KB 982928 The Msftesql.exe process continues using memory on an Exchange Server 2007 server
KB 983296 Exchange ActiveSync crashes on an Exchange Server 2007 server causing the client synchronization to be unavailable
For a full list of the fixes included in this rollup, see KB 2279665 Description of Update Rollup 1 for Exchange Server 2007 Service Pack 3.
Note for Forefront Protection for Exchange users
For those of you running Forefront Protection for Exchange, be sure you perform these important steps from the command line in the Forefront directory before and after installing this rollup. Without these steps, the Information Store and Transport services will not start.
Before installing the rollup, disable ForeFront by using the "fscutility /disable" command
After rollup installation completes, re-enable ForeFront by running the "fscutility /enable" command