Several Office Communications Server 2007 R2 components require Internet Information Services (IIS). This section describes the requirements of specific components for IIS.

Security Note:
If you are using IIS 7.0 on a Windows Server 2008 operating system, Office Communications Server 2007 R2 Setup disables kernel mode authentication in IIS. For details, see Internet Information Services (IIS) 7.0 Kernel Mode Authentication Settingsin Administering Office Communications Server 2007 R2 in the Operations documentation.

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