To look up your product and see if it requires a VLK, see the Product Activation and Key Information page on the Microsoft Volume Licensing site. Types Of Volume License Keys. Prior to the release of Windows Vista, there was only one type of VLK for all Microsoft products acquired through Volume Licensing. Microsoft Volume Licensing Service Center or VLSC User Guide offers a step-by-step help on how to register, view account details, download products, etc from the Microsoft Volume Licensing Service.

Microsoft Volume Licensing

In software licensing, a volume licensing is the practice of selling a license authorizing one computer program to be used on a large number of computers or by a large number of users. Customers of such licensing schemes are typically business, governmental or educational institutions, with prices for volume licensing varying depending on the type, quantity and applicable subscription-term. For example, Microsoft software available through volume-licensing programs includes Microsoft Windows, Microsoft Office.^[1][2]

Traditionally, a volume licensing key (VLK), which could be supplied to all instances of the licensed computer program, was involved in volume licensing. With the popularity of the software as a service practices, volume licensing customers only supply their software with credentials belonging to an online user account instead, which is used for other aspects of services and provisioning.

• 2Notable examples
• 3Unauthorized use

Overview[edit]

Traditionally, a product key has been supplied with computer programs. It acts analogously to a password: The computer programs of the old ask the user to prove their entitlement; in response, the user provides this key. This key, however, must only be used once, i.e. on one computer. A volume licensing key (VLK), however, can be used on several computers. Vendors can take additional steps to ensure that their products' key are only used in the intended number. These efforts are called product activation.

Volume licenses are not always transferable. For example, only some types of Microsoft volume license can be transferred, provided a formal transfer process is completed, which enables Microsoft to register the new owner. A very small number of software vendors specialize in brokering such transfers in order to allow the selling of volume licenses and keys. The most notable of these, Discount-Licensing, pioneered the sale of Microsoft volume licenses in this way.^[3]

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Notable examples[edit]

Microsoft[edit]

Microsoft has been engaged in volume licensing since its inception, as the enterprise sector is its primary market. With the release of Windows XP in 2001, Microsoft introduced Microsoft Product Activation, a digital rights management (DRM) scheme to curb software piracy among consumers by verifying the user's entitlement to the product license. At the time, however, the volume-licensed versions of Windows XP were exempt from this measure. (See § Unauthorized use.) Starting with Windows Vista, Microsoft introduced two volume licensing methods for IT professionals in charge of installing Windows in organizations, both of which are covered by Microsoft Product Activation: The first is Multiple Activation Keys (MAK), which are the same as Windows XP's volume licensing keys but require product activation. The second is Key Management Server (KMS) and its corresponding keys. Hosts activated via a KMS have to report back to a software license server once every 180 days.^[4][5] Licenses using these schemes can be procured via the Microsoft Software Assurance program.

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A large group of Microsoft customers are OEMs that assemble and sell computers, such as desktops, laptops, tablet computers and mobile device. In the devices sold by these OEMs, Windows license data is stored in the computer's BIOS in an area referred to as the 'ACPI_SLIC', so that KMS can detect the use of previous Microsoft products even with the storage device removed or erased.^[6] For Windows Vista and Windows 7, the SLIC data are complementary; a volume licensing product key is still supplied with the device, which the user needs in the event of reinstalling Windows. Starting with Windows 8, however, everything needed to authorize the device is stored with SLIC data.

In 2010, Microsoft introduced the Office 365 licensing program. in which Microsoft Office, Microsoft Exchange Server and Skype for Business Server products are licensed based on the software as a service (SaaS) model: In exchange for a monthly subscription fee, software, its updates, support for them, provisioning, administration, licensing and additional services are all provided through an online web-based dashboard. In this scheme, licensed apps communicate recurrently with Microsoft over the Internet; as such, a product key needs not be issued to the user. Instead the administrator needs to sign up for Microsoft account, which holds details such as licensed apps, their number, and payment methods. This account is protected by credentials such as a username and a password.

Adobe[edit]

Introduced in 2011, Adobe Creative Cloud is a SaaS offering in which software produced by Adobe, their updates, support for them, provisioning, administration, licensing and additional services are all provided over the Internet, in exchange for a monthly subscription fee. As with the Office 365, a user account registered with Adobe is all that is required to authorize software and store payment information.

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Unauthorized use[edit]

Microsoft has blocked several volume license keys that have been abused in service packs, starting with Windows XP Service Pack 1. Microsoft even developed a new key verification engine for Windows XP Service Pack 2 that could detect illicit keys, even those that had never been used before. Several security consultants have condemned the move by Microsoft, saying that leaving a large install base unpatched from various security holes is irresponsible because this unpatched install base can be leveraged in large scale Internet attacks, such as Trojan horses used to send spam e-mail. Others have come to Microsoft's defense, arguing that Microsoft should not have to provide support for illegal users. After much public outcry, Microsoft elected to disable the new key verification engine. Service Pack 2 only checks for the same small list of commonly used keys as Service Pack 1. Users of existing installations of Windows XP can also change their product key by following instructions from Microsoft.^[7]

Leaked keys[edit]

Microsoft Licensing Service Center

A volume license key that was commonly used to bypass product activation in early versions of Microsoft's Windows XP operating system was FCKGW-RHQQ2-YXRKT-8TG6W-2B7Q8.^[8] This key was part of the first warez release of the final version of Windows XP by a group called devils0wn, 35 days before the official retail release on 28 August 2001.^[9] The key is now obsolete, as it has been blacklisted by Microsoft since August 2004, and affected computers will display a WGA notification.^[10] It was made famous partly because it featured in a popular image circulated on the Internet before the retail launch of Windows XP. In the image, the key is written on a CD-R containing the leaked operating system and held in front of a digital Microsoft sign counting down the days until the release of Windows XP.^[11]

Windows Volume Licensing Service Center Vlsc

How to download spotify music to ipod. Users using these keys will receive an error message when they install the latest service pack, and such users are told to obtain a legitimate license and change their product key.^[12]

Public KMS servers[edit]

Any client machine with the correct KMS client setup keys can authenticate against any KMS server. KMS client keys are well known and documented publicly by Microsoft.^[13] KMS servers require a minimum of 25 clients to properly activate, but also stop counting additional licenses beyond 50, and automatically accept any client key once reaching the 25 client threshold.

Businesses operating KMS servers are required to properly shield the KMS server behind firewalls so that it cannot be reached from the Internet, and be used to authorize illegal use of KMS client keys by the general public. Public exposure of a KMS server can result in Microsoft revoking the server key, thereby disabling all attaching clients.

External KMS server access is desirable for devices on long-term leave away from the corporate network, as KMS client activation will expire after six months of not being able to contact a KMS server. For this situation, a business can make it accessible through a virtual private network (VPN) known only to the devices outside the corporate network.

KMS server and client emulators[edit]

An unofficial KMS server emulator exists that will activate Windows or Office even if the software was not licensed or paid for, regardless of whether or not there are 25 or more computers on the network, and regardless of whether or not a previous version of Windows was installed.^[14] There is also a program that will send KMS requests to a legitimate KMS server, in order to fool the server into thinking that there are 25 or more computers on the network. Microsoft considers both of these exploits to be a violation of the Terms and Conditions.^[15]

References[edit]

1. ^Lowe, Doug (2008). Networking All-in-One Desk Reference For Dummies (3rd ed.). John Wiley & Sons. pp. 205–206. ISBN9780470333884.
2. ^Microsoft. 'Microsoft Volume Licensing'. Retrieved 21 June 2010.
3. ^'Second-Hand Software Licences for Sale (And They're Legal)'. Out-Law.com. Pinsent Masons. 9 November 2005. Retrieved 23 December 2014.
4. ^Top 7 Things You Should Know About Activation and Genuine Windows (PowerPoint, referred from Windows Activation | Genuine Windows 7, Vista, XP | TechNet)
5. ^'Windows Activation Technologies in Windows 7'. Technet.Microsoft.com.
6. ^'Windows 7 Activation Can Fail Due to BIOS ACPI_SLIC table Issues'. Softpedia. 3 August 2010. Retrieved 22 June 2018.
7. ^Microsoft Help and Support: How to change the product key at the time of activation
8. ^bit-tech.net: Microsoft outlines Vista piracy plans, Published on 5 October 2006 by Wil Harris
9. ^'[iSONEWS] KMSAuto Lite - Microsoft Windows 10 Activator'. Archived from the original on 22 June 2018.
10. ^arstechnica.com: Windows Genuine Advantage for dummies By Matt Mondok | Last updated 29 November 2006 6:19 PM
11. ^'More on the FCKGW-RHQQ2-YXRKT-8TG6W-2B7Q8!'. HarshJ.com. 19 March 2007. Archived from the original on 21 June 2014. Retrieved 22 January 2015.
12. ^'TechRepublic Get IT Done: Change the Product Key on Windows XP'. Articles.TechRepublic.com.^{[permanent dead link]}
13. ^Volume activation: Plan for volume activation: Appendix A: KMS Client Setup Keys, Published: 24 August 2012, Updated: 16 July 2014, https://technet.microsoft.com/en-us/library/jj612867.aspx
14. ^'Microsoft Toolkit - Official KMS Solution for Microsoft Products'. Archived from the original on 3 August 2015.
15. ^'Microsoft Campus-Agreement End-User License-Agreement'. You may not use different versions of different components, such as server software and additional software, unless the license terms for the product expressly permit you to do so.

External links[edit]