Exchange Team has released Update Rollup 11 for Exchange Server 2010 Service Pack 3.
From the Microsoft Exchange Team blog:
This release provides an important fix for an Information Store crash when customers are upgrading their Lync server infrastructure to Skype for Business.
Exchange Server 2010 Service Pack 3 Update Rollup 11, is the minimum version of Exchange Server 2010 which will be supported in a coexistence deployment with Exchange Server 2016.
Update Rollup 11 can be downloaded here.