Office 2010 can also be activated leveraging an Office 2010 KMS host which is a separate download from Microsoft. This information can also be found on Microsoft Technet.

Group C includes Server 2008 Datacenter and will activate A/B/C group servers and Windows 7/Vista Volume Editions.Group B includes Server 2008 R2 Standard/Enterprise Edition and will activate B group and A group servers plus Windows 7/Vista Volume Editions.Group A includes Server 2008 R2 Web Edition and will activate other A group servers and Windows 7/Vista Volume Editions.The KMS license keys have letter designations that describe the Windows product type that can be activated: A single KMS host can handle the activation requirements for even a very large organization with tens of thousands of machines. This single KMS key is good for 6 KMS servers, if more are needed, a call to Microsoft is necessary for more. There is a caveat to this there needs to be at least 5 servers communicating with the KMS host for server activation to occur or 25 Windows 7 or Vista machines for client activation. This is the key that is entered as the server’s product key at the Windows Activation window which is all that is necessary for configuring a KMS server. KMS requires a KMS key for volume activation which is typically the Windows Server 2008 Standard/Enterprise KMS B activation key. If the KMS Server is installed on an isolated network, KMS can be activated with a phone call. The KMS Server will communicate with Microsoft servers on the Internet to activate the KMS license. In order for the KMS Server to activate Windows 7, the easiest method is to install KMS on a Windows 2008 R2 server (Windows 2003 & 2008 require an update to activate Windows 2008 R2 & Windows 7). An organization can configure a KMS Server to service all activation requests in the enterprise. The KMS Server is the Key Management Server for Microsoft product activation, primarily OS activation.

Kms windows activator