Your network consists of a single Active Directory domain.You have a DHCP server that runs Windows Server 2003 Service Pack 2 (SP2).All client computers run Windows XP Service Pack 3 (SP3).

A user named User1 reports that when she starts her computer, she receives a duplicate address error message.You confirm that her computer is configured as a DHCP client.

You need to ensure that User1 receives a unique IP address from the DHCP server.

What should you do on the DHCP server?

A.
Reconcile the scope.

B.
Create a superscope.

C.
Enable conflict resolution.

D.
Increase the number of IP addresses available in the scope.