Sorry but I don't know where is Exchange 2010 update forum. On 11/13/2012 Microsoft released Rollup 5 for Exchange Server 2010 SP2 After you install this Rollup 5 you will update Exchange Server 2010 SP2 version number to 14.2.328.5 more information: Exchange Server 2010 Service Pack 2 Rollup 5 (KB2719800) you can download update from Update Rollup 5 for Exchange Server 2010 Service Pack 2 (KB2719800) Remigiusz ExchangeBlog