Today 02/12/2013 Microsoft released Rollup 10 for Exchange Server 2007 SP3
After you install this Rollup 10 you will update Exchange Server 2007 SP3 version number to 8.3.298.3
This update resolves issues that were found in Exchange Server 2007 Service Pack 3 since the software was released.
This is a cumulative rollup as always so you don’t need to install previous versions.
Rollup 10 for Exchange Server 2007 SP3 is available here:
List of all build numbers of Microsoft Exchange Server you can find here:
As always we recommend do not install new Rollups in production environment, you should test it first in LAB.
For a list of changes that are included in this update rollup, see: