Microsoft released Update Rollup 9 for Exchange Server 2007 Service Pack 1 (KB 970162) to the download center. The release of the rollup via Microsoft Update will happen on July 28. The majority of changes in this rollup are bug fixes, KB970162. The Exchange Server 2007 Service Pack 2 (SP2) release is just around the corner (slated for release in this quarter), that’ll include all fixes in this Update rollup as well as the fixes contained in all prior rollups. You can contact Exchange Software Updates forum, if you encounter issues when deploying this rollup and more information about bux fixes.