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VAMT Requirements

Applies To: Windows 8, Windows 8.1

Product Key Requirements

The Volume Activation Management Tool (VAMT) can be used to perform activations using any of the following types of product keys.

Product Key Type Where to Obtain
  • Multiple Activation Key (MAK)

  • Key Management Service (KMS) host key (CSVLK)

  • KMS client setup keys (GVLK)

Volume licensing keys can only be obtained with a signed contract from Microsoft. For more information, see the Microsoft Volume Licensing portal.

Retail product keys

Obtained at time of product purchase.

System Requirements

The following table lists the system requirements for the VAMT host computer.

Computer and Processor

1 gigahertz (GHz) 32-bit (x86) or 64-bit (x64) processor


1 gigabyte (GB) RAM (32-bit) or 2 GB RAM (64-bit)

Hard Disk

16 GB available hard disk space (32-bit) or 20 GB (64-bit)

External Drive

Removable Media (Optional)


1024x768 or higher resolution monitor


Connectivity to remote computers via Windows® Management Instrumentation (TCP/IP) and Microsoft® Activation Web Service on the Internet via HTTPS

Operating System

Windows 7, Windows 8, Windows Server 2008 R2, or Windows Server 2012.

Additional Requirements

  • Connection to a SQL Server database. For more information, see Install VAMT.

  • PowerShell 3.0: For Windows® 8 and Windows Server® 2012, PowerShell is included in the installation. For previous versions of Windows and Windows Server, you must download PowerShell 3.0. To download PowerShell, go to Download Windows PowerShell 3.0.

  • If installing on Windows Server 2008 R2, you must also install .NET Framework 3.51.

See Also


Install and Configure VAMT