You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Shadow Copies is enabled on all volumes and daily backups are performed by using Windows Backup. A user named User1 has a computer named Computer1 that runs Windows XP Professional Service Pack 3 (SP3). User1 is denied the right to log on to Server1. You need to ensure that User1 can recover previous versions of files on Server1 without help from an administrator. What should you do? （）

• A、On Server1, install twcli32.msi.
• B、On Server1, create an Automated System Recovery (ASR) backup.
• C、On Computer1, install twcli32.msi.
• D、On Computer1, create an Automated System Recovery (ASR) backup.