The server '{2}' is unlicensed. If you have a product key, select the Enter Product Key action on the server work center ...

The server '{2}' is unlicensed. If you have a product key, select the Enter Product Key action on the server work center action pane in Exchange Management Console. If you do not have a product key, see http://go.microsoft.com/fwlink/?LinkId=63906 for information about how to license your Exchange 2007 servers. The server has {3} days remaning before it expires.