file supplied by Microsoft used as a password filter by implementing a password policy to increase the password strength, is referred to as the module passfilt.dll program file. It is used for enhancing password security on systems running on the Microsoft Windows NT platform. You can use the password filter to filter domain or local account passwords. This program provides enhanced security against "password guessing" or "dictionary attacks" by outside intruders.

Windows when creating or capturing login passwords use the file passfilt.dll program. It provides functions that are used to apply a password security policy. The passwords are usually made up of 8 characters, both numbers, alphanumeric, in capital or lower case. It lets you enforce stronger password requirements for users.

In Windows 2000, the functionality of the passfilt.dll file is built right into the system. You can enable it simply by selecting Passwords must meet complexity requirements in the Local Security Settings dialog of the Administrative Tools control panel applet.

In Windows NT, the module passfilt.dll accepts only sufficiently complex passwords, those consisting of a mix of upper and lower case letters, numbers, and special characters.

The file passfilt.dll application is not necessary on backup domain controllers since the PDC is the only machine where changes to the domain accounts database are made. It should be installed on all BDCs because they can be promoted to PDC. If a BDC without this program is promoted to PDC, then strong password enforcement will be lost but there will be no other adverse effects.

Author: Microsoft Corporation
Author URL: http://www.microsoft.com
Part of: Windows Operating System
Memory Usage: Low
Associated Applications: Windows NT 4.0, Windows 2000
Background DLL: Yes
Uses Network: No
Hardware Related: No
Common Path: C:/ Windows/ system32/ passfilt.dll
DLL Version: 4.0.1381.164


Make sure your passfilt.dll is authentic and error free with a FREE SCAN.

Do you have errors with passfilt.dll?

The Reason for passfilt.dll Errors:

A common and likely cause for passfilt.dll errors is damage in the Windows program registry - fixing is necessary to prevent additional damage in other software and/or system devices. Experiencing these errors places your PC at risk for fatal crashes, blue screen errors as well as hardware failure.

passfilt.dll Errors - Common Symptoms:

passfilt.dll errors bring forth a range of symptoms, including: pc hangs while starting up or shutting down, softwares freeze up, reduced personal computer performance, case speaker beeping, problems loading files, sluggish behaviour and failure installing applications.

Helpful Tools

The following products are free to try. We have found them to be of the highest quality and value. They have been extremely useful in our own pc troubleshooting and maintainance and we highly recommend trying them out for yourself.

Anti-Malware Pro

With a lightning fast free scan and the largest authentic spyware detection database we have seen, Anti-Malware Pro finds and removes threats to your PC stability and security. Download Anti-Malware Pro


DriverFinder will scan your system for driver and software updates. Its easy to use interface makes keeping your drivers updated quick and simple. They will even send you an email notification when new driver updates are available for your system! It doesn't get any more convenient than this. Download DriverFinder

Browse DLL Files by Name:

Is your DLL file missing?

Help us to make errorDecoder.com the best resource we possibly can by submitting you very own DLL file details. If you have detailed information on any DLL file or other file types please let us know by visiting the following link.

Submit File Details Form

Scan for passfilt.dll Errors    |    How to Fix passfilt.dll Errors    |    What is passfilt.dll?