You are the network administrator for .Your network consists of a single Active Directory domain named . The Default Domain Group Policy object (GPO) uses all default settings.
The network contains five servers running Windows Server 2003 and 800 client computers. Half of the client computers are portable computers. The other half are desktop computers. Users of portable computers often work offline, but users of desktop computers do not.
You install Windows XP Professional on all client computers with default settings.
Then you configure user profiles and store them on the network.
Some users of portable computers now report that they cannot log on to their computers. Other users of portable computers do not experience this problem.
You need to ensure that all users of portable computers can log on successfully,whether they are working online or offline.
What should you do?（）

You are the network administrator for . The network consists of single Active directory domain.
The domain contains a Windows Server 2003 domain controller named TestKing3.
The securews.inf security policy has been applied to the domain. A network application requires a service account. The network application runs constantly.
You create and configure a service account named SrvAcct for the network application. The software functions properly using the new account and service.
You discover an ongoing brute force attack against the SrvAcct account. The intruder appears to be attempting a distributed attack from several Windows XP Professional domain member computers on the LAN. The account has not been compromised and you are able to stop the attack, you restart Server6 and attempt
to run the network application, but the application does not respond.（）