Differences between Exchange 2000 Standard and Enterprise versions

Article ID	:	296614
Last Review	:	September 6, 2005
Revision	:	7.2

This article was previously published under Q296614

SUMMARY

Exchange 2000 Server is available in two different editions, Standard and Enterprise. This article describes certain features that are only available in the Enterprise version, and lists some limitations to consider in the Standard Edition.

MORE INFORMATION

The following feature enhancements are provided in Microsoft Exchange 2000 Enterprise Server:

Database size is limited only by hardware (with a maximum size of 16 terabytes).
Up to four storage groups can be created on server.
Up to five information stores can exist in each storage group.
Exchange 2000 Enterprise Server can be clustered on the Microsoft Cluster Server Service.
Exchange 2000 Enterprise Server can be implemented as a front end server for front end/back end configuration.
The X.400 Connector is included.

The limitations to Microsoft Exchange 2000 Server Standard Edition include:

Four storage groups can be created on a server.
One mailbox store database and one public folder store database that can be accessed by using MAPI and Outlook Web Access
Up to four more public folder store databases that are only accessible programmatically
Maximum 16-gigabyte (GB) database limit per database Note Individual database size is the combined size of the .edb file and the .stm file for that database.
Exchange clustering is not supported
Exchange front-end server configuration is not supported
X.400 connector is not supported

For more information, click the following article numbers to view the articles in the Microsoft Knowledge Base:

Exchange 2000 Server Product Line (http://support.microsoft.com/kb/272601/) Information on the Exchange 2000 Server product line

APPLIES TO

Microsoft Exchange 2000 Server Standard Edition
Microsoft Exchange 2000 Enterprise Server

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