You work as an IT engineer in an international company named Wikigo. There are many System Center Virtual Machine Manager (SCVMM) 2008 servers in the company. You are responsible for for one server named server1 which operate three hosts named A,B and C. You have the Self-Service Portal installed on Server1 and a Self-Service user role configured on Server1. To ensure that all virtual machines created by using the Self-Service Portal are created on A or B expect for C, What should you prefer to do first?

A.
Add A and B as library servers on Server1.

B.
Configure a quota for the Self-Service user role on Server1.

C.
Add the ITAdmins group to the local Administrators group on A and B.

D.
Configure a host group that includes only A and B on Server1.