You have a server that runs Windows Server 2003 Service Pack 2 (SP2). The server has Windows Server Update Services (WSUS) 3.0 installed. The server contains a single 30-GB volume named Volume1. Volume1 is 90 percent full. You install a new 136-GB hard disk in the server. You create a new 136-GB volume named Volume2. You need to increase the storage space available to WSUS. What should you do?（）
- AUse wsusutil.exe to copy the updates to Volume2. Manually delete the folder that contains the updates on Volume1.
- BUse ntbackup.exe to backup the updates on Volume1. Restore the updates to Volume2. Manually delete the folder that contains the updates on Volume1.
- CFrom the Update Services console， configure the server to download Express Installation files.
- DModify the HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Update Services\Server\Setup\ContentDir registry setting. Restart the Update Services service.