Michel,
Are you testing this with an account where the username was NOT originally the e-mail address? When you login as host, is the username for billy.thekid, billy.thekid or billy.thekid@myway.com?
The "Use Email Address as Username" option doesn't change any existing accounts...it only affects new accounts.

you may update all existing users via sql, but you will need to update aspnet_users as well.
I'll try to check it out and provide you will a script tonight or tomorrow.

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Cheers from Germany,
Sebastian Leupold

   

Speed up your DNN Websites with TurboDNN

sorry for the delay , here is the script to be run from Host > SQL (please backup your database first, you need to restart DNN afterwards):

-- make sure, updated email address is stored in aspnet_membership
MERGE INTO aspnet_Membership M USING (SELECT AU.UserID, U.Email FROM aspnet_Users AU INNER JOIN [{objectQualifier}Users] U ON AU.UserName = U.UserName) S ON (M.UserID = S.UserID) WHEN MATCHED AND M.Email NOT LIKE S.Email THEN UPDATE SET M.Email = S.Email;

-- use email address in aspnet_users table for username (link table)
MERGE INTO aspnet_Users U USING aspnet_Membership M ON (U.UserID = M.UserID)
WHEN MATCHED THEN UPDATE SET U.UserName = M.Email;

-- use email in DNN users table
UPDATE [{objectQualifier}Users] SET UserName = Email;

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Cheers from Germany,
Sebastian Leupold

   

Speed up your DNN Websites with TurboDNN