Users who use these keys receive an error message when they install the latest Service Pack, and these users are asked to obtain a legitimate license and change their product key. [12] Because this agreement is a transaction customer, you have the flexibility to access a wider range of products without making a definite commitment to Microsoft. With unlimited licensing and cross-checking options with and without Insurance software or with user subscription licenses that support a progressive approach. Reducible subscriptions can be accommodated simply by not renewing the subscription, but indeterminate licenses after purchase are a retained asset and cannot be reduced. Microsoft has blocked several volume license keys that have been misused in services packs, starting with Windows XP Service Pack 1. Microsoft has even developed a new key verification engine for Windows XP Service Pack 2, capable of detecting illegal keys, even those that had never been used before. Several security advisers condemned Microsoft`s move and said it was irresponsible to remove a large base for installing various security vulnerabilities, as this uncorrected installation base can be used to send spam emails during large-scale internet attacks such as Trojans. Others have Microsoft`s defense arguing that Microsoft should not provide support to illegal users. After much public outcry, Microsoft decided to disable the new key verification module. Service Pack 2 only searches for the same small list of frequently used keys as Service Pack 1. Users of existing Windows XP installations can also change their product key by following Microsoft`s instructions.

[7] Microsoft Volume Licensing is a term used by Microsoft to describe a program for organizations that require multiple Microsoft product licenses, but do not require multiple copies of software media and documentation provided with the software. Microsoft Volume Licensing typically offers organizations lower prices, two- or three-year licensing agreements and often rights to use products that are not included in FPP (Full Packaged Product) licenses, for example. B the rights to copy the software on multiple devices. Since its inception, Microsoft has been interested in volume licensing, with the business sector being its main market. With the release of Windows XP in 2001, Microsoft introduced the activation of Microsoft Product , a DRM (Digital Rights Management) system to limit consumer software piracy by verifying the user`s product license application. However, at the time, volume-licensed versions of Windows XP were excluded from this measure. (See . Starting with Windows Vista, Microsoft has implemented two volume licensing methods for IT experts responsible for installing Windows in organizations that are both covered by Microsoft product activation: the first is the Multiple Activation Key (MAC) which is identical to Windows XP volume licensing keys, but which require product activation. The second key management server (SMS) and the corresponding keys.

Hosts that are enabled via a KMS must connect to a software licensing server every 180 days. [4] [5] Licenses using these schemes can be obtained through the Microsoft Software Assurance program. Transaction volume license agreement for business users with more than 250 users or devices. A volume license key that was widely 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 version of Warez`s final version of Windows XP by a group called devils0wn, 35 days before the official release of the sale on August 28, 2001. [9] The key is now obsolete, 2004 since it has been blacklisted by Microsoft since August 2004 and the affected computers display a WGA notification. [10] It became famous, not least because it is broadcast in a popular image on the Internet before the launch of Windows XP.