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Which activation method should be used for virtual computers? Either MAK or KMS may be used to activate virtual computers. KMS is the preferred method because activations are not decremented each time a computer is activated (as is the case when using MAK). This applies to both physical and virtual computers. Consider the following when

What is a Multiple Activation Key (MAK)? A Multiple Activation Key (MAK) activates systems on a one-time basis, using Microsoft’s hosted activation services (that is, it requires connection with a Microsoft activation server). Once computers are activated, no further communication with Microsoft is required. Important:  Each MAK has a predetermined number of allowed activations, based on your

What is the Key Management Service (KMS)? The Key Management Service (KMS) is an activation service that allows organizations to activate systems within their own network, eliminating the need for individual computers to connect to Microsoft for product activation. It does not require a dedicated system and can be easily co-hosted on a system that provides other

What is a Setup Key? A Setup Key is used for each product / version combination to bypass activation (that is, unlock the product). You can obtain a Setup Key in one of the following ways: Physical fulfillment – For products acquired through physical fulfillment, the Setup Key is printed on the media sleeve. Download fulfillment – For products

What is Volume Activation? Volume Activation is a product activation technology that was first introduced with Windows Vista and Windows Server 2008. It is designed to allow Volume License customers to automate the activation process in a way that is transparent to end users. Volume Activation applies only to systems that are covered under a Volume

What are Product Keys? A Product Key enables use of a software product you have licensed under a specific Volume Licensing program. The Product Keys listed in the VLSC should be used with only Volume License products and are intended for use by your organization only. An Online Service Activation (OSA) Key is a type of Product

Are Product Keys required for all Volume Licensing products? No. Some products do not require a product key. “Downloads and Keys” within the VLSC will show you which products require a product key. If your agreement authorizes you access to a product that requires a key, those keys

Software purchased under Open license are perpetual, you can use the software as long as it is installed on your machine, only its authorization number gets expired which is used for re ordering under the same agreement. Note that Authorization # assigned to any license valid for 2 years only. within this period one can

What is a KMS Host Key? A KMS Host Key is used to activate the KMS host computer with a Microsoft activation server and can activate up to six (6) KMS hosts with 10 activations per host. Each KMS host can activate an unlimited number of computers.

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