The 10.6.7 update is recommended for all servers currently running Snow Leopard Server. This update includes general operating system fixes, as well as specific fixes for:

• properly displaying videos in Wiki pages that have special characters in their URL
• reliability of availability of Wikis after rebooting 
• improved Wiki server cache verification
• reliability of Web Server restarts
• iChat Server now behaves correctly with .local domains
• reliability of capturing videos using Epiphan devices with Podcast Producer
• allowing correct display of 12 digit hardware serial number with Server Admin

SHA = e5df6c1e38f76b8f8c252f4c97a2ee94d9b55403

For detailed information on this update, please visit this website: http://support.apple.com/kb/HT4473.

For detailed information on security updates, please visit this website: http://support.apple.com/kb/HT1222.