Microsoft KB Archive/246739

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Exchange Server Front-end/Back-end Terminology and Implementation

PSS ID Number: 246739

Article Last Modified on 8/26/2003

The information in this article applies to:

  • Microsoft Exchange Server 2003 Enterprise Edition
  • Microsoft Exchange Server 2003 Standard Edition
  • Microsoft Exchange 2000 Server

This article was previously published under Q246739


This article presents the distinction between front-end and back-end servers and explains the types of back-end servers in Microsoft Exchange 2000 Server and Microsoft Exchange 2003.

Exchange 2000 Standard Edition cannot be used as a front-end server in a front-end/back-end configuration. Exchange 2000 Standard Edition can be used as a back-end server. Exchange 2003 Standard Edition can be used as both a front-end and a back-end server.

Exchange Enterprise Server can be implemented as a front-end server or a back-end server for front-end/back-end configuration.For additional information on the differences between Exchange 2000 Enterprise Server and Exchange 2000 Standard Edition, click the article number below to view the article in the Microsoft Knowledge Base:

296614 Differences Between Exchange 2000 Standard and Enterprise


A front-end server does not host an Exchange information store. Clients connect to a front-end server that in turn transmits commands to a specific back-end server. A back-end server hosts an Exchange information store. Clients may connect to these computers directly or they may be connected by a front-end server proxy.

Additional query words: XADM

Keywords: kbinfo KB246739
Technology: kbExchange2000Search kbExchange2000Serv kbExchange2000ServSearch kbExchangeSearch kbExchangeServ2003Ent kbExchangeServ2003Search kbExchangeServ2003St