Microsoft KB Archive/225409

= SBS: Microsoft Exchange Licensing in Small Business Server 4.5 =

Article ID: 225409

Article Last Modified on 11/1/2006

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APPLIES TO


 * Microsoft BackOffice Small Business Server 4.5

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This article was previously published under Q225409



SUMMARY
BackOffice Small Business Server (SBS) version 4.5 includes Microsoft Exchange version 5.5 instead of Exchange version 5.0. The licensing in Exchange 5.5 is different from Exchange 5.0.



MORE INFORMATION
With Exchange 5.5, each computer must have a Client license to use the Exchange server. If a user wants to open his or her mailbox from multiple computers, a Client license is required for each workstation that will use the mailbox.

This differs from Exchange 5.0, in which only one Client license is required to use the mailbox.

Additional query words: smallbiz

Keywords: kbenv kbinfo KB225409

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