Update Rollup 13 for Exchange 2010 Service Pack 3 is now available for direct download. It includes 2 new fixes or improvements and all previously released fixes and security updates for Exchange 2010 SP3. Note that mainstream support for Exchange 2010 has already ended.
- Added support for the new Office 365 Hybrid Configuration wizard (HCW).
- Updated S/MIME Control for Outlook Web Access. Users who have installed the earlier version of the control must update it via OWA.
View: Description of Update Rollup 13 for Exchange Server 2010 Service Pack 3
Download: Update Rollup 13 For Exchange 2010 SP3 (KB3141339)