Your network contains an Active Directory domain named contoso.com. The domain contains a server named Server1 that runs Windows Server 2012 R2. Server1 has the Hyper- V server role installed. The domain contains a virtual machine named VM1. A developer wants to attach a debugger to VM1. You need to ensure that the developer can connect to VM1 by using a named pipe. Which virtual machine setting should you configure？（）

A. Network Adapter
BIOS
C. Processor
D. COM 1