SharePoint SP2 Bug

All installations of Microsoft Office Server 2007 that have installed SP2 for SharePoint Services are affected by the following bulletin.  In short, it has reset your license key putting the product in trial mode, and it will expire in 180 days without notice.  See the below article for the resolution, and more details.

http://blogs.msdn.com/sharepoint/archive/2009/05/21/attention-important-information-on-service-pack-2.aspx