You are a messaging professional. Your company plans to upgrade from

Microsoft Exchange Server 2003 messaging system to Microsoft Exchange Server 2007 messaging system.

The upgrade plan instructs the companys messaging administrators to prepare a Microsoft Active Directory domain by performing an unattended installation from the command line. The administrators report that their attempt to prepare an Active Directory domain according to the plan was unsuccessful.

You review the failed attempt and come to the following conclusion:

The administrators used an Exchange Full Administrator account.

The administrators used a computer that runs the x86 version of Microsoft Windows Server 2003 but supports installation of the x64 version of Windows Server 2003.

You need to prepare an Active Directory domain for the Exchange Server 2007 messaging system.

Which three actions should you perform to prepare an Active Directory domain for the Exchange Server 2007 messaging system? (Each correct answer presents part of the solution. Choose three.)

A.
Add the account to the Schema Administrators security group before preparing an Active Directory domain.

B.
Add the account to the Domain Administrators security group before preparing an Active Directory domain.

C.
Add the account to the Enterprise Administrators security group before preparing an Active Directory
domain.

D.
Install the x64 version of Windows Server 2003 on the computer before using it to prepare an Active
Directory domain.

E.
Install Microsoft Windows PowerShell 1.0 and Microsoft .NET Framework 2.0 on the computer before
using it to prepare an Active Directory domain.