[This is preliminary documentation and subject to change]

# Passport Authentication

Microsoft Passport simplifies consumers' online experience by allowing them to create a single "wallet," member name, and password to use across participating Passport Web sites and services. The suite of Passport e-commerce services makes using the Web (especially online shopping) easier, faster, and more secure for your customers. By implementing Passport on your site, you can:

- Increase traffic by simplifying the sign-in and registration process.
- Improve customer retention by delivering personalized content based on core Passport profile data.
- Increase your sales by simplifying the purchase process.
- Offer easy, more secure sign-in and purchasing to millions of Passport members.

This section describes:

- About Passport Authentication
- Using Passport Authentication
- Configuring IIS for Passport Authentication
- Configuring the Active Directory for Passport Authentication
- Programmatic Considerations for Passport Authentication

Related Topics

- For more information about Passport Services, including how to sign into Passport, benefits for users and businesses, and instructions for implementing Passport on your Web sites, see the Microsoft Passport Business Services home page.
- For more information on configuring the Active Directory, see the Windows online documentation.

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