http://blogs.technet.com/b/chitpro-en/archive/2009/05/22/sharepoint-server-2007-sp2-bug-with-product-expiry.aspxDuring the installation of Service Pack 2 (SP2), a product expiration date is improperly activated. This means SharePoint will expire as though it was a trial installation 180 days after SP2 is deployed. The activation of the expiration date will noten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)