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Managing Windows Server 2012 Systems : Configuring Roles, Role Services, and Features (part 1) - Using roles, role services, and features

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10/25/2014 8:54:08 PM

1. Using roles, role services, and features

Before modifying a server’s configuration, you should carefully plan how adding or removing a role, role service, or feature will affect a server’s overall performance. Although you typically want to combine complementary roles, doing so increases the workload on the server, so you need to optimize the server hardware accordingly. Also, keep in mind that roles, role services, and features can be dependent on other roles, role services, and features. When you install roles, role services, and features, Server Manager prompts you to install any additional roles, role services, or features that are required. If you try to remove a required component of an installed role, role service, or feature, Server Manager warns that you cannot remove the component unless you also remove the other role, role service, or feature.

Table 1 provides an overview of the primary roles and the related role services that you can deploy on a server running Windows Server 2012. In addition to roles and features that are included with Windows Server 2012 by default, Server Manager enables integration of additional roles and features that might become available on the Microsoft Download Center as optional updates to Windows Server 2012.

Table 1. Primary roles and related role services for Windows Server 2012

Role

Description

Active Directory Certificate Services (AD CS)

AD CS provides functions necessary for issuing and revoking digital certificates for users, client computers, and servers. It includes these role services: Certification Authority, Certification Authority Web Enrollment, Online Responder, Network Device Enrollment Service, Certificate Enrollment Web Service, and Certificate Enrollment Policy Web Service.

Active Directory Domain Services (AD DS)

AD DS provides functions necessary for storing information about users, groups, computers, and other objects on the network and makes this information available to users and computers. Active Directory domain controllers give network users and computers access to permitted resources on the network.

Active Directory Federation Services (AD FS)

AD FS complements the authentication and access-management features of AD DS by extending them to the World Wide Web. It includes these role services and subservices: Federation Service, Federation Service Proxy, AD FS Web Agents, Claims-Aware Agent, and Windows Token-Based Agent.

Active Directory Lightweight Directory Services (AD LDS)

AD LDS provides a data store for directory-enabled applications that do not require AD DS and do not need to be deployed on domain controllers. It does not include additional role services.

Active Directory Rights Management Services (AD RMS)

AD RMS provides controlled access to protected email messages, documents, intranet pages, and other types of files. It includes these role services: Active Directory Rights Management Server and Identity Federation Support.

Application Server

Application Server allows a server to host distributed applications built using ASP.NET, Enterprise Services, and Microsoft .NET Framework 4.5. It includes more than a dozen role services.

DHCP Server

DHCP Server provides centralized control over IP addressing. DHCP servers can assign dynamic IP addresses and essential TCP/IP settings to other computers on a network. It does not include additional role services.

DNS Server

DNS Server is a name-resolution system that resolves computer names to IP addresses. DNS servers are essential for name resolution in Active Directory domains. It does not include additional role services.

Fax Server

Fax Server provides centralized control over sending and receiving faxes in the enterprise. A fax server can act as a gateway for faxing and allows you to manage fax resources, such as jobs, reports, and fax devices on the server or on the network. It does not include additional role services.

File And Storage Services

File And Storage Services provides essential services for managing files and storage, and the way they are made available and replicated on the network. A number of server roles require some type of file service. It includes these role services and subservices: BranchCache for Network Files, Data Deduplication, Distributed File System, DFS Namespaces, DFS Replication, File Server, File Server Resource Manager, Services for Network File System (NFS), File Server VSS Agent Service, iSCSI Target Server, iSCSI Target Storage Provider, and Storage Services.

Hyper-V

Hyper-V provides services for creating and managing virtual machines that emulate physical computers. Virtual machines have separate operating system environments from the host server.

Network Policy and Access Services (NPAS)

NPAS provides essential services for managing network access policies. It includes these role services: Network Policy Server (NPS), Health Registration Authority (HRA), and Host Credential Authorization Protocol (HCAP).

Print and Document Services

Print and Document Services provides essential services for managing network printers, network scanners, and related drivers. It includes these role services: Print Server, LPD Service, Internet Printing, and Distributed Scan Server.

Remote Access

Remote Access provides services for managing routing and remote access to networks. Use this role if you need to configure virtual private networks (VPNs), Network Address Translation (NAT), and other routing services. It includes these role services: DirectAccess and VPN (RAS) And Routing.

Remote Desktop Services

Remote Desktop Services provides services that allow users to run Windows-based applications that are installed on a remote server. When users run an application on a terminal server, the execution and processing occur on the server and only the data from the application is transmitted over the network.

Volume Activation Services

Volume Activation Services provides services for automating the management of volume license keys and volume key activation.

Web Server (IIS)

Internet Information Services (IIS) is used to host websites and web-based applications. Websites hosted on a web server can have both static content and dynamic content. You can build web applications hosted on a web server by using ASP.NET and .NET Framework 4.5. When you deploy a web server, you can manage the server configuration using IIS 8 modules and administration tools. It includes several dozen role services.

Windows Deployment Services (WDS)

WDS provides services for deploying Windows computers in the enterprise. It includes these role services: Deployment Server and Transport Server.

Windows Server Update Services (WSUS)

WSUS provides services for Microsoft Update, allowing you to distribute updates from designated servers.

Table 2 provides an overview of the primary features that you can deploy on a server running Windows Server 2012. Unlike early releases of Windows, some important server features are not installed automatically. For example, you must add Windows Server Backup to use the built-in backup and restore features of the operating system.

Table 2. Primary features for Windows Server 2012

Feature

Description

.NET Framework 3.5

.NET Framework 3.5 provides APIs for application development, including .NET 2.0 and .NET 3.0 for backward compatibility.

.NET Framework 4.5

.NET Framework 4.5 provides APIs for application development. Additional subfeatures include .NET Framework 4.5, ASP.NET 4.5, and Windows Communication Foundation (WCF) Activation Components.

Background Intelligent Transfer Service (BITS)

BITS provides intelligent background transfers. When this feature is installed, the server can act as a BITS server that can receive file uploads from clients. This feature isn’t necessary for downloads to clients using BITS. Additional subfeatures include BITS IIS Server Extension and BITS Compact Server.

BitLocker Drive Encryption

BitLocker Drive Encryption provides hardware-based security to protect data through full-volume encryption that prevents disk tampering while the operating system is offline. Computers that have Trusted Platform Module (TPM) can use BitLocker Drive Encryption in Startup Key or TPM-Only mode. Both modes provide early integrity validation.

BitLocker Network Unlock

BitLocker Network Unlock provides support for network-based key protectors that automatically unlock BitLocker-protected operating system drives when a domain-joined computer is restarted.

BranchCache

BranchCache provides services needed for BranchCache client and server functionality. It includes HTTP protocol, Hosted Cache, and related services.

Client for NFS

Client for NFS provides functionality for accessing files on UNIX-based NFS servers.

Data Center Bridging

Data Center Bridging supports a suite of Institute of Electrical and Electronics Engineers (IEEE) standards for enhancing LANs and enforcing bandwidth allocation.

Enhanced Storage

Enhanced Storage provides support for Enhanced Storage Devices.

Failover Clustering

Failover Clustering provides clustering functionality that allows multiple servers to work together to provide high availability for services and applications. Many types of services can be clustered, including file and print services. Messaging and database servers are ideal candidates for clustering.

Group Policy Management

Group Policy Management installs the Group Policy Management Console (GPMC), which provides centralized administration of Group Policy.

Ink and Handwriting Services

Ink and Handwriting Services provides support for use of a pen or stylus and handwriting recognition.

Internet Printing Client

Internet Printing Client provides functionality that allows clients to use HTTP to connect to printers on web print servers.

IP Address Management Server

IP Address Management Server provides support for central management of the enterprise’s IP address space and the related infrastructure servers.

iSNS Server Service

iSNS Server Service provides management and server functions for Internet SCSI (iSCSI) devices, allowing the server to process registration requests, deregistration requests, and queries from iSCSI devices.

LPR Port Monitor

LPR Port Monitor installs the LPR Port Monitor, which allows printing to devices attached to UNIX-based computers.

Media Foundation

Media Foundation provides essential functionality for Windows Media Foundation.

Message Queuing

Message Queuing provides management and server functions for distributed message queuing. A group of related subfeatures is available as well.

Multipath I/O (MPIO)

MPIO provides the functionality necessary for using multiple data paths to a storage device.

Network Load Balancing (NLB)

NLB provides failover support and load balancing for IP-based applications and services by distributing incoming application requests among a group of participating servers. Web servers are ideal candidates for load balancing.

Peer Name Resolution Protocol (PNRP)

PNRP provides Link-Local Multicast Name Resolution (LLMNR) functionality that allows peer-to-peer, name-resolution services. When you install this feature, applications running on the server can use LLMNR to register and resolve names.

Quality Windows Audio Video Experience

Quality Windows Audio Video Experience is a networking platform for audio video (AV) streaming applications on IP home networks.

RAS Connection Manager Administration Kit

RAS Connection Manager Administration Kit provides the framework for creating profiles for connecting to remote servers and networks.

Remote Assistance

Remote Assistance allows a remote user to connect to the server to provide or receive Remote Assistance.

Remote Differential Compression

Remote Differential Compression provides support for differential compression by determining which parts of a file have changed and replicating only the changes.

Remote Procedure Call (RPC) over HTTP Proxy

RPC over HTTP Proxy installs a proxy for relaying RPC messages from client applications to the server over HTTP. RPC over HTTP is an alternative to having clients access the server over a VPN connection.

Remote Server Administration Tools (RSAT)

RSAT installs role-management and feature-management tools that can be used for remote administration of other Windows Server systems. Options for individual tools are provided, or you can install tools by top-level category or subcategory.

Simple Mail Transfer Protocol (SMTP) Server

SMTP Server is a network protocol for controlling the transfer and routing of email messages. When this feature is installed, the server can act as a basic SMTP server. For a full-featured solution, you need to install a messaging server, such as Microsoft Exchange Server.

Simple Network Management Protocol (SNMP) Services

SNMP Services is a protocol used to simplify management of TCP/IP networks. You can use SNMP for centralized network management if your network has SNMP-compliant devices. You can also use SNMP for network monitoring via network-management software.

Simple TCP/IP Services

Simple TCP/IP Services installs additional TCP/IP services, including Character Generator, Daytime, Discard, Echo, and Quote of the Day.

Subsystem for UNIX-Based Applications (SUA)

SUA provides functionality for running UNIX-based programs. You can download additional management utilities from the Microsoft website. (Deprecated)

Telnet Client

Telnet Client allows a computer to connect to a remote Telnet server and run applications on that server.

Telnet Server

Telnet Server hosts the remote sessions for Telnet clients. When Telnet Server is running on a computer, users can connect to the server with a Telnet client from a remote computer.

User Interfaces And Infrastructure

User Interfaces And Infrastructure allows you to control the user experience and infrastructure options (Graphical Management Tools And Infrastructure, Desktop Experience, or Server Graphical Shell). Desktop Experience provides Windows desktop functionality on the server (but these functions can reduce the server’s overall performance).

Windows Biometric Framework

Windows Biometric Framework provides the functionality required for using fingerprint devices.

Windows Internal Database

Windows Internal Database allows the server to use relational databases with Windows roles and features that require an internal database, such as AD RMS, UDDI Services, Windows Server Update Services (WSUS), Windows SharePoint Services, and Windows System Resource Manager.

Windows PowerShell

Windows PowerShell allows you to manage the Windows PowerShell features of the server. Windows PowerShell 3.0 and the PowerShell ISE are installed by default.

Windows PowerShell Web Access

Windows PowerShell Web Access allows the server to act as a web gateway for remotely managing servers in a web browser.

Windows Process Activation Service

Windows Process Activation Service provides support for distributed, web-based applications that use HTTP and non-HTTP protocols.

Windows Server Backup

Windows Server Backup allows you to back up and restore the operating system, system state, and any data stored on a server.

Windows Standards-Based Storage Management

Windows Standards-Based Storage Management provides support for managing standards-based storage and includes management interfaces as well as extensions for Windows Management Instrumentation (WMI) and Windows PowerShell.

Windows System Resource Manager (WSRM)

WSRM allows you to manage resource usage on a per-processor basis. (Deprecated)

Windows TIFF IFilter

Windows TIFF IFilter focuses on text-based documents, which means that searching is more successful for documents that contain clearly identifiable text (for example, black text on a white background).

WinRM IIS Extension

WinRM IIS Extension provides an Internet Information Services (IIS)–based hosting model. WinRM IIS Extension can be enabled at either the website or virtual-directory level.

WINS Server

WINS Server is a name-resolution service that resolves computer names to IP addresses. Installing this feature allows the computer to act as a WINS server.

Wireless LAN Service

Wireless LAN Service allows the server to use wireless networking connections and profiles.

WOW64 Support

WOW64 Support supports WOW64, which is required on a Full Server installation. Removing this feature converts a Full Server installation to a Server Core installation.

XPS Viewer

XPS Viewer is a program you can use to view, search, set permissions for, and digitally sign XPS documents.

Other -----------------
- Windows Server 2012 : Configuring IPsec (part 7) - Configuring connection security rules - Monitoring IPsec
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- Windows Server 2012 : Configuring IPsec (part 5) - Configuring connection security rules - Creating an authentication exemption rule, Creating a server-to-server rule, Creating a tunnel rule
- Windows Server 2012 : Configuring IPsec (part 4) - Configuring connection security rules - Types of connection security rules, Creating an isolation rule
- Windows Server 2012 : Configuring IPsec (part 3) - Configuring IPsec settings - Customizing IPsec tunnel authorizations, Configuring IPsec settings using Windows PowerShell
- Windows Server 2012 : Configuring IPsec (part 2) - Configuring IPsec settings - Customizing IPsec defaults
- Windows Server 2012 : Configuring IPsec (part 1) - Understanding connection security
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