I'm not sure about Retail terms, you should check that. There are limitations on how often you can reassign licenses no more than every 90days If hardware "fails", you are allowed to reassign the license in a shorter period than 90days.
One is failover cluster with both hosts running R2 enterprise server versions and each host is hosting 2vms - this means each host can have max 4vms at any given time.
In theory - i still can add one or two vms and activate without additional license for the host but it'd be violation of Microsoft's terms right? Second environment is, 2 standalone standard servers running Hyper-v and each host has 3vms - i did not do it, it was done by someone else. I am assuming that each server has 2 licenses assigned and one more vm can be assigned to each of them.
This is because the rights are derived from the license you bought, and not the OS you are running. Under the WS license, virtualisation rights are based on the number of processors in the host machine, and, the number of licenses you purchased and assigned to that host machine.
For WS, you need a license for every two processors. Each of these licenses permits you to run two instances of the OS. So assuming your second environment has two server machines, each with no more than two processors, each of these machines requires two WSSTD licenses. This allows you to run up to four VMs on each host, plus HyperV on each host as the hypervisor-only.
If these machines have four processors in each machine, things change, since you need a WS license for every two processors. The decision of which license, is determined by the amount of virtualisation you want to do, and, the price you would need to pay to get the desired amount of virtualisation. The downgrade rights e. VL agreements especially if Software Assurance is attached allow very generous downgrade and upgrade rights.
I spoke with Microsoft Support couple of hours ago and they said WS license is downgradable and i should be good to install more VMS on my R2 enterprise servers as long as i have those licenses - Two licenses in my case. We are getting our software from the source where it is relatively cheap and getting 2 WS DTE server licenses not going to be a big hit for us. Depending upon the type of VL agreement you have, you may already have access to the correct keys and downloads.
If that is the case, when you purchase, you just use the keys from your VLSC. Office Office Exchange Server. Not an IT pro? Windows Server TechCenter. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:.
Archived Forums. Windows Server General. Sign in to vote. Please contact your Microsoft representative for a quote. Pricing and licensing for Windows Server Choose from three primary editions of Windows Server based on the size of your organization, as well as virtualization and datacenter requirements. Pricing and licensing overview The following page is intended to provide you with reference pricing for Windows Server Windows Server Edition. Datacenter [2]. Microsoft Cloud Platform partners.
Microsoft delivers great Windows Server solutions across cloud and on-premises. Feature support key Feature available Feature not available Limited feature. Standard edition is ideal for those customers who want to have a physical or lightly virtualized environment. This edition enables you to run up to two virtual instances of Windows Server with each license and provides all the same features as Datacenter edition.
The licensing for Standard edition will continue to be processor plus CAL, with each license covering up to two physical processors on a single server, just like Datacenter edition. Essentials edition is ideal for small businesses that have up to 25 users and want to have a simpler, pre-configured connection to cloud-based services.
This edition enables you to run a single virtual instance of Essentials. The licensing for Essentials will continue to be a server license for a two processor server that does not require CALs. Foundation edition is ideal for small businesses that have up to 15 users and want a general purpose server.
The licensing for Foundation has not changed; it continues to be a server license for a one-processor server that does not require CALs and is sold only through OEM original equipment manufacturer. FAQ Find answers to questions about features, licensing models, and determining which edition is right for you.
How is Windows Server R2 licensed? Here are just a few examples:. With Datacenter Edition licensing, customers get these lower-cost instances in Azure while maintaining existing on-premises deployments. This is referred to as dual use rights. Standard Edition licensing provides lower-cost instances in Azure, but does not provide dual use rights.
This means access to base Windows Server functionality on Azure does not require base Windows Server CALs, and customers can leverage the Azure hosting clause to host their own customer solutions. Customers may use Windows Server on other public clouds via infrastructure as a service IaaS offerings through authorized Service Providers. In order to provide customers with a variety of options to license Windows Server, Microsoft makes licenses for Windows Server available to Service Providers for sale to customers as part of Service Provider solutions.
This is done through agreement between Microsoft and Service Providers. Windows Server product page. Windows Server licensing guide. Windows Server licensing datasheet. Azure Hybrid Benefit. Introduction to Microsoft Core licensing. Licensing Windows Server for use with virtualization technologies.
Windows Server Windows Server is the operating system that bridges on-premises environments with Azure, adding additional layers of security while helping you modernize your applications and infrastructure. Windows Server site.
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