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[SOLVED] How to downgrade a windows server license to use with windows server ? 

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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! Unlike Windows Server Essentials non-R2 , you can now run a single instance of a virtual machine.

The server licensing rights have been expanded, allowing you to install an instance of Essentials on your physical server to run the Hyper-V role with none of the other roles and features of the Essentials Experience installed , and a second instance of Essentials as a virtual machine VM on that same server with all the Essentials Experience roles and features.

Definition of a socket is a CPU or physical processor. Logical cores are not counted as sockets. A single license of Standard and Datacenter edition covers up to two physical processors per physical server. Standard edition allows up to 2 virtual instances while the Datacenter edition allows unlimited number of virtual instances.

For example, a Windows Server R2 Standard edition installed on a physical server with one socket CPU can support up to two instances of virtual machines. These virtual machines can be Server R2 Standard or Essentials edition. Similarly, if you install a Windows Server R2 Datacenter edition , then you can install an unlimited number of virtual machines.

Scenario 2 : Install Server Standard Edition on a physical server with 1 physical processor, running 8 instances of virtual machines. A total of 50 users will be accessing the server. Remember that a single Standard edition license covers up to two physical processors and up to two instances of virtual machines. Windows Server has downgrade rights but if you purchase Retail or OEM licenses, you are on your own to find media and keys to activate.

The reseller is under no obligation to help you and Microsoft provides -zero- support for OEM licenses. If you purchase via Volume Licensing, Microsoft provides you with downgrade media and keys. After contacting the re-seller, he instructed me to make a clean installation of windows server and that there is an application to perform the downgrade. He said he'll contact his line of support. Should activate fine as long as you don't make it a domain controller first.

Do you have a key from a different Server license? You can use that to activate if so. Like Schmoo said, they're not obligated to provide a key. A lot of times they will if asked, but it's not a requirement. AFAIK, no downgrade tool exists. You could approach this from a support side and maybe get results. Tell them you're having issues using the key to activate and that you're not able to find a tool to downgrade That's the normal way to handle this - use a key that you have from a previous purchase, 'borrow' from a friend, whatever and if you have activation issues at that point, you call the activation center and explain you are exercising your downgrade rights.

After they confirm your license is legit, they'll issue you an unlock key. BUT, you need a key to get to the point where you can do that. The bottom line here is there is really no way for a reseller to provide you with a key for a previous version.

Pretty much everyone else, even the big guys like CDW, have no ability to do this. I do have a license which was bought alongside with another license and two other So, it would be ok for me to use my license even though it is being used in another Windows Server, and use it to try to change to the license key and then call microsoft?

Keys are just for activation and separate from licensing. As long as you have the license to back up the number of servers you're running, you're golden. You'd install Sever and activate it with your previous key. It'll probably fail to activate, and you'll call the activation hotline. When they ask why you're doing this, you just need to tell them you have a Server OEM license and are exercising downgrade rights.

You won't do anything with the key at this time. Brand Representative for Microsoft. OEM versions released with or after the Windows Server R2 operating system allow for downgrade rights to an earlier version of the software. Just got out of a call with microsoft hotline, and they informed me that the procedure could not be done to this kind of license, only if it were a CAL license.

I'd call back. I thought about calling again, but during my firs call he told he was consulting with his colleagues asking if any of them had done this before and the answer was no, and that why I did not call back.

When I used the key to activate the server, it did not fail and activated the server, even though this key's being used in another working server. Can I just leave it like that and call it a day? I don't know if you document your licenses. It is recommended to do so. Then the last step would be to document that you used your downgrade right of your license on given server. You may need this documentation years later either in a license audit or when migrating back to Windows Server If you don't document your licenses, you're done.

But you'll risk to forget that you have such a license, and which license has which OEM constraints. And please don't forget to read the recommendations of our field guides, especially those on getting started and on pos t ing good questions, including the helpful references found at the bottom of its web page.

Login or sign up to reply to this topic. Didn't find what you were looking for? Search the forums for similar questions or check out the Windows Server forum. Hey everyone,Doing some homework for a client and want to get your opinions on best way to do this. So recently got this company upgraded from their old servers to a new one running Server