After DNN Installation on azure Env. the Host Tab missing from the menu of Super User account and couldn't be able to install any extension also some errors popup while the Database Schema script Creation as below :

"08/27/2015 07:16:15 [ERROR] DotNetNuke.Services.Upgrade.Upgrade System.Data.SqlClient.SqlException (0x80131904): Column names in each table must be unique. Column name 'PasswordResetToken' in table 'dbo.Users' is specified more than once."