Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service
Pack 2 (SP2).
You create a new domain user account named User1 and assign the account a password of P@ssw0rd. On the new account, you enable the User must change password at next logon option.
A week later, you discover that User1 is still using the password P@ssw0rd to log on to the domain.
You need to ensure that User1 is forced to use a different password the next time she changes her password.
What should you do first? （）

Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service
Pack 2 (SP2). All client computers run Windows XP Professional Service Pack 3 (SP3).
A domain user named User1 attempts to log on to a computer named Computer1. After several failed logon
attempts, User1 receives the following error message.

You reset the password for User1 and provide the new password to User1.
You need to ensure that User1 can log on immediately.
What should you do? （）