Exchange Server 2007 Editions

Exchange Server 2007 is offered in two server editions: Standard Edition and Enterprise Edition.

•	Exchange Server 2007 Standard Edition is designed to meet the messaging and collaboration needs of small and medium corporations; it may also be appropriate for specific server roles or branch offices.
•	Exchange Server 2007 Enterprise Edition, designed for large enterprise corporations, enables creation of multiple storage groups and databases.

Exchange Server 2007 Edition Offerings
Feature	Standard Edition	Enterprise Edition
Storage Group Support	5 storage groups	50 storage groups
Database Support	5 databases	50 databases
Database Storage Limit	16 TB per database	16 TB per database
Single Copy Clusters	Not supported	Supported
Local Continuous Replication	Supported	Supported
Cluster Continuous Replication	Not supported	Supported