KB3137779 - FIX: Assertion failure on secondary replica when you use AlwaysOn Availability Groups in SQL Server 2014

Symptoms

When you use the AlwaysOn Availability Groups feature in Microsoft SQL Server 2014, an assertion failure occurs on the secondary replica. Also, a dump file is generated in the SQL Server error log. The top of the dump report resembles the following:

* BEGIN STACK DUMP:

* <Date> <Time> spid <ID>

*

* Location: IAMPageRangeCache.cpp:515

* Expression: !m_needRefresh

Resolution

Cumulative update information

The issue was first fixed in the following cumulative update of SQL Server 2014:

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. We recommend that you download and install the latest cumulative updates for SQL Server 2014:



Status

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

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