We would like to specifically call out the following fixes which are included in this release: Note: Some of the following KB articles may not be available at the time of publishing this post. See KB2655203: Description of Update Rollup 7 for Exchange Server 2007 Service Pack 3 for more details.
This update contains a number of customer-reported and internally found issues since the release of SP3 RU6. Microsoft has released Update Rollup 7 for Exchange Server 2007 SP3
