Microsoft Office 2010 Volume Licensing customers to activate their volume license together with the volume license key (VLK). Microsoft has made it mandatory to go through the volume license activation to begin using the volume of licensed products as it did in the case of Windows 7 and Windows Server 2008. How Office 2007 and Office 2003, you must provide a volume of 25 character license key (VLK) to install, so that end users will not have to convert again with the product license key, you can simply ignore this step .
This problem allows users to download pirated copies of Microsoft Office 2010 does not require activation using the product. To solve this problem, Microsoft is planning to curb counterfeiting of Office with Office Genuine Advantage (OGA) for validation and Office Genuine Advantage Notifications, but soon the hackers will develop cracks or patch to circumvent restrictions OGA, this does not seem to be the way to control piracy. Microsoft Office 2010 or KMS activation to MAK product key search plans and the version of MS Office 2010, Microsoft goes a step further in the fight against hackers and crackers and Software Protection Platform (SPP), which was initially implemented operating systems like Windows Vista and Windows Server 2008. As a result, all of Office 2010 license acquired through volume licensing channel must be activated through KMS (Key Management Server) for the local activation of more than 25 licenses, or MAK (Multiple Activation Key)
You have to configure Key Management Service host to activate Office 2010 clients Just follow below mention steps for MS Office 2010 activation.
Key Management Service (KMS) hosts configured to activate MS Office should be installed.
If you want KMS host to activate multiple Microsoft products such as Office 2010 and Windows 7 you will need to install the Windows KMS host key with Office KMS host key and activate both of them.
Microsoft Office KMS clients are only activated when five or more than five computers with MS Office installed attempt to get activated using the KMS host. In case of windows activation starts after 25 or more than 25 computers with Windows client request for activation.