What should you do?

You are a newly appointed enterprise administrator at Domain.com. The Domain.com network consists of a single Active Directory domain named Domain.com. The functional level of Domain.com is set at Windows Server 2003. The client computers at Domain.com run with the Windows Vista operating system.
Domain.com contains a server that has the Active Directory Rights Management Services (AD RMS) installed. During a routing monitoring you notice that the users do not use the full extends from the AD RMS, which will protect their documents. The users need to benefit from the AD RMS to protect their documents.
What should you do?

A.
The best option is to add and configure ADRMSADMIN account in local administrators group on the client computers

B.
The best option is to add and configure the ADRMSSRVC account in AD RMS server’s local administrator group

C.
The best option is to configure an email account for each user the Active Directory Domain Services (AD DS).

D.
The best option is to reinstall the Active Directory domain on the client computers

Explanation:
You need to configure an email account in Active Directory Domain Services (AD DS) for the user. Doing this you will be able to configure AD RMS to enable users to use it and protect their documents. The AD RMS must use AD DS, which will then regulate access to rights-protected content for all AD RMS users.