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Upgrade Options for Windows Server R2 - Windows Update considerations
Asked 4 months ago. Modified 4 months ago. Viewed 2k times. Any help on this would be really great, Thanks. Improve this question. Add a comment. Sorted by: Reset to default. Highest score default Date modified newest first Date created oldest first.
Improve this answer. Bernd Schwanenmeister Bernd Schwanenmeister 2 2 silver badges 4 4 bronze badges. My apologies. Before purchasing the Windows Server operating system, it is very important to understand the difference between various editions, the table below shows the difference between the four editions of Windows Server For example, a CAL assigned to a user, allows only that user to access the server via any device.
Likewise, if a DAL is assigned to particular device, then any authenticated user using that device is allowed to access the server. We can use a simple example to help highlight the practical differences between CAL and DAL licensing models and understand the most cost-effective approach:. Assume an environment with Windows Server R2 standard edition and a total of 50 users and 25 devices workstations. In this case, we can purchase either 50 CAL licenses to cover the 50 users we have or alternatively 25 DAL licenses to cover the total amount of workstations that need to access the server.
In this scenario, purchasing DALs is a more cost effective solution. If however we had 10 users with a total of 20 devices , e. Windows Server Foundation is available to OEMs Original Equipment Manufacturers only and therefore can only be purchased at the time of purchasing a n new hardware server.
Windows Foundation edition supports up to 15 users. In addition, Foundation edition owners cannot upgrade to other editions. The Essential edition of server is available to OEMs with the purchase of new hardware and also at retail stores.
The user limit of this server edition is 25 and device limit is This means that a maximum of 25 users amongst 50 computers can access the Windows Server Essentials edition. For example, you have 20 users rotating randomly amongst 25 computers accessing the Server Essentials edition, without any problem.
A common question at this point is what if the organization expands and increases its users and computers? In these cases Microsoft provides an upgrade path allowing organizations to upgrade to the Windows Server Standard or Datacenter edition license and perform an in-place license transition. Once the transition is complete, the user limitation, and other features are unlocked without requiring migration or reinstallation of the server. Companies upgrading to a higher edition of Windows Server should keep in mind that it will be necessary to purchase the required amount of CALs or DALs according to their users or devices.
Administrators will be happy to know that it is also possible to downgrade the Standard edition of Server to the Essentials edition. For example, it is possible to run Essential edition of Server as virtual machine utilizing one of two available virtual instances in Standard edition as shown in the figure below.
This eliminates the needs to purchase Essential edition of Server Download Now! Installation is the basic concept of getting the new operating system on your hardware. Specifically, a clean installation requires deleting the previous operating system. Upgrade means moving from your existing operating system release to a more recent release, while staying on the same hardware.
For example, if your server is running Windows Server , you can upgrade it to Windows Server R2. You can upgrade from an evaluation version of the operating system to a retail version, from an older retail version to a newer version, or, in some cases, from a volume-licensed edition of the operating system to an ordinary retail edition.
License conversion in some operating system releases, you can convert a particular edition of the release to another edition of the same release in a single step with a simple command and the appropriate license key. Migration means moving from your existing operating system to Windows Server R2 by transferring to a different set of hardware.
Depending on your scenario, you might encounter a variety of different upgrade pathways. Note the following general guidelines for supported paths: In-place upgrades from bit to bit architectures are not supported. All editions of Windows Server R2 are bit only.
In-place upgrades from one language to another are not supported. In-place upgrades from one build type fre to chk, for example are not supported. Upgrades from pre-release versions of Windows Server R2 are not supported. Perform a clean installation to Windows Server R2. Converting a current evaluation version to a current retail version. To do this, do either of the following: From an elevated command prompt, run slmgr.
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