Update for Office Communications Server 2007 (KB 956389)

This Package fixes issues described in KB Article 956389...

Update for Lync Server 2010, Conferencing Server (KB 2514975)

This Package fixes some issues described in KB Article 2514975...

Update for Office Communications Server 2007 R2, Unified Communications Manager API 2.0 Core Redist 64-bit (KB 976657)

This Package fixes some issues described in KB Article 976657...

Q327696: Internet Information Services Security Roll-up Package

This update addresses several newly discovered security vulnerabilities affecting Internet Information Services IIS 5.1 with Windows XP Professional, as well as incorporating all previous updates for IIS. Download now help protect the security of your computer...