Trying to give something back to the Community...
A new ConfigMgr Hotfix has just been released under KB982399 “A System Center Configuration Manager 2007 SP2 site server randomly stops processing status messages”:
IMPORTANT: Remember that Hotfixes should ONLY be applied if you are experiencing the issue documented in the KB Article. If you’re not seeing the issue DON’T apply it as you could end up breaking something else.
Read the complete post at http://wmug.co.uk/blogs/cliffs_blog/archive/2010/05/19/ms-kbs-a-system-center-configuration-manager-2007-sp2-site-server-randomly-stops-processing-status-messages.aspx