Microsoft recently released the SP2 for SharePoint, good stuff. However, now it seems as if the SharePoint installation will expire 180 days after the installation of the SP… Not what the average user would expect.

More info:

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

KB Article here (soon): http://support.microsoft.com/kb/971620