You are a network administrator for your company. The network consists of a single Active Directory domain and contains 10 Windows Server 2003 computers.   You install a new service on a server named Server1. The new service requires that you restart Server1. When you attempt to restart Server1， the logon screen does not appear. You turn off and then turn on the power for Server1. The logon screen does not appear. You attempt to recover the failed server by using the Last Known Good Configuration startup option. It is unsuccessful. You attempt to recover Server1 by using the Safe Mode startup options. All Safe Mode options are unsuccessful.   You restore Server1. Server1 restarts successfully. You discover that Server1 failed because the new service is not compatible with a security patch.   You want to configure all servers so that you can recover from this type of failure by using the minimum amount of time and by minimizing data loss. You need to ensure that in the future， other services that fail do not result in the same type of failure.   What should you do？ （）

• A、 Use Add or Remove Programs.
• B、 Install and use the Recovery Console.
• C、 Use Automated System Recovery （ASR）.
• D、 Use Device Driver Roll Back.