Microsoft KB Archive/811652

= XADM: Installing Exchange 2000 SP1 in a Front-End/Back-End Topology =

PSS ID Number: 811652

Article Last Modified on 4/30/2003

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The information in this article applies to:


 * Microsoft Exchange 2000 Enterprise Server
 * Microsoft Exchange 2000 Server

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SUMMARY
This article describes the recommended installation procedure for Exchange 2000 Service Pack 1 (SP1) when your Exchange 2000 computers are configured in a front-end/back-end topology.



MORE INFORMATION
If you configure your Exchange 2000 conputers as front-end and back-end servers, Microsoft recommends that you first install Exchange 2000 SP1 on the front-end servers before you install it on the back-end servers. If you have multiple front-end servers, you do not have to upgrade all of them at the same time. You only have to upgrade all front-end servers before you install Exchange 2000 SP1 on any of the back-end servers.

If you first install Exchange 2000 SP1 on the front-end servers, service for Microsoft Outlook Web Access clients is not interrupted. When an OWA client connects to an Exchange 2000 computer, it downloads script files from the front-end server. The script files on front-end servers that have been upgraded to Exchange 2000 SP1 are not compatible with back-end servers that have been upgraded to Exchange 2000 SP1. However, the script files on an Exchange 2000 SP1 front-end server are compatible with back-end servers that have not been upgraded to Exchange 2000 SP1.

For additional information about Exchange 2000 service packs, click the following article numbers to view the articles in the Microsoft Knowledge Base:

152439 XADM: How to Tell if Exchange Has a Service Pack Installed

301378 XGEN: How to Obtain the Latest Exchange 2000 Server Service Pack

For additional information about Exchange 2000 front-end and back-end configurations, click the following article numbers to view the articles in the Microsoft Knowledge Base:

326276 XADM: White Paper - Using Microsoft Exchange 2000 Front-End Servers

326268 XADM: White Paper - Microsoft Exchange 2000 Front-End Server and SMTP Gateway Hardware Scalability Guide

Keywords: kbnofix kbBug KB811652

Technology: kbExchange2000EntServ kbExchange2000Serv kbExchangeSearch

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