login event fired twise

hi all! im using custom authenticationprovider and have all code placed in global.asax. When user tries to login my authentication method, private void FkAuthenticate(object sender, AuthenticationEventArgs e), is fired twise. And secound time its argument e.userame is changed from customernr to customer fullname. can somebody tell me how to debug event e to find out where this happend
Sep 24, 2007 10:59
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