Password Filtering

Password filtering comes in a DLL that you add to your system. To useit, copy it to your Primary Domain Controller (PDC) and to all your BackupDomain Controllers (BDCs) in case the PDC fails or roles change. Make sure thatyour %SYSTEMROOT%System32 directory contains the DLL; then adjust one Registryentry on each domain controller to enable it. Run regedit32, and thenfollow these steps:

1. Locate HKEY_LOCAL_MACHINESYSTEMCurrentControlSetControlLsa

2. Add the following:

Value Name: Notification Packages

Data Type: REG_MULTI_SZ

Data: Passfilt.dll

3. Click OK, and then quit the Registry editor.

4. Shut down and restart NT.

You'll find the source code for this DLL in Microsoft's Knowledge Basearticle Q151082 on the TechNet CD-ROM or on the Web,http://www.microsoft.com/kb.