KB5852300 - FIX: SQL Server 2014 or 2016 crashes on the execution of the DBCC CLONEDATABASE command

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When you run the DBCC CLONEDATABASE command on an instance of Microsoft SQL Server 2014 or 2016, SQL Server may crash. Additionally, an error message that resembles the following is logged in the SQL Server error log.

Error: 615, Severity: 21, State: 1.

Could not find database ID DatabaseID, name <DatabaseName>. The database may be offline. Wait a few minutes and try again.

ex_terminator: Possible termination due to exception during stack unwinding.

Using 'dbghelp.dll' version '4.0.5'


This issue is fixed in the following cumulative updates for SQL Server:

Cumulative Update 2 for SQL Server 2016 SP1

Cumulative Update 5 for SQL Server 2014 SP2

Each new cumulative update for SQL Server contains all the hotfixes and all the security fixes that were included with the previous cumulative update. Check out the latest cumulative updates for SQL Server:

Latest cumulative update for SQL Server 2016

Latest cumulative update for SQL Server 2014



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


Learn about the terminologythat Microsoft uses to describe software updates.

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