Information Technology Reference
In-Depth Information
• Print Server
• Streaming Media Services
• Web Server (IIS)
• Hyper-V
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In addition to these roles (discussed later in “New Active Directory Roles”), Server Core
supports a number of features to enhance server roles:
• Microsoft Failover Clustering
• Network Load Balancing
• Subsystem for UNIX-based Applications
• Windows Backup
• Multipath I/O
• Removable Storage Management
• Windows Bitlocker Drive Encryption
• Simple Network Management Protocol (SNMP)
• Windows Internet Naming Service (WINS)
• Telnet client
• Quality of Service (QoS)
As you can see, Server Core's lightweight interface hides a powerful set of server capabilities
that aren't encumbered by a resource-intensive GUI. To get an idea of how streamlined Server
Core is, a fresh installation takes up about 1.5 GB disk space compared with more than 5.5 GB
for a fresh installation of the standard Windows Server 2008. Maintenance of Server Core is also
reduced considerably because fewer patches are needed. Fewer installed components and a
reduced need for patches and updates result in a more secure and reliable system. Keep in mind,
however, that the following server roles can't be installed in Server Core:
• Application Server
• Active Directory Rights Management Services
• Fax Server
• UDDI Services
• Windows Deployment Services
• Active Directory Certificate Services
• Network Policy and Access Services
• Terminal Services
• Active Directory Federation Services
In addition, the optional features that can be installed with these roles aren't available in
Server Core. Despite these drawbacks, Server Core includes the roles and features that most
departmental and corporate servers need.
Hyper-V is a new role that can be installed in the 64-bit versions of Windows Server 2008
Standard, Datacenter, and Enterprise editions, including Server Core. It provides tools for creat-
ing a virtual computing environment that enables you to run guest OSs on a Windows Server
2008 host server. With server virtualization, administrators can modularize network services and
applications by installing a limited number of roles and features in several virtual machines and
using fewer physical servers. Figure 1-14 shows Hyper-V Manager, and Figure 1-15 shows two
virtual machines running on a single physical machine.
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