Microsoft just released a new KMS mp for opmsgr 2007. Be carefull when importing it via the catalog with the OpsMgr 2007 R2 console. Before importing the mp you will need to uninstall any previous version of the mp AND you will also need to run a sql Clean up query to delete the previous KMS tables, KMS grooming jobs and any other KMS mp related stored procedure! This SQL cleanup query is not available when importing the management pack with the console. You will need to download and install the...(read more)

Read the complete post at http://scug.be/blogs/scom/archive/2009/09/18/windows-key-management-service-mp-for-operations-manager-2007.aspx