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Aaron Bertrand

Aaron is a Product Evangelist for SentryOne, makers of Plan Explorer and a performance monitoring and event management platform for the Microsoft Data Platform and VMware. He has been blogging here at since 2006, focusing on manageability, performance, and new features, and also blogs at and; has been a Microsoft MVP since 1997; tweets as @AaronBertrand; and speaks frequently at major conferences, user group meetings, and SQL Saturday events worldwide.

On-Demand Hotfix for Availability Groups in SQL Server 2014

Last week, Microsoft released an on-demand hotfix for SQL Server 2014, which you shgould consider installing if you are using Availability Groups and any of the relevant databases use CLR user-defined types (UDTs). The symptom is described in KB #3042370, and you should get enough info just from the title to convince you to apply it:

The actual hotfix has to be downloaded from a different KB article, KB #3043788. The hotfix will bring SQL Server to version 12.0.2485. As always, please regression test any updates before applying them in production.

For more broad advice about hotfixes and cumulative updates for SQL Server 2014, see this blog post.

Published Wednesday, March 25, 2015 5:24 PM by AaronBertrand


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