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Volume Activation 2.0 Operations Guide
Microsoft Corporation Page 22
Required Privilege: Administrator
Note: This is enforced by the Software Licensing Service and registry ACLs. A registry override in Windows Vista allows a standard user to
call specific methods. These are designated with (*) after the method's name. To do this, an administrator must create and set the following
new registry value:
HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\SL
Value Name: UserOperations
Type: DWORD
Value Data: 1
Warning
Serious problems might occur if you modify the registry incorrectly by using Registry Editor or by using another
method. These problems might require that you reinstall the operating system. Microsoft cannot guarantee that these problems
can be solved. Modify the registry at your own risk.
Class Name Type Parameters Description Scope
SoftwareLicensing
Service
InstallProductKey* unit32 [in] string
ProductKey
Install a product key. All
SoftwareLicensing
Service
InstallLicense* uint32 [in] string License Install a license for the current
product.
All
SoftwareLicensing
Service
InstallLicensePack
age*
uint32 [in] string
LicensePackage
Install a license package for the
current product.
All
SoftwareLicensing
Service
SetKeyManagemen
tServiceMachine
uint32
[in] string
MachineName
Sets the name of the Key
Management Service computer to use
for Volume Activation.
KMS
client
SoftwareLicensing
Service
ClearKeyManagem
entServiceMachine
uint32
Clear Key Management Service
computer name.
KMS
client
SoftwareLicensing
Service
SetVLActivationInt
erval
uint32 [in] uint32
ActivationInterval
The activation frequency, in minutes,
of how often the current computer
should contact the Key Management
Service computer before the client is
licensed. The frequency must be
greater than or equal to 15 and less
than or equal to 43200. An error is
returned if the method is called and
the computer is not a Key
Management Service.
KMS