On which server should you run adprep.exe?

Your network contains an Active Directory forest named adatum.com. The forest contains a single domain. The domain contains four servers.

The servers are configured as shown in the following table.

You need to update the schema to support a domain controller that will run Windows Server 2012 R2.

On which server should you run adprep.exe?
A . Server1
B . DC3
C . DC2
D . DC1

View Answer

Answer: B

Explanation:

We must use the Windows Server 2008 R2 Server.

Upgrade Domain Controllers to Windows Server 2012 R2 and Windows Server 2012

You can use adprep.exe on domain controllers that run 64-bit versions of Windows Server 2008 or Windows Server 2008 R2 to upgrade to Windows Server 2012. You cannot upgrade domain controllers that run Windows Server 2003 or 32-bit versions of Windows Server 2008. To replace them, install domain controllers that run a later version of Windows Server in the domain, and then remove the domain controllers that Windows Server 2003.

Reference: Upgrade Domain Controllers to Windows Server 2012 R2 and Windows Server 2012, Supported in-place upgrade paths.

http://technet.microsoft.com/en-us/library/hh994618.aspx#BKMK_UpgradePaths