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:

• preventing wikis and blogs from becoming inaccessible after migration from Leopard Server
• 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
• name queries in Web Calendar match against first name, last name and email attributes 
• improved setup of Podcast Producer service when bound to an Active Directory server
• preventing Podcast Capture from always storing passwords in keychain
• reliability of Web Podcast Capture
• stopping Podcast Producer recordings with remote cameras 
• reliability of connections between Podcast Producer server with remote cameras
• Podcast Producer workflows publishing to a wiki page with an Active Directory account
• synchronization of audio and video output from Podcast Producer workflows which include intro videos or titling or transitions
• use of "-" character in specifying DHCP Subnets with Server Admin
• improved Wiki Server connection latency 
• use of "/" character with Wiki Server mailing lists
• configuration of iChat Server when changing host names using changeip 
• preventing automatic changes to a ".local" domain in iChat Server configuration due to DNS unresponsiveness
• importing of iChat accounts with Managed Preferences
• preventing network homes being used after mobile accounts enabled
• corrections to the iCal Preference Manifest
• viewing of IPP print queues with Workgroup Manager
• reliability of External Accounts with FAT32 file systems
• reliability of applying Managed Preferences to Macs that have been idle
• allowing administrators to bypass Managed Preferences at login
• support for unique Software Update Server catalog URLs for each version of Mac OS X
• improper removal of older updates by Software Update Server
• using Server Assistant to setup remote servers
• reliability and logging of Mail Server
• reliability of Managed Preferences
• reliability of Web Server with PHP scripts
• CalDAV querying of email addresses with Active Directory and Open Directory servers
• stability and reliability accessing Wiki Server pages
• view movies on Wiki Server with Safari on iPad
• accessing publicly accessible Wikis when logged in to the Wiki Server
• listing blogs on Wiki Server 
• vacation mail notices that span across multiple days
• updates from Software Update Server viewable by clients
• stability and reliability to Software Update Server synchronization
• downloading of software updates by Software Update Server
• creating NetInstall images which include iLife updater packages
• address issues copying, renaming, or deleting files on SMB file servers
• improve reliability of VPN connections
• configuring accounts in Server Preferences when bound to an external directory service
• CalDAV handling of Unicode text and attachments
• stability and reliability of Podcast Capture remote camera recordings
• submitting content into Podcast Producer using mv and cp command-line tools
• preventing time drift when capturing dual-source video in Podcast Capture
• syncing Software Update catalogs behind unauthenticated proxy servers 
• upgrading and importing records from older Open Directory servers
• password expiration notifications for Mobile Account users
• using Server Admin to connect to servers in IPv6 environments
• creating NetRestore images from volumes with fragmented catalog files
• ordering of items in System Image Utility "Add Packages and Post-Install Scripts" action
• using Internet Explorer with web-based calendar, wiki, email rules and password reset
• adding and removing imported users in Server Preferences
• synchronizing Portable Home Directory content
• using iCal web interface within select time zones
• previewing and capturing dual-source video in Podcast Capture
• server-side filtering of incoming mail messages
• using chained digital certificates for mail services
• creating images with System Image Utility
• automating installation of NetRestore images
• preventing brute force password attacks
• using sudo command with authenticated Open Directory binding
• binding to Active Directory domains with invalid service records
• creation of mobile accounts for Active Directory users
• correcting a problem that would cause the Software Update cache to grow excessively 
• reliability of services using Grand Central Dispatch
• duplicate serial number alerts on servers with multiple network interfaces

SHA1 38b5564656de9714ce143bf8739c8525d38d5656

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.