Exchange 2010 SP2 Update Rollup 5 version 2
Exchange Team released v2 of Update Rollup 5 for Exchange Server 2010 Service Pack 2 (KB2785908). The issue with get-DatabaseAvailabilityGroup cmdlet after applying Rollup 5 v1 over rollup 4 v2,
Exchange 2010 SP1 Update Rollup 8
A New rollup for Exchange 2010 SP1 has been relased: Update Rollup 8 for Exchange Server 2010 Service Pack 1 (KB2787763)http://www.microsoft.com/en-us/download/details.aspx?id=36031 This rollup addresses the vulnerabilities in Microsoft Security