I have a Web application with 2 zones.

  • Default: used by users on the inside using AD.
  • Extranet: used by external users using a custom membership provider

What I want is for the users in the Default zone to be able to add users from the custom membership provider to SP groups. I can do this by enabling FBA on the Default zone. But I don't want the login page where the users in the Default-zone have to choose between Windows-authentication and Forms-authentication.

Is it possible to add forms users without enabling FBA in that zone? Or do I have to make a custom loginpage to automatically choose windows-authentication?

1 Answer 1


I think it is possible to add forms users if you created a third zone with both authentication methods, but I haven't tried it myself.

Your suggestion of making a custom login page might also work.

  • 1
    Thanks Tom for your answer. I went with the "Custom Login Page" solution and that worked for me. Nov 28, 2011 at 13:37

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