IIS Versions and Timeline

I put this list together sometime ago, but I don't recall why. In any event, the following time line illustrates the history of Microsoft's Internet Information Services and the individual services that shipped with each version.

  • 1996 - IIS 1.0 - Add-on for Windows NT 3.51
    • HTTP
  • 1996 - IIS 2.0 - Released with Windows NT 4.0 RTM
    • HTTP
    • FTP
    • Gopher
  • 1996 - IIS 3.0 - Released with Windows NT 4.0 SP3
    • HTTP
    • FTP
    • Gopher
  • 1997 - IIS 4.0 - Released with Windows NT Internet Option Pack
    • HTTP
    • FTP
    • SMTP (Only on server)
    • NNTP (Only on server)
  • 2000 - IIS 5.0 - Released with Windows 2000
    • HTTP
    • FTP
    • SMTP (Only on server)
    • NNTP (Only on server)
  • 2002 - IIS 5.1 - Released with Windows XP Professional
    • HTTP
    • FTP
    • SMTP
  • 2003 - IIS 6.0 - Released with Windows Server 2003
    • HTTP
    • FTP
    • SMTP
      (Note: A POP3 service also shipped with Windows Server 2003, but not as part of IIS.)
  • 2008 - IIS 7.0 - Released with Windows Server 2008 and Windows Vista
    • HTTP
    • FTP
      (Note: A newer FTP service was released out-of-band for IIS 7.0.)
  • 2009 - IIS 7.5 - Released with Windows Server 2008 R2 and Windows 7
    • HTTP
    • FTP
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