Windows Server 2. Wikipedia, the free encyclopedia. Windows Server 2. Win. 2K3, or just 2. K3) is a serveroperating system produced by Microsoft and released on April 2. It was a successor of Windows 2. Server and incorporated some of Windows XP features. An updated version, Windows Server 2. R2, was released to manufacturing on December 6, 2. Its successor, Windows Server 2. February 4, 2. 00. Windows Server 2. Windows Vista.[8]Overview[edit]Windows Server 2. Windows 2. 00. 0 Server, incorporating compatibility and other features from Windows XP. Unlike Windows 2. Server, Windows Server 2. Windows Server 2. It was made more compatible with Windows NT 4. Incorporating and upgrading a Windows NT 4. Windows 2. 00. 0 was considered difficult and time- consuming, and generally was considered an all- or- nothing upgrade, particularly when dealing with Active Directory.[by whom?] Windows Server 2. Active Directory compatibility, and better deployment support, to ease the transition from Windows NT 4. Windows Server 2. Windows XP Professional. Changes to various services include those to the IISweb server, which was almost completely rewritten to improve performance and security, Distributed File System, which now supports hosting multiple DFS roots on a single server, Terminal Server, Active Directory, Print Server, and a number of other areas. Windows Server 2003 (sometimes informally referred to as Win2K3, or just 2K3) is a server operating system produced by Microsoft and released on April 24, 2003. It was a successor of Windows 2000 Server and incorporated some. This is a 5 user Client Access License (CAL) pack for Windows Small Business Server. This is not a Windows Small Business Server License; Every user or device accessing Windows Small Business Server requires a CAL; This. Windows Server 2. Microsoft after the announcement of its Trustworthy Computing initiative, and as a result, contains a number of changes to security defaults and practices. The product went through several name changes during the course of development.
When first announced in 2. Whistler Server"; it was named "Windows 2. Server" for a brief time in mid- 2. Windows . NET Server" and "Windows . NET Server 2. 00. After Microsoft chose to focus the ". NET" branding on the . NET Framework, the OS was finally released as "Windows Server 2. Development[edit]Windows Server 2. Microsoft Windows version which was thoroughly subjected to semi- automated testing for bugs with a software system called PREfast[1. Amitabh Srivastava at Microsoft Research.[1. The automated bug checking system was first tested on Windows 2. Amitabh Srivastava's PREfast found 1. Windows Server 2. Microsoft employs more than 4,7. Windows, 6. 0% of whom are software testers[1. Windows source code. Microsoft co- founder Bill Gates stated that Windows Server 2. Microsoft's "most rigorously tested software to date."[1. Microsoft later used Windows Server 2. Windows Vista.[8]Changes[edit]The following features are new to Windows Server 2. Internet Information Services (IIS) v. Significant improvements to Message Queuing. Manage Your Server – a role management administrative tool that allows an administrator to choose what functionality the server should provide. Improvements to Active Directory, such as the ability to deactivate classes from the schema, or to run multiple instances of the directory server (ADAM)Improvements to Group Policy handling and administration. Provides a backup system to restore lost files. Improved disk management, including the ability to back up from shadows of files, allowing the backup of open files. Improved scripting and command line tools, which are part of Microsoft's initiative to bring a complete command shell to the next version of Windows. Support for a hardware- based "watchdog timer", which can restart the server if the operating system does not respond within a certain amount of time.[1. The ability to create a rescue disk was removed in favor of Automated System Recovery (ASR). Editions[edit]Windows Server 2. In general, all variants of Windows Server 2. X. 5. 09 certificate server, provide LDAP directory services, serve streaming media, and to perform other server- oriented functions. Supported hardware capabilities across editions of Windows Server 2. Criteria. Web. Standard. Enterprise. Datacenter. Maximum physical CPUs. Maximum RAMIA- 3. GB4 GB6. 4 GB6. 4 GBx. N/A3. 2 GB1 TB1 TBItanium. N/AN/A2 TB2 TBWindows Server 2. Web is meant for building and hosting Web applications, Web pages, and XML web services. It is designed to be used primarily as an IIS 6. Web server[1. 6] and provides a platform for developing and deploying XML Web services and applications that use ASP. NET technology, a key part of the . NET Framework. Terminal Services is not included on Web Edition. However, Remote Desktop for Administration is available. Only 1. 0 concurrent file- sharing connections are allowed at any moment. It is not possible to install Microsoft SQL Server and Microsoft Exchange software in this edition without installing Service Pack 1. Despite supporting XML Web services and ASP. NET, UDDI cannot be deployed on Windows Server 2. Web. The . NET Framework version 2. Windows Server 2. Web, but can be installed as a separate update from Windows Update. Windows Server 2. Web supports a maximum of 2 physical processors and a maximum of 2. GB of RAM.[1. 5] However, an instance of Windows Server 2. Web cannot act as a domain controller.[1. It is the only edition of Windows Server 2. CAL) when used as the internet facing server front- end for Internet Information Services and Windows Server Update Services. When using it for storage or as a back- end with another remote server as the front- end, CALs may still be required.[1. Standard[edit]. Windows Server 2. Standard Edition cover box. Microsoft Windows Server 2. Standard is aimed towards small to medium- sized businesses. Standard Edition supports file and printer sharing, offers secure Internet connectivity, and allows centralized desktop application deployment. A specialized version for the x. AMD6. 4 and EM6. 4T, called collectively x. Microsoft) was released in April 2. The IA- 3. 2 version supports up to 4 physical processors and up to 4 GB RAM; [1. GB of RAM[1. 5] and also supports Non- Uniform Memory Access. Enterprise[edit]Windows Server 2. Enterprise is aimed towards medium to large businesses. It is a full- function server operating system that supports up to 8 physical processors and provides enterprise- class features such as eight- node clustering using Microsoft Cluster Server (MSCS) software and support for up to 6. GB of RAM through PAE (added with the /PAE boot string).[1. Enterprise Edition also comes in specialized versions for the x. Itanium architectures. With Service Pack 2 installed, the x. Itanium versions are capable of addressing up to 1 TB and 2 TB of RAM,[1. This edition also supports Non- Uniform Memory Access (NUMA). It also provides the ability to hot- add supported hardware. Windows Server 2. Enterprise is also the required edition to issue custom certificate templates. Datacenter[edit]Windows Server 2. Datacenter is designed[1. Windows Server 2. IA- 3. 2, Itanium, and x. It supports a maximum of 3. IA- 3. 2 platform or 6. IA- 6. 4 hardware. IA- 3. 2 versions of this edition support up to 6. GB of RAM.[1. 5] With Service Pack 2 installed, the x. TB while the IA- 6. TB of RAM.[1. 5] Windows Server 2. Datacenter also allows limiting processor and memory usage on a per- application basis. This edition has better support for storage area networks (SANs): It features a service which uses Windows sockets to emulate TCP/IP communication over native SAN service providers, thereby allowing a SAN to be accessed over any TCP/IP channel. With this, any application that can communicate over TCP/IP can use a SAN, without any modification to the application. The Datacenter edition, like the Enterprise edition, supports 8- node clustering. Clustering increases availability and fault tolerance of server installations by distributing and replicating the service among many servers. This edition supports clustering with each cluster having its own dedicated storage, or with all cluster nodes connected to a common SAN. Derivatives[edit]Windows Compute Cluster Server[edit]Windows Compute Cluster Server 2. CCS), released in June 2. It is designed to be deployed on numerous computers to be clustered together to achieve supercomputing speeds. Each Compute Cluster Server network comprises at least one controlling head node and subordinate processing nodes that carry out most of the work. Compute Cluster Server uses the Microsoft Messaging Passing Interface v. MS- MPI) to communicate between the processing nodes on the cluster network. It ties nodes together with a powerful inter- process communication mechanism which can be complex because of communications between hundreds or even thousands of processors working in parallel. The application programming interface consists of over 1. A job launcher enables users to execute jobs to be executed in the computing cluster. MS MPI was designed to be compatible with the reference open source MPI2 specification which is widely used in High- performance computing (HPC). With some exceptions because of security considerations, MS MPI covers the complete set of MPI2 functionality as implemented in MPICH2, except for the planned future features of dynamic process spawn and publishing. Windows Storage Server[edit]Windows Storage Server 2. Windows Server 2. Network Attached Storage (NAS). Launched in 2. 00. Storage Decisions in Chicago, it is optimized for use in file and print sharing and also in Storage Area Network (SAN) scenarios. It is only available through Original equipment manufacturers (OEMs). Unlike other Windows Server 2. Windows Storage Server 2. CAL. Windows Storage Server 2. NAS equipment can be headless, which means that they are without any monitors, keyboards or mice, and are administered remotely. Such devices are plugged into any existing IP network and the storage capacity is available to all users. Windows Storage Server 2. RAID arrays to provide data redundancy, fault- tolerance and high performance. Multiple such NAS servers can be clustered to appear as a single device, which allows responsibility for serving clients to be shared in such a way that if one server fails then other servers can take over (often termed a failover) which also improves fault- tolerance. Windows Storage Server 2.
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