The Update Rollup 3 for Exchange Server 2007 SP2 (KB979784) has been released to the download center. The release of the rollup via Microsoft Update will happen on March 23rd (Us Pacific Time). KB article 979784 lists all fixes included in this rollup.
Update Rollup 3 for Exchange Server 2007 Service Pack 2 (SP2) resolves issues that were found in Exchange Server 2007 SP2 since the software was released. This update rollup is highly recommended for all Exchange Server 2007 SP2 customers.
For a list of changes that are included in this update rollup, see KB979784.
This update rollup does not apply to Exchange Server 2007 Release To Manufacturing (RTM) or Exchange Server 2007 Service Pack 1 (SP1). For a list of update rollups applicable to Exchange Server 2007 RTM or Exchange Server 2007 SP1, refer to the Knowledge Base article KB937052. This is a cumulative update rollup and replaces the following: