After NAV 2013 SQL Database restore users can't login
Solution: delete users and users data
delete from [dbo].[User]
delete from [dbo].[Access Control]
delete from [dbo].[User Property]
delete from [dbo].[Page Data Personalization]
delete from [dbo].[User Default Style Sheet]
delete from [dbo].[User Metadata]
delete from [dbo].[User Personalization]