What do u means by orphan users, how u will list them in the DB?

Orphan User: NO login id or password is not associated

With user.

exec sp_change_users_login 'Report' (It helps to find the

orphan user)

Exec sp_change_user_login 'auto_fix','loginname',null(It

helps to map the user with login) 

exec sp_change_users_login 'Report' 

Running the following query on destination server where 

database as been moved to list orphan user