dublicate handles in LiveUser

Hello, id it true that LU doesn't take care about if an handle is already exist? I have tested it and had after them three times user "tester" but with different auth_user_id. mysql> select * from liveuser_users where handle="tester"; +--------------+--------+----------------------------------+-----------+---------------+----------------+-----------+ | auth_user_id | handle | passwd | lastlogin | owner_user_id | owner_group_id | is_active | +--------------+--------+----------------------------------+-----------+---------------+----------------+-----------+ | 2 | tester | 47c5ddb680e4397d7e8a099438819831 | NULL | NULL | NULL | Y | | 3 | tester | 1b4da9076839e54e14cf239d63de03f4 | NULL | NULL | NULL | Y | +--------------+--------+----------------------------------+-----------+---------------+----------------+-----------+ >From my config array I have set "allowDuplicateHandles = 0". Is this an normal behavior or an bug or somewhere my fault? Thanks -Peter