How many editions of windows server 2008

Differences Between the Editions of Windows Server During a project that involves the choice of the operating system, know the differences and the features between the candidates is crucial to better argument within the negotiation. This article aims to show the differences between the editions of Windows Server family. These functions do not require much memory. When planning the installation of such system it must been take into account that the functions of failover cluster and AD Federation Services are functions of the Enterprise edition or Datacenter edition.

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For example, whilst it is possible to run Windows Server in Mb of RAM it is unlikely that performance levels will be optimal with such a configuration. Jump to: navigation , search. Navigation menu Personal tools. Namespaces Page Discussion. Views Read View source View history.

This page was last modified on 27 October , at As they say, nothing lasts forever. And at some point, Microsoft stops releasing patches for legacy software. The date by which Microsoft releases product updates is called the end date of support. And after this date has passed, an outdated version of the OS will become an easy target for malware, since it will no longer receive security updates and, therefore, will be vulnerable to new exploits.

Microsoft operating systems are usually supported for at least 10 years. For example, the popular Windows Server , released in April , had extensive support that ended in Extended support for Windows Server R2 should end in January , and Windows Server R2 will continue to receive updates until at least October Versions of Server and will receive updates through and , respectively.

Therefore, for security reasons, organizations should only use the latest versions of Windows Server. When you buy a car, at least several sets of the same model are available to you.

For example, the basic economical option, a luxurious option with leather seats and a sunroof, as well as a sporty option with larger wheels and a more powerful engine. In other words, each version of the car has its price and feature set for groups of customers with different budgets and needs.

The same goes for Windows Server editions. Each option includes functionality that is suitable for different companies, depending on their size and budget. For example, different editions may support a different number of users. To help understand some of the differences between OS editions, let's look at an example of Windows Server R Virtualization Rights You are allowed to run one physical Essentials instance as a Hyper-V host that hosts one Essentials virtual instance.

You need to remove all roles except the Hyper-V role from the physical instance of Essentials to ensure compliance. Essentials are also suitable for one virtual instance on any other hypervisor. Licensing model based on the processor. Client licenses are not required, but you are limited to 25 users and 50 devices connecting to the server. Virtualization Rights You can run up to two Hyper-V virtual machines or containers or one physical instance with a standard license. If you use the Hyper-V role only on a physical instance, you can use it as a Hyper-V host, and then host two Hyper-V virtual machines on that host.

If you want to use multiple roles on a physical instance, you cannot start the virtual machine on top with the same license. Licensing model based on the core. Client licenses are required for each user or device that connects indirectly or directly to the server.

For example, if you use the server as a file server, you will need a CAL for each user account or computer that accesses this file server on the network. Virtualization Rights The unlimited number of virtual machines or Hyper-V containers.