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Benefits of Server Core

The following table lists the benefits of Server Core.

Reduced servicing Because Server Core installs only what is required for a manageable DHCP, File, DNS, Media Services, and Active Directory server, less servicing is required.
Reduced managementBecause less is installed on a Server Core-based server, less management is required.
Reduced attack surfaceBecause there is less running on the server, there is less attack surface.
Less disk space required Installation requires about 2.5GB for X64 and 1.5GB for X86.