Windows Server 2008This new Server operating system bases on source code of the Windows Vista Kernel and carries the internal version number 6.0, build 6001. The successor of Windows server 2003 was developed under the code name "Longhorn". The operating system Windows Server 2008 from Microsoft shall further increase the reliability and flexibility in the server environment. This happens by interesting functions, efficient tools and the implementation of innovatively security features. The known Aero interface of Windows Vista was left out. A existing server installation with Windows Server 2003 or Windows Server 2008 Release Candidate is cabable for an upgrade. It is recommended to have at least a 2 ghz processor, 2 gb RAM and 40 gb of free storage on the hard disk.
A new special feature which was never available before in a Windows operating system is beside the option Complete Installation the Server Core Installation without the Windows user interface only with a command line. The administration is possible completely in booth variants, but the core installation is limited to 8 server roles. Hyper-V presupposes a x64 processor of AMD or Intel with virtualization technology and offers a installable virtualization solution during or optionally after the installation. Several instances of operating systems like Windows and Linux can be executed at the same time on a computer with that.
The 4 main versions of Windows Server 2008 are different in the versions for 32 bit and 64 bit systems. For Itamium based computer systems (IA-64) Microsoft offers an optimized version as Web Server and Application Server. The functional range varies depending on variant and covers up to 17 server roles.
Windows Server 2008 Standard supports up to 4 GB RAM in the 32-bit version and 32 GB RAM in the 64-bit version. The operating system supports up to 4 processors. 12 server roles are complete supported, 4 partial and Active Directory Federation Services (ADFS) are not supported.
Windows Server 2008 Enterprise supports up to 64 GB RAM in the 32-bit version and 2 TB RAM in the 64-bit version. The operating system supports up to 8 processors. As field of application this server platform is recommended for the securing of business critical applications in Clusters. All server roles are supported.
Windows Server 2008 Datacenter supports up to 64 GB RAM in the 32-bit version and 2 TB RAM in the 64-bit version. The operating system supports depending on hardware up to 64 processors. As field of application this server platform is recommended for Computer Centres and Clusters. The replace of working memory and processors is possible without shutdown of the running operating system. All server roles are supported.
Windows Web Server 2008 supports up to 4 GB RAM in the 32-bit version and 32 GB RAM in the 64-bit version. As field of application this server platform is recommended for Web Server and supports only this server role.
Product features of Windows Server 2008 (depending on version):
- Hyper-V, Windows Server Virtualization
- PowerShell new command line
- SMB 2.0 for faster file and printer access
- User Interface like Windows Server 2003
- "Bitlocker" for the complete encoding of the hard disk
- Windows SharePoint Services 3.0
- IIS 7.0 Webserver
- RODC (Read Only Domain Controller)
- NAP (Network Access Protection) to isolate unsafe clients
- WDS (Windows Deployment Services)
- WSRM (Windows System Resource Manager)
- Windows Server Backup
- NLB (Network Load Balancing)
The Windows Vista Service Pack 2 of 26th, 2009 brings the operating system up-to-date. In addition to the bug fixes, the Hyper-V virtualization solution is now an integral part of the operating system. With Windows Server 2008 Standard, an additional instance is already included in the license, even unlimited in the Datacenter Edition. The options for authentication over WebDAV redirector were increased and energy management improved. Backward compatibility to legacy terminal server of license keys with 512 bytes in size is now ensured. Older license keys of Citrix applications can now be also used to work on Windows Server 2008 Terminal Server.
Date - Version
2007 Oct. - Windows Server 2008 Release Candidate 02007 Dec. - Windows Server 2008 Release Candidate 12008 Feb. - Windows Server 2008 released, Version 6.02009 May - Windows Server 2008 Service Pack 22009 July - Windows Server 2008 R2 released, Version 6.12020 Jan. - Windows Server 2008 R2 Support discontinued