You are installing Cisco Unity 5.0 with Exchange Server 2000 for a customer. Which two operating system options are supported for this install? (Choose two.)

A.
Windows 2000 Advanced Server

B.
Windows Server 2003 R2 Enterprise

C.
Windows 2000 Server

D.
Windows Server 2003 R2 Standard Edition

E.
Windows Server 2003 Standard Edition