You have a computer that runs Windows XP Professional. The computer is joined to an Active Directory domain. The domain contains a global group named Group1. You share a folder named Folder1 on the computer. You modify the NTFS permissions on Folder1 to assign Full Control to Group1. Users from Group1 report that they are unable to add files to Folder1 from the network. You need to ensure that members of Group1 can add files to Folder1 from the network.
What should you do?（） 

You share a folder named Folder1 on a computer that runs Windows XP Professional. Users report that they cannot access the folder from other computers on the network. You verify that all users can access Folder1 when logged on to the computer. You need to ensure that all users can access Folder1 from the network.
What should you do?（）