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Benefit Description
Hardware-assisted virtualization Supports both Intel Virtualization Technology (Intel VT)
and AMD Virtualization (AMD-V) hardware-assisted
virtualization.
VHD Mount command-line tool and APIs Provides the ability to mount a virtual hard disk file
as a virtual disk device on another operating system.
Support for Volume Shadow Copy Service Allows backup of Virtual Server and its running virtual
machines without the need to install backup agents
inside the guest operating system of the virtual
machines.
Larger default size for dynamically The default size for dynamically expanding virtual hard
expanding virtual hard disks disks has been changed from 16GB to 127GB, making
the VHD file format even more useful for enterprise
production, test, and disaster-recovery workloads.
Support for more than 64 virtual Virtual Server can run more than 64 virtual machines
machines on x64-based hosts on x64-based hosts. The 64 virtual machine limit
remains when Virtual Server is running on 32-bit hosts.
Host clustering step-by-step guide Host clustering allows you to extend the high-availability
benefits of clustering to non-cluster-aware applications
and workloads.
Virtual SCSI fix for Linux guests This fix resolves an issue some customers encountered
when trying to install certain Linux distributions inside
a virtual machine on the emulated SCSI bus.
VMRC ActiveX control and Internet The Virtual Machine Remote Control (VMRC) ActiveX
Explorer security zones control now uses the security zone information in
Internet Explorer to determine whether to prompt you
for your credentials when you load the control.
Service publication using Active Directory Virtual Server service now publishes its binding
Service Connection Points information in Active Directory as a Service
Connection Point (SCP) object.

TABLE 12-1 Some Microsoft Virtual Server 2005 Features

Table 12-1 lists other features available in Microsoft Virtual Server 2005.

Implementation
We’ve been banging the virtualization drum pretty loudly throughout this book, chiefly
because it makes good sense. However, virtualization is not without its issues, many of which
are related to the guest operating system you wish to “virtualize”, and the applications you