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Win Server 2012 DataCenter 5 CAL , microsoft windows server 2012 OEM Key
Windows Server 2012 Standard powers many of the worlds' largest data centers, enables small businesses around the world, and delivers value to organizations of all sizes in between. Building on this legacy, Windows Server 2012 redefines the category, delivering hundreds of new features and enhancements spanning virtualization, networking, storage, user experience, cloud computing, automation, and more. Simply put, Windows Server 2012 helps you transform your IT operations to reduce costs and deliver a whole new level of business value.
| Specification | Windows Server 2012 | Windows Server 2008 R2 |
|---|---|---|
| Physical processors[a] | 64 | 64 |
| Logical processors when Hyper-V is disabled | 640 | 256 |
| Logical processors when Hyper-V is enabled | 320[b] | 64 |
| Memory | 4 TB | 2 TB |
| Failover cluster nodes (in any single cluster) | 64 | 16 |
Upgrades from Windows Server 2008 and Windows Server 2008 R2 are supported, although upgrades from prior releases are not.[50]
Reviews of Windows Server 2012 have been generally positive.[57][58][59] Simon Bisson of ZDNet described it as "ready for the datacenter, today,"[57] while Tim Anderson of The Register said that "The move towards greater modularity, stronger automation and improved virtualisation makes perfect sense in a world of public and private clouds" but remarked that "That said, the capability of Windows to deliver obscure and time-consuming errors is unchanged" and concluded that "Nevertheless, this is a strong upgrade overall."[58]
InfoWorld noted that Server 2012's use of Windows 8's panned "Metro" user interface was countered by Microsoft's increasing emphasis on the Server Core mode, which had been "fleshed out with new depth and ease-of-use features" and increased use of the "practically mandatory" PowerShell.[60] However, Michael Otey of Windows IT Pro expressed dislike with the new Metro interface and the lack of ability to use the older desktop interface alone, saying that most users of Windows Server manage their servers using the graphical user interface rather than PowerShell.[61] The Australian construction company Kennards found the OS stable.[62]
Paul Ferrill wrote that "Windows Server 2012 Essentials provides all the pieces necessary to provide centralized file storage, client backups, and remote access,"[63] but Tim Anderson contended that "Many businesses that are using SBS2011 and earlier will want to stick with what they have", citing the absence of Exchange, the lack of ability to synchronize with Active Directory Federation Services and the 25-user limit,[64] while Paul Thurott wrote "you should choose Foundation only if you have at least some in-company IT staff and/or are comfortable outsourcing management to a Microsoft partner or solution provider" and "Essentials is, in my mind, ideal for any modern startup of just a few people."[65]
Windows Server 2012 R2 is a proven, enterprise-class cloud and datacenter platform that can scale to run your largest workloads while enabling robust recovery options to protect against service outages. It helps accelerate time to value by simplifying your underlying infrastructure and allowing you to reduce cost by taking advantage of industry-standard hardware. Windows Server 2012 R2 helps you build, deploy and scale applications and web sites quickly, and gives you the flexibility to move workloads between on-premises environments and the cloud. It enables you to provide flexible, remote access to corporate resources while managing identities across your datacenter and federated into the cloud, and it helps you protect critical business information.
