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Article ID: 259197 - Last Review: October 25, 2007 - Revision: 3.3

This article was previously published under Q259197

SUMMARY

This article lists the status of Microsoft Exchange 2000 Server and Exchange Server 2003 components on a server cluster.

MORE INFORMATION

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ComponentFunctionalityNotes
Exchange system attendantActive/activeMultiple virtual servers for each node.
Information storeActive/activeAfter failover, each node is limited to four storage groups.
Message transfer agent (MTA)Active/passiveOne instance for each cluster. The MTA is in only one cluster group.
POP3Active/activeMultiple protocol virtual servers for each node.
IMAPActive/activeMultiple protocol virtual servers for each node.
SMTPActive/activeMultiple protocol virtual servers for each node.
HTTPActive/activeMultiple protocol virtual servers for each node.
NNTPNot supported
Key Management ServiceNot supported(This component does not run on Exchange 2003 at all.)
Full-text indexingActive/active
Instant MessagingNot supported(This component does not run on Exchange 2003 at all.)
ChatNot supported(This component does not run on Exchange 2003 at all.)
Exchange Connector for Novell GroupWiseNot supported
Exchange Connector for Lotus NotesNot supported
Exchange Connector for Lotus cc:Mail Not supported(This component does not run on Exchange 2003 at all.)
Exchange Connector for Microsoft MailNot supported
Exchange Connector for IBM OV/VM (PROFS)Not supported
Exchange Connector for SNADSNot supported
Microsoft Exchange Event Not supported
Exchange Conference Server (ECS)Not supported(This component does not run on Exchange 2003 at all.)
Exchange Calendar Connector Not supported


Microsoft Exchange Conferencing Server Service Pack 1 has a built-in failover mechanism that is separate from MSCS. The mechanism permits you to install and to define a backup conferencing server. If the active host server fails, a polling mechanism alerts the backup server and it assumes the role of the active host server.

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