what is volume shadow copy service windows server 2008
Shadow Copy Shadow Copy (also known as Volume Snapshot Service,[1] Volume Shadow Copy Service[2] or VSS[2]) is a technology included in Microsoft Windows that allows taking manual or automatic backup copies or snapshots of computer files or volumes, even when they are in use. It is implemented as a Windows service called the Volume Shadow Copy service. A software VSS provider service is also included as part of Windows to be used by Windows applications. Shadow Copy technology requires the file system to be NTFS in order to create and store shadow copies. Shadow Copies can be created on local and external (removable or network) volumes by any Windows component that uses this technology, such as when creating a scheduled Windows Backup or automatic System Restore point.
Volume license key Starting with Windows Vista, Microsoft replaced VLKs with Multiple Activation Keys (MAK) and Key Management Server (KMS) keys. Hosts activated via a KMS have to report back to that key server once every 180 days.[3][4]
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Denial-of-service attack A wide array of programs are used to launch DoS-attacks.