May 25, 2009 Service Pack 2, the latest service pack for both Windows Server 2008 and Windows Vista, supports new types of hardware and emerging hardware standards, includes all of the updates that have been delivered since SP1, and simplifies deployment, for consumers, developers, and IT professionals. Windows Server 2008 offers high availability to services and applications through Failover Clustering. Most server features and roles can be kept running with little to no downtime. In Windows Server 2008 and Windows Server 2008 R2, the way clusters are qualified changed significantly with the introduction of the cluster validation wizard. Where can I find the Service Pack 2 for Windows Server 2008 R2? I found one for Windows Server 2008 but obviously that was not applicable to Windows Server 2008 R2.
Windows Server 2008 is a server operating system produced by Microsoft. It was released to manufacturing on February 4, 2008, and reached general availability on February 27, 2008. It is the successor of Windows Server 2003, released nearly five years earlier.
History[edit]Windows Server 2008 R2 Sp2 64 Bit Iso Free Download
Originally known as Windows Server Codename 'Longhorn', Microsoft chairman Bill Gates announced its official title (Windows Server 2008) during his keynote address at WinHEC 16 May 2007.[6]
Beta 1 was released on 27 July 2005, Beta 2 was announced and released on 23 May 2006 at WinHEC 2006 and Beta 3 was released publicly on 25 April 2007.[7] Release Candidate 0 was released to the general public on 24 September 2007[8] and Release Candidate 1 was released to the general public on 5 December 2007. Windows Server 2008 was released to manufacturing on 4 February 2008 and officially launched on 27 February 2008.[9]
Features[edit]
Windows Server 2008 is built from the same code base as Windows Vista; therefore, it shares much of the same architecture and functionality. Since the code base is common, it automatically comes with most of the technical, security, management and administrativefeatures new to Windows Vista such as the rewritten networking stack (native IPv6, native wireless, speed and security improvements); improved image-based installation, deployment and recovery; improved diagnostics, monitoring, event logging and reporting tools; new security features such as BitLocker and ASLR (address space layout randomization); improved Windows Firewall with secure default configuration; .NET Framework 3.0 technologies, specifically Windows Communication Foundation, Microsoft Message Queuing and Windows Workflow Foundation; and the core kernel, memory and file system improvements. Processors and memory devices are modeled as Plug and Play devices, to allow hot-plugging of these devices. This allows the system resources to be partitioned dynamically using Dynamic Hardware Partitioning; each partition has its own memory, processor and I/O host bridge devices independent of other partitions.[10]
Server Core[edit]
Default user interface for Server Core. Because the default file dialog is removed from Server Core, programs such as Notepad use the Windows 3.x/Windows NT 3.1-style file dialog.
Windows Server 2008 includes a variation of installation called Server Core. Server Core is a significantly scaled-back installation where no Windows Explorer shell is installed. All configuration and maintenance is done entirely through command-line interface windows, or by connecting to the machine remotely using Microsoft Management Console. However, Notepad and some control panel applets, such as Regional Settings, are available.
Server Core does not include the .NET Framework, Internet Explorer, Windows PowerShell or many other features not related to core server features. A Server Core machine can be configured for several basic roles: Domain controller/Active Directory Domain Services, ADLDS (ADAM), DNS Server, DHCP server, file server, print server, Windows Media Server, IIS 7 web server and Hyper-V virtual server. Server Core can also be used to create a cluster with high availability using failover clustering or network load balancing.
Andrew Mason, a program manager on the Windows Server team, noted that a primary motivation for producing a Server Core variant of Windows Server 2008 was to reduce the attack surface of the operating system, and that about 70% of the security vulnerabilities in Microsoft Windows from the prior five years would not have affected Server Core.[11]
Active Directory[edit]
The Active Directory domain functionality that was retained from Windows Server 2003 was renamed to Active Directory Domain Services (ADDS).[12]
Failover Clustering[edit]
Windows Server 2008 offers high availability to services and applications through Failover Clustering. Most server features and roles can be kept running with little to no downtime.
In Windows Server 2008 and Windows Server 2008 R2, the way clusters are qualified changed significantly with the introduction of the cluster validation wizard.[14] The cluster validation wizard is a feature that is integrated into failover clustering in Windows Server 2008 and Windows Server 2008 R2. With the cluster validation wizard, an administrator can run a set of focused tests on a collection of servers that are intended to use as nodes in a cluster. This cluster validation process tests the underlying hardware and software directly, and individually, to obtain an accurate assessment of how well failover clustering can be supported on a given configuration.
This feature is only available in Enterprise and Datacenter editions of Windows Server.
Disk management and file storage[edit]
Hyper-V[edit]
Hyper-V architecture
Hyper-V is hypervisor-based virtualization software, forming a core part of Microsoft's virtualization strategy. It virtualizes servers on an operating system's kernel layer. It can be thought of as partitioning a single physical server into multiple small computational partitions. Hyper-V includes the ability to act as a Xen virtualization hypervisor host allowing Xen-enabled guest operating systems to run virtualized.[18] A beta version of Hyper-V shipped with certain x86-64 editions of Windows Server 2008, prior to Microsoft's release of the final version of Hyper-V on 26 June 2008 as a free download. Also, a standalone version of Hyper-V exists; this version supports only x86-64 architecture.[19] While the IA-32 editions of Windows Server 2008 cannot run or install Hyper-V, they can run the MMC snap-in for managing Hyper-V.
Windows System Resource Manager[edit]
Windows System Resource Manager (WSRM) is integrated into Windows Server 2008. It provides resource management and can be used to control the amount of resources a process or a user can use based on business priorities. Process Matching Criteria, which is defined by the name, type or owner of the process, enforces restrictions on the resource usage by a process that matches the criteria. CPU time, bandwidth that it can use, number of processors it can be run on, and allocated to a process can be restricted. Restrictions can be set to be imposed only on certain dates as well.
Server Manager[edit]
Server Manager is a new roles-based management tool for Windows Server 2008.[20] It is a combination of Manage Your Server and Security Configuration Wizard SCW from Windows Server 2003. Server Manager is an improvement of the Configure my server dialog that launches by default on Windows Server 2003 machines. However, rather than serve only as a starting point to configuring new roles, Server Manager gathers together all of the operations users would want to conduct on the server, such as, getting a remote deployment method set up, adding more server roles etc., and provides a consolidated, portal-like view about the status of each role.[21]
Protocol and cryptography[edit]
Miscellaneous[edit]
Removed features[edit]
Editions[edit]
Most editions of Windows Server 2008 are available in x86-64 and IA-32 versions. These editions come in two DVDs: One for installing the IA-32 variant and the other for x64. Windows Server 2008 for Itanium-based Systems supports IA-64 processors. The IA-64 version is optimized high-workload scenarios like database servers and Line of Business (LOB) applications. As such, it is not optimized for use as a file server or media server. Windows Server 2008 is the last 32-bit Windows server operating system.[28]Editions of Windows Server 2008 include:[29]
The Microsoft Imagine program, known as DreamSpark at the time, used to provide verified students with the 32-bit variant of Windows Server 2008 Standard Edition, but the version has since then been removed. However, they still provide the R2 release.
The Server Core feature is available in the Web, Standard, Enterprise and Datacenter editions.
Updates[edit]
One Service Pack was released for Windows Server 2008. Because Windows Server 2008 is based on the Windows Vista Service Pack 1 kernel, the RTM release is considered to be Service Pack 1; accordingly, the service pack is called Service Pack 2. Announced on October 24, 2008,[33] this service pack contains the same changes and improvements as the Windows Vista Service Pack 2, as well as the final release of Hyper-V 1.0, and an approximate 10% reduction in power usage.
The first SP2 beta build was sent out in October 2008, a public beta arrived in December 2008, and an RC-escrow build was given to testers in January 2009. Windows Vista and Windows Server 2008 share a single service pack binary, reflecting the fact that their code bases were joined with the release of Server 2008. On May 26, 2009, Service Pack 2 was released.
Windows Server 2008 R2[edit]
A second release, Windows Server 2008 R2, was released on October 22, 2009.[34] Retail availability began September 14, 2009.[35] Windows Server 2008 R2 reached the RTM milestone on July 22, 2009.[36] Like Windows 7, it is built on Windows NT 6.1. New features include new virtualization features, new Active Directory features, IIS 7.5, and support for 256 logical processors. Support for 32-bit-only processors (IA-32) has been removed. On July 22, 2009, Microsoft officially announced that they had released both Windows Server 2008 R2 and Windows 7 to manufacturing. Windows Server 2008 R2 was generally available for download from MSDN and Technet on August 19 and for retail purchase from October 22, 2009.
System requirements[edit]
System requirements for Windows Server 2008 are as follows:
Scalability[edit]
Windows Server 2008 supports the following maximum hardware specifications:[40][41][42]
See also[edit]Notes[edit]
References[edit]
Further reading[edit]
External links[edit]
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Windows_Server_2008&oldid=916483677'
Windows Server 2008 R2 is a serveroperating system produced by Microsoft. It was released to manufacturing on July 22, 2009[4] and became generally available on October 22, 2009.[5]
Enhancements include new functionality for Active Directory, new virtualization and management features, version 7.5 of the Internet Information Servicesweb server and support for up to 256[6] logical processors. It is built on the same kernel used with the client-oriented Windows 7, and is the first 64-bitâonly server operating system released from Microsoft.
Seven editions of Windows Server 2008 R2 were released: Foundation, Standard, Enterprise, Datacenter, Web, HPC Server and Itanium, as well as Windows Storage Server 2008 R2. A home server variant called Windows Home Server 2011 was also released. It was succeeded by Windows Server 2012.
History[edit]
Microsoft introduced Windows Server 2008 R2 at the 2008 Professional Developers Conference as the server variant of Windows 7.
On January 7, 2009, a beta release of Windows Server 2008 R2 was made available to subscribers of Microsoft's TechNet and MSDN programs, as well as those participating in the Microsoft Connect program for Windows 7. Two days later, the beta was released to the public via the Microsoft Download Center.[7]
On April 30, 2009, the release candidate was made available to subscribers of TechNet and MSDN.[8] On May 5, 2009, the release candidate was made available to the general public via the Microsoft download center.[9]
According to Windows Server Blog,[10] the following are the dates of the year 2009 when Microsoft Windows Server 2008 R2 has been made available to various distribution channels:
Additionally, qualifying students have been able to download Windows Server 2008 R2 Standard edition in 15 languages from the Microsoft Imagine program (known as DreamSpark at the time).[11]
Microsoft has announced that Server 2008 R2 will be the last version of Windows supporting the Itanium architecture, with its extended support ending earlier than for the regular non-Itanium edition or 'until July 10, 2018.'[12][13][14]
New features[edit]
A reviewer guide published by the company describes several areas of improvement in R2.[15] These include new virtualization capabilities (Live Migration, Cluster Shared Volumes using Failover Clustering and Hyper-V), reduced power consumption, a new set of management tools and new Active Directory capabilities such as a 'recycle bin' for deleted objects. IIS 7.5 has been added to this release which also includes updated FTP server services. Security enhancements include encrypted clientless authenticated VPN services through DirectAccess for clients using Windows 7, and the addition of DNSSEC support for DNS Server Service. Even though DNSSEC as such is supported, only one signature algorithm is available:[16] #5 / RSA/SHA-1. Since many zones use a different algorithm â including the root zone â this means that in reality Windows still can't serve as a recursive resolver.
The DHCP server supports a large number of enhancements[17] such as MAC address-based control filtering, converting active leases into reservations or Link Layer based filters, DHCppP Name protection for non-Windows machines to prevent name squatting, better performance through aggressive lease database caching, DHCP activity logging, auto-population of certain network interface fields, a wizard for split-scope configuration, DHCP Server role migration using WSMT, support for DHCPv6 Option 15 (User Class) and Option 32 (Information Refresh Time). The DHCP server runs in the context of the Network Service account which has fewer privileges to reduce potential damage if compromised.
Windows Server 2008 R2 supports up to 64 physical processors[18] or up to 256 logical processors per system. (Only the Datacenter and Itanium editions can take advantage of the capability of 64 physical processors. Enterprise, the next-highest edition after those two, can only use 8.)[19] When deployed in a file server role, new File Classification Infrastructure services allow files to be stored on designated servers in the enterprise based on business naming conventions, relevance to business processes and overall corporate policies.[20]
Server Core includes a subset of the .NET Framework, so that some applications (including ASP.NET web sites and Windows PowerShell 2.0) can be used.
Performance improvement was a major area of focus for this release; Microsoft has stated that work was done to decrease boot time, improve the efficiency of I/O operations while using less processing power, and generally improve the speed of storage devices, especially iSCSI.
Active Directory has several new features when raising the forest and domain functional levels[21] to Windows Server 2008 R2: Two added features are Authentication Mechanism Assurance and Automatic SPN Management. When raising the forest functional level, the Active Directory recycle bin feature is available and can be enabled using the Active Directory Module for PowerShell.[22]
Service Pack[edit]
On February 9, 2011, Microsoft officially released Service Pack 1 (SP1) for Windows 7 and Windows Server 2008 R2 to OEM partners. 8 bit game maker free download. Apart from bug fixes, it introduces two new major functions, RemoteFX and Dynamic Memory. RemoteFX enables the use of graphics hardware support for 3D graphics in a Hyper-V based VM. Dynamic Memory makes it possible for a VM to only allocate as much physical RAM as is needed temporarily for its execution. On February 16, SP1 became available for MSDN and TechNet subscribers as well as volume licensing customers. As of February 22, SP1 is generally available for download via the Microsoft Download Center and available on Windows Update.[23]
System requirements[edit]
System requirements for Windows Server 2008 R2 are as follows:[24]
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Editions[edit]Windows Server 2008 R2 Service Pack
See also[edit]References[edit]
External links[edit]Windows Server 2008 R2 Sp2 Update Download
Retrieved from 'https://en.wikipedia.org/w/index.php?title=Windows_Server_2008_R2&oldid=914253150'
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