Subauthentication Packages

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The authentication packages provided with Windows support customization using subauthentication packages. A subauthentication package is a DLL that supplements or replaces part of the authentication and validation criteria used by the main authentication package. For example, a particular server might supply a subauthentication package that validates a user's password with a different algorithm or specifies workstation restrictions in a different format.

For more information about subauthentication packages, see the SubAuth sample installed with the Platform Software Development Kit (SDK).