Your network contains a server named Server1. Server1 has DirectAccess deployed. A group named Group1 is enabled for DirectAccess. Users report that when they log on to their computers, the computers are not configured to use DirectAccess. You need to ensure that the users computers are configured to use DirectAccess. What should you do first？（）

• A、On each client computer, add Group1 to the Distributed COM Users group.
• B、On each client computer, add Group1 to the Network Configuration Operators group.
• C、From Active Directory Users and Computers, add the users user accounts to Group1.
• D、From Active Directory Users and Computers, add the users computer accounts to Group1.