Exchange Server 5.5 Service Pack 4 Overview
This service pack addresses server issues that were previously available as Microsoft Quick Fix Engineering (QFE) updates. Service Pack 4 (SP4) is a cumulative release that contains all of the updates for Exchange Server 5.5 to date, including the feature enhancements and utilities from Service Pack 3 (SP3). We recommend installing the service pack on all servers running Exchange Server 5.5.
Note: If you are using Microsoft Internet Explorer 3.02 or earlier, phone (800) 360-7561 to order your SP4 CD Kit.
For a complete list of issues addressed in SP4, see the following articles in the Microsoft Knowledge Base:
If you would like an exhaustive list of what was new in SP4, see the Readme.htm file included in the SP4 download.
For More Information
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