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IIS is Internet Information Services, the web server included with Microsoft's Windows Server operating systems.

This is a generic tag. Wherever possible please use a version-specific tag such as:

  • on Windows 2000 and Windows XP Professional - END-OF-LIFE)
  • on Windows Server 2003 and Windows Server 2003 R2 - supported through July 14, 2015; Windows XP x64 Professional - END-OF-LIFE)
  • on Windows Server 2008 and Windows Vista
  • on Windows Server 2008 R2 and Windows 7
  • on Windows Server 2012 and Windows 8
  • on Windows Server 2012 R2 and Windows 8.1

It is also recommended that you tag your questions with the appropriate windows-version tags.


IIS 7 and newer versions are built on a modular architecture. Modules can be added or removed individually so that only modules required for specific functionality have to be installed.

The full installation of IIS includes these standard modules:

  • HTTP (request-processing pipeline, errors, redirects)
  • security
  • content
  • compression
  • caching
  • logging and diagnostics

The IIS Manager is an administration GUI utility. The command-line utility "AppCmd" provides a scriptable interface to the IIS configuration data.

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