You work as an IT engineer in an international company which is named WINTEL. You are in charge of the network of the company. You have a Windows Small Business Server (SBS) 2003 environment installed on a server named server1 in the network. Now you are upgrading the (SBS) 2003 environment to a Windows Small Business Server (SBS) 2008 environment to meet the business requirements. You have no way but to create a new Active Directory Domain Services (AD DS) domain environment during the upgrade process, so you must ensure that your existing Active Directory Domain Services (AD DS) domain environment can be upgraded. In order to achieve this goal, first you should cancel the process of installation, and then what should you do?
A.
Then you should use the ADPREP command-line tool.
B.
Then you should use the DCDIAG command-line tool.
C.
Then you should convert Exchange Server on the Windows SBS 2003 server to native mode.
D.
Then you should use the Windows SBS 2003 Answer File Tool.
E.
Then you should use the Windows SBS 2008 Answer File Tool.