Key Management Service for Windows Server 2003 SP1 and Later

Microsoft Key Management Service (KMS) for Windows Server 2003 SP1 and later is part of Microsoft Windows Volume Activation 2.0. It allows enterprise users to host KMS on Windows Server 2003 to enable activation of Windows Vista and Windows Server 2008 using a KMS key.

Microsoft Volume Activation 2.0 is a set of technical and policy solutions provided by Microsoft's Software Protection Platform (SPP) that gives Microsoft customers more secure and easier methods to manage their volume license keys.

Key Management Service based activation will allow enterprise customers to easily host a local service within their environment to enable activation of machines running Microsoft Windows Vista and Microsoft Windows Server 2008 volume editions within theirComputers that have been activated using KMS are required to reactivate by connecting to a KMS host at least once every 6 months.

KMS keys are provided through Microsoft's Volume Licensing System portals (MVLS, eOpen). The KMS host needs to be activated once with Microsoft either online or via telephone.

KMS for Windows Server 2003 provides the same feature set as version 1.0 and the following additional functionality: ￭ A single KMS host which support volume license editions of both Windows Vista RTM/SP1 and Windows Server 2008 ￭ Running KMS version 1.1 in a Windows Server 2003 virtual machine.

Key Management Service (x64) for Windows Server 2003 SP1 and Later UPDATES: May 2008 ￭ Fixed issue with KB948003.EXE which prevented installation on localized versions of Windows Server 2003 SP1 ￭ Updated Step-By-Step guide with detailed installation instructions