What's the difference between Exchange Server 5.5, Standard Edition, and Exchange Server 5.5, Enterprise Edition?


Standard Edition

  • Private and public Information Stores (ISs) are limited to 16GB each

  • Includes the Internet Mail Service (IMS), Site, cc:Mail, and Microsoft Mail (MS Mail) connectors

  • Runs on Windows NT 4.0 Server, Standard Edition or Enterprise Edition
Enterprise Edition

  • No hard limit on IS size

  • Includes standard connectors, plus X.400, Lotus Notes, and PROFS/OVM connectors

  • Requires Windows NT Server, Enterprise Edition
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