Five users from the main office travel to the branch office. The users bring their portable computers. The help desk reports that the users are unable to access any network resources from the branch…

Five users from the main office travel to the branch office. The users bring their portable computers. The help desk reports that the users are unable to access any network resources from the branch office. Branch office users can access the network resources. You need to ensure that the main office users can access all network resources by using their portable computers in the branch office. The solution must adhere to the corporate security guidelines. What should you instruct the help desk to do on the portable computers?